/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_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:50:56,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:50:56,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:50:56,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:50:56,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:50:56,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:50:56,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:50:56,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:50:56,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:50:56,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:50:56,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:50:56,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:50:56,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:50:56,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:50:56,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:50:56,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:50:56,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:50:56,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:50:56,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:50:56,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:50:56,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:50:56,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:50:56,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:50:56,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:50:56,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:50:56,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:50:56,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:50:56,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:50:56,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:50:56,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:50:56,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:50:56,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:50:56,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:50:56,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:50:56,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:50:56,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:50:56,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:50:56,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:50:56,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:50:56,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:50:56,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:50:56,767 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 15:50:56,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:50:56,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:50:56,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:50:56,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:50:56,831 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:50:56,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:50:56,832 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:50:56,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:50:56,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:50:56,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:50:56,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:50:56,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:50:56,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:50:56,833 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:50:56,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:50:56,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:50:56,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:50:56,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:50:56,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:50:56,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:50:56,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:50:56,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:50:56,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:50:56,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:50:56,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:50:56,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:50:56,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:50:56,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:50:56,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:50:56,836 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 15:50:57,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:50:57,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:50:57,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:50:57,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:50:57,336 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:50:57,338 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-09-24 15:50:57,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53be338b9/d75b970641b84adeab069f93667b1cd6/FLAG2756d5a16 [2020-09-24 15:50:57,982 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:50:57,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-09-24 15:50:57,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53be338b9/d75b970641b84adeab069f93667b1cd6/FLAG2756d5a16 [2020-09-24 15:50:58,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53be338b9/d75b970641b84adeab069f93667b1cd6 [2020-09-24 15:50:58,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:50:58,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:50:58,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:58,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:50:58,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:50:58,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:58" (1/1) ... [2020-09-24 15:50:58,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec871e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:58, skipping insertion in model container [2020-09-24 15:50:58,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:58" (1/1) ... [2020-09-24 15:50:58,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:50:58,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:50:58,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:58,925 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:50:59,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:59,062 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:50:59,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59 WrapperNode [2020-09-24 15:50:59,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:59,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:50:59,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:50:59,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:50:59,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (1/1) ... [2020-09-24 15:50:59,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (1/1) ... [2020-09-24 15:50:59,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (1/1) ... [2020-09-24 15:50:59,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (1/1) ... [2020-09-24 15:50:59,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (1/1) ... [2020-09-24 15:50:59,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (1/1) ... [2020-09-24 15:50:59,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (1/1) ... [2020-09-24 15:50:59,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:50:59,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:50:59,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:50:59,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:50:59,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (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 15:50:59,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:50:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:50:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:59,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:50:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:50:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:50:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:50:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:50:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:50:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:50:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:50:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:50:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:50:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:50:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:50:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:50:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:50:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:50:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:50:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:50:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:50:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:50:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:50:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:50:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:50:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:50:59,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:50:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:50:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:50:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:50:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:50:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:50:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:50:59,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:50:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:50:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:50:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:50:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:50:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:50:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:50:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:50:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:50:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:50:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:50:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:50:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:50:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:50:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:50:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:50:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:50:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:50:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:50:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:50:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:50:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:50:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:50:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:50:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:50:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:50:59,300 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:50:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:50:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:50:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:50:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:50:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:50:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:50:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:50:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:50:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:50:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:50:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:50:