/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_spec1_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:41:21,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:41:21,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:41:21,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:41:21,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:41:21,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:41:21,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:41:21,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:41:21,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:41:21,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:41:21,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:41:21,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:41:21,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:41:21,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:41:21,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:41:21,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:41:21,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:41:21,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:41:21,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:41:21,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:41:21,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:41:21,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:41:21,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:41:21,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:41:21,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:41:21,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:41:21,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:41:21,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:41:21,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:41:21,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:41:21,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:41:21,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:41:21,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:41:21,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:41:21,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:41:21,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:41:21,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:41:21,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:41:21,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:41:21,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:41:21,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:41:21,133 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 15:41:21,180 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:41:21,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:41:21,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:41:21,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:41:21,183 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:41:21,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:41:21,184 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:41:21,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:41:21,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:41:21,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:41:21,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:41:21,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:41:21,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:41:21,187 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:41:21,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:41:21,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:41:21,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:41:21,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:41:21,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:41:21,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:41:21,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:41:21,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:41:21,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:41:21,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:41:21,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:41:21,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:41:21,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:41:21,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:41:21,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:41:21,190 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 15:41:21,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:41:21,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:41:21,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:41:21,660 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:41:21,660 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:41:21,661 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-09-24 15:41:21,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ae7d69ea/75b8055f5b3e406b96ef3ae9a62c8730/FLAGacc95cb0b [2020-09-24 15:41:22,408 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:41:22,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-09-24 15:41:22,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ae7d69ea/75b8055f5b3e406b96ef3ae9a62c8730/FLAGacc95cb0b [2020-09-24 15:41:22,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ae7d69ea/75b8055f5b3e406b96ef3ae9a62c8730 [2020-09-24 15:41:22,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:41:22,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:41:22,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:22,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:41:22,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:41:22,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:22" (1/1) ... [2020-09-24 15:41:22,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f5b696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:22, skipping insertion in model container [2020-09-24 15:41:22,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:22" (1/1) ... [2020-09-24 15:41:22,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:41:22,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:41:23,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:23,223 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:41:23,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:23,367 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:41:23,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23 WrapperNode [2020-09-24 15:41:23,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:23,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:41:23,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:41:23,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:41:23,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (1/1) ... [2020-09-24 15:41:23,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (1/1) ... [2020-09-24 15:41:23,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (1/1) ... [2020-09-24 15:41:23,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (1/1) ... [2020-09-24 15:41:23,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (1/1) ... [2020-09-24 15:41:23,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (1/1) ... [2020-09-24 15:41:23,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (1/1) ... [2020-09-24 15:41:23,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:41:23,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:41:23,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:41:23,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:41:23,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (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 15:41:23,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:41:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:41:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:41:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:41:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:41:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:41:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:41:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:41:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:41:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:41:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:41:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:41:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:41:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:41:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:41:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:41:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:41:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:41:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:41:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:41:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:41:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:41:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:41:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:41:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:41:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:41:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:41:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:41:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:41:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:41:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:41:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:41:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:41:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:41:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:41:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:41:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:41:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:41:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:41:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:41:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:41:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:41:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:41:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:41:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:41:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:41:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:41:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:41:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:41:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:41:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:41:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:41:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:41:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:41:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:41:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:41:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:41:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:41:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:41:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:41:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:41:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:41:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:41:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:41:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:41:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:41:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:41:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:41:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:41:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:41:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:41:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:41:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:41:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:41:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:41:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:41:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:41:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:41:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:41:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:41:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:41:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:41:24,739 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:41:24,740 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:41:24,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:24 BoogieIcfgContainer [2020-09-24 15:41:24,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:41:24,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:41:24,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:41:24,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:41:24,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:41:22" (1/3) ... [2020-09-24 15:41:24,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aadc3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:24, skipping insertion in model container [2020-09-24 15:41:24,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:23" (2/3) ... [2020-09-24 15:41:24,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aadc3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:24, skipping insertion in model container [2020-09-24 15:41:24,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:24" (3/3) ... [2020-09-24 15:41:24,756 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2020-09-24 15:41:24,765 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:41:24,775 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:41:24,796 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:41:24,833 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:41:24,834 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:41:24,834 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:41:24,834 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:41:24,834 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:41:24,834 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:41:24,834 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:41:24,835 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:41:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2020-09-24 15:41:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:41:24,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:24,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:24,883 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:24,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:24,890 INFO L82 PathProgramCache]: Analyzing trace with hash -2111431698, now seen corresponding path program 1 times [2020-09-24 15:41:24,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:24,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720793503] [2020-09-24 15:41:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:25,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:25,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:25,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:25,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:25,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:41:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:41:25,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:41:25,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:25,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:25,899 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:25,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:25,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:25,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:25,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:25,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:25,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:41:25,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:25,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:25,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:26,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:26,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:26,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:26,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:26,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:26,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:26,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:41:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:26,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:26,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720793503] [2020-09-24 15:41:26,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:26,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:41:26,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248867188] [2020-09-24 15:41:26,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:41:26,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:26,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:41:26,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:26,196 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 3 states. [2020-09-24 15:41:27,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:27,574 INFO L93 Difference]: Finished difference Result 464 states and 551 transitions. [2020-09-24 15:41:27,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:41:27,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:41:27,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:27,597 INFO L225 Difference]: With dead ends: 464 [2020-09-24 15:41:27,598 INFO L226 Difference]: Without dead ends: 290 [2020-09-24 15:41:27,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:27,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-09-24 15:41:27,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 248. [2020-09-24 15:41:27,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-09-24 15:41:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 268 transitions. [2020-09-24 15:41:27,708 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 268 transitions. Word has length 142 [2020-09-24 15:41:27,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:27,709 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 268 transitions. [2020-09-24 15:41:27,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:41:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 268 transitions. [2020-09-24 15:41:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:41:27,715 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:27,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:27,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:41:27,715 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:27,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:27,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1885599248, now seen corresponding path program 1 times [2020-09-24 15:41:27,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:27,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544980274] [2020-09-24 15:41:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:27,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:27,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:27,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:27,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:27,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:41:27,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:41:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:41:27,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,119 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:28,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:28,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:28,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:28,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:28,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:41:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:28,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:28,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:28,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544980274] [2020-09-24 15:41:28,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:28,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:41:28,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130304305] [2020-09-24 15:41:28,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:41:28,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:28,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:41:28,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:41:28,297 INFO L87 Difference]: Start difference. First operand 248 states and 268 transitions. Second operand 4 states. [2020-09-24 15:41:28,977 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:29,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:29,875 INFO L93 Difference]: Finished difference Result 377 states and 422 transitions. [2020-09-24 15:41:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:29,876 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:41:29,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:29,881 INFO L225 Difference]: With dead ends: 377 [2020-09-24 15:41:29,881 INFO L226 Difference]: Without dead ends: 273 [2020-09-24 15:41:29,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:29,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-24 15:41:29,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 238. [2020-09-24 15:41:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-09-24 15:41:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 255 transitions. [2020-09-24 15:41:29,935 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 255 transitions. Word has length 143 [2020-09-24 15:41:29,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:29,936 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 255 transitions. [2020-09-24 15:41:29,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 255 transitions. [2020-09-24 15:41:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:41:29,940 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:29,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:29,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:41:29,941 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:29,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:29,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2133556188, now seen corresponding path program 1 times [2020-09-24 15:41:29,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:29,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293130661] [2020-09-24 15:41:29,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:30,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:41:30,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:41:30,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:41:30,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:30,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:41:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:30,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,371 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:30,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:30,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:30,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:30,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:30,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:30,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:30,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:30,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:41:30,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:41:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:30,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:41:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:30,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:30,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293130661] [2020-09-24 15:41:30,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:30,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:41:30,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434526805] [2020-09-24 15:41:30,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:41:30,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:30,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:41:30,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:30,500 INFO L87 Difference]: Start difference. First operand 238 states and 255 transitions. Second operand 5 states. [2020-09-24 15:41:31,208 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:32,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:32,449 INFO L93 Difference]: Finished difference Result 423 states and 484 transitions. [2020-09-24 15:41:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:41:32,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:41:32,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:32,454 INFO L225 Difference]: With dead ends: 423 [2020-09-24 15:41:32,454 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 15:41:32,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:41:32,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 15:41:32,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 238. [2020-09-24 15:41:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-09-24 15:41:32,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 254 transitions. [2020-09-24 15:41:32,530 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 254 transitions. Word has length 156 [2020-09-24 15:41:32,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:32,534 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 254 transitions. [2020-09-24 15:41:32,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:41:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 254 transitions. [2020-09-24 15:41:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-09-24 15:41:32,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:32,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:32,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:41:32,547 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:32,547 INFO L82 PathProgramCache]: Analyzing trace with hash -874630023, now seen corresponding path program 1 times [2020-09-24 15:41:32,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:32,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898349352] [2020-09-24 15:41:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:32,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:32,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:32,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:32,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:32,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:41:32,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:32,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:41:32,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:41:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:41:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 15:41:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:33,072 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:33,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:33,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:41:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:33,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:33,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:33,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:33,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:33,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:33,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:33,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:33,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:33,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:41:33,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:33,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:41:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:41:33,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:33,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:33,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:41:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:33,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:33,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 15:41:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:33,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:33,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:33,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898349352] [2020-09-24 15:41:33,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:33,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:41:33,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924147044] [2020-09-24 15:41:33,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:41:33,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:33,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:41:33,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:41:33,282 INFO L87 Difference]: Start difference. First operand 238 states and 254 transitions. Second operand 7 states. [2020-09-24 15:41:33,843 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:35,377 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:36,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:36,348 INFO L93 Difference]: Finished difference Result 594 states and 701 transitions. [2020-09-24 15:41:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:41:36,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-09-24 15:41:36,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:36,354 INFO L225 Difference]: With dead ends: 594 [2020-09-24 15:41:36,355 INFO L226 Difference]: Without dead ends: 466 [2020-09-24 15:41:36,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:41:36,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-24 15:41:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 339. [2020-09-24 15:41:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-09-24 15:41:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 365 transitions. [2020-09-24 15:41:36,436 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 365 transitions. Word has length 164 [2020-09-24 15:41:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:36,437 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 365 transitions. [2020-09-24 15:41:36,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:41:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 365 transitions. [2020-09-24 15:41:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-24 15:41:36,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:36,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:36,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:41:36,440 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:36,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1983899201, now seen corresponding path program 1 times [2020-09-24 15:41:36,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:36,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283982309] [2020-09-24 15:41:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:36,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-24 15:41:36,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-24 15:41:36,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-09-24 15:41:36,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:41:36,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-24 15:41:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:36,835 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:36,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:36,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:36,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:36,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:36,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:36,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:36,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:36,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:36,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:36,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:36,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:36,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:36,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:36,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:36,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:36,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:36,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:36,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:36,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:36,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:36,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:36,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:36,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:36,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:41:36,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:36,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:41:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:36,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:36,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:36,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:36,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:36,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:36,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:36,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:41:36,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:41:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:36,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:37,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:37,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:37,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:41:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:41:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:37,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:37,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 15:41:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:37,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:37,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:37,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283982309] [2020-09-24 15:41:37,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:37,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:41:37,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511731826] [2020-09-24 15:41:37,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:41:37,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:37,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:41:37,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:41:37,161 INFO L87 Difference]: Start difference. First operand 339 states and 365 transitions. Second operand 9 states. [2020-09-24 15:41:38,470 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:38,747 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:39,065 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:39,395 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:39,690 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:40,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:40,880 INFO L93 Difference]: Finished difference Result 700 states and 824 transitions. [2020-09-24 15:41:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:41:40,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 188 [2020-09-24 15:41:40,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:40,886 INFO L225 Difference]: With dead ends: 700 [2020-09-24 15:41:40,887 INFO L226 Difference]: Without dead ends: 471 [2020-09-24 15:41:40,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:41:40,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-09-24 15:41:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 345. [2020-09-24 15:41:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-09-24 15:41:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 371 transitions. [2020-09-24 15:41:40,969 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 371 transitions. Word has length 188 [2020-09-24 15:41:40,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:40,970 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 371 transitions. [2020-09-24 15:41:40,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:41:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 371 transitions. [2020-09-24 15:41:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-24 15:41:40,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:40,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:40,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:41:40,976 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:40,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:40,976 INFO L82 PathProgramCache]: Analyzing trace with hash 694378847, now seen corresponding path program 1 times [2020-09-24 15:41:40,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:40,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195895766] [2020-09-24 15:41:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-09-24 15:41:41,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:41:41,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:41:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:41:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-24 15:41:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,482 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:41,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:41,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:41:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:41,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:41,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:41,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:41,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:41,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:41:41,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:41,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:41,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:41,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:41,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:41,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:41,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:41,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:41,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:41,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:41,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:41:41,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:41,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 15:41:41,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:41,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:41,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:41,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:41,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:41,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:41,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:41,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:41,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:41:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:41,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:41:41,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:41,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 15:41:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:41,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:41,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:41,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:41,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:41,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:41,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:41,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:41,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:41,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:41,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:41,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195895766] [2020-09-24 15:41:41,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:41,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:41:41,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169529157] [2020-09-24 15:41:41,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:41:41,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:41,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:41:41,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:41:41,909 INFO L87 Difference]: Start difference. First operand 345 states and 371 transitions. Second operand 10 states. [2020-09-24 15:41:42,510 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:43,957 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:44,323 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:41:44,677 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:44,996 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:45,708 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:46,064 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:41:46,389 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:46,785 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:47,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:47,974 INFO L93 Difference]: Finished difference Result 1004 states and 1212 transitions. [2020-09-24 15:41:47,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:41:47,975 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2020-09-24 15:41:47,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:47,982 INFO L225 Difference]: With dead ends: 1004 [2020-09-24 15:41:47,982 INFO L226 Difference]: Without dead ends: 769 [2020-09-24 15:41:47,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:41:47,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-09-24 15:41:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 543. [2020-09-24 15:41:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-09-24 15:41:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 590 transitions. [2020-09-24 15:41:48,104 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 590 transitions. Word has length 188 [2020-09-24 15:41:48,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:48,105 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 590 transitions. [2020-09-24 15:41:48,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:41:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 590 transitions. [2020-09-24 15:41:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:41:48,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:48,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:48,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:41:48,110 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:48,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:48,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1001952340, now seen corresponding path program 1 times [2020-09-24 15:41:48,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:48,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443559677] [2020-09-24 15:41:48,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-24 15:41:48,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:41:48,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:41:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:41:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-24 15:41:48,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,568 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:48,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:48,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:48,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:41:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:48,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:48,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:48,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:48,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:48,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:48,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:48,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:48,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:48,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:41:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:48,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:48,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:41:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:41:48,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:48,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:41:48,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:48,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:48,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:41:48,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:48,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:48,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:48,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:41:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:48,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:48,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:41:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:48,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:48,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:48,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:48,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443559677] [2020-09-24 15:41:48,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:48,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:41:48,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976510768] [2020-09-24 15:41:48,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:41:48,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:48,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:41:48,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:41:48,910 INFO L87 Difference]: Start difference. First operand 543 states and 590 transitions. Second operand 11 states. [2020-09-24 15:41:49,464 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:51,146 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:51,480 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:51,895 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:53,196 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:53,596 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:41:53,917 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:54,228 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:54,533 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:55,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:55,068 INFO L93 Difference]: Finished difference Result 904 states and 1117 transitions. [2020-09-24 15:41:55,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:41:55,069 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 193 [2020-09-24 15:41:55,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:55,075 INFO L225 Difference]: With dead ends: 904 [2020-09-24 15:41:55,075 INFO L226 Difference]: Without dead ends: 901 [2020-09-24 15:41:55,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:41:55,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-09-24 15:41:55,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 543. [2020-09-24 15:41:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-09-24 15:41:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 589 transitions. [2020-09-24 15:41:55,157 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 589 transitions. Word has length 193 [2020-09-24 15:41:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:55,157 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 589 transitions. [2020-09-24 15:41:55,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:41:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 589 transitions. [2020-09-24 15:41:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 15:41:55,162 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:55,163 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:55,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:41:55,163 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:55,163 INFO L82 PathProgramCache]: Analyzing trace with hash 280021704, now seen corresponding path program 1 times [2020-09-24 15:41:55,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:55,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462837236] [2020-09-24 15:41:55,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-24 15:41:55,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:41:55,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-24 15:41:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:55,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,519 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:55,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:55,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:55,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:55,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:55,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:55,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:55,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:41:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:55,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:55,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:41:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:41:55,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:55,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:41:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:55,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:55,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:41:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:55,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:41:55,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:41:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:41:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:41:55,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:41:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:55,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:41:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:55,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:41:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:55,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:55,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:41:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:55,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:55,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,822 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 15:41:55,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462837236] [2020-09-24 15:41:55,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:55,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:41:55,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402560308] [2020-09-24 15:41:55,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:41:55,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:55,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:41:55,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:41:55,827 INFO L87 Difference]: Start difference. First operand 543 states and 589 transitions. Second operand 11 states. [2020-09-24 15:41:57,138 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:57,437 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:57,743 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:41:58,040 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:58,346 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:58,638 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:00,140 INFO L93 Difference]: Finished difference Result 1348 states and 1650 transitions. [2020-09-24 15:42:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:42:00,140 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-09-24 15:42:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:00,147 INFO L225 Difference]: With dead ends: 1348 [2020-09-24 15:42:00,147 INFO L226 Difference]: Without dead ends: 915 [2020-09-24 15:42:00,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:42:00,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-09-24 15:42:00,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 559. [2020-09-24 15:42:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-09-24 15:42:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 605 transitions. [2020-09-24 15:42:00,238 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 605 transitions. Word has length 216 [2020-09-24 15:42:00,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:00,239 INFO L479 AbstractCegarLoop]: Abstraction has 559 states and 605 transitions. [2020-09-24 15:42:00,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:42:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 605 transitions. [2020-09-24 15:42:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 15:42:00,243 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:00,243 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:00,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:42:00,243 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:00,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:00,244 INFO L82 PathProgramCache]: Analyzing trace with hash -801927029, now seen corresponding path program 1 times [2020-09-24 15:42:00,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:00,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66885356] [2020-09-24 15:42:00,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-24 15:42:00,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:42:00,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:42:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 15:42:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,700 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:00,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:00,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:00,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:42:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:00,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:00,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:00,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:00,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:00,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:00,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:00,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:00,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:42:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:00,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:42:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:00,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:42:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:42:00,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:00,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:00,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:00,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:00,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:00,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:42:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:01,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:01,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:01,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:01,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:01,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:01,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:01,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:01,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:42:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:01,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:42:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:01,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:01,136 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 15:42:01,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66885356] [2020-09-24 15:42:01,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:01,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:42:01,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886460984] [2020-09-24 15:42:01,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:42:01,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:01,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:42:01,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:42:01,139 INFO L87 Difference]: Start difference. First operand 559 states and 605 transitions. Second operand 8 states. [2020-09-24 15:42:01,812 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:02,409 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:05,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:05,735 INFO L93 Difference]: Finished difference Result 2007 states and 2519 transitions. [2020-09-24 15:42:05,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:42:05,736 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-09-24 15:42:05,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:05,745 INFO L225 Difference]: With dead ends: 2007 [2020-09-24 15:42:05,745 INFO L226 Difference]: Without dead ends: 1558 [2020-09-24 15:42:05,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:42:05,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2020-09-24 15:42:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 981. [2020-09-24 15:42:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2020-09-24 15:42:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1093 transitions. [2020-09-24 15:42:05,882 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1093 transitions. Word has length 216 [2020-09-24 15:42:05,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:05,883 INFO L479 AbstractCegarLoop]: Abstraction has 981 states and 1093 transitions. [2020-09-24 15:42:05,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:42:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1093 transitions. [2020-09-24 15:42:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 15:42:05,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:05,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:05,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:42:05,886 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:05,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1521198117, now seen corresponding path program 1 times [2020-09-24 15:42:05,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:05,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217714628] [2020-09-24 15:42:05,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:05,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -46 [2020-09-24 15:42:05,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 46 [2020-09-24 15:42:05,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 15:42:05,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:42:05,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 15:42:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:42:05,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,240 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:06,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:06,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:06,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:06,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:06,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:06,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:06,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:42:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:42:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:06,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:42:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:06,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:42:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:06,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:42:06,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 15:42:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:42:06,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:06,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:06,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:06,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:42:06,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:06,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:42:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:06,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:42:06,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:42:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:42:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:06,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:06,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:06,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:06,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:06,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:06,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:42:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:06,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:06,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:42:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:06,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:06,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:06,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:06,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:06,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:06,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:06,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:06,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:06,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:42:06,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217714628] [2020-09-24 15:42:06,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:42:06,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:42:06,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596744253] [2020-09-24 15:42:06,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:42:06,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:06,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:42:06,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:42:06,648 INFO L87 Difference]: Start difference. First operand 981 states and 1093 transitions. Second operand 16 states. [2020-09-24 15:42:07,187 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:08,292 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:09,720 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:10,058 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:10,467 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:10,782 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:11,087 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:11,393 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:11,691 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:12,021 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:12,360 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:12,715 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:13,034 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:13,393 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:13,706 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:14,046 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:14,358 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:14,765 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:15,256 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190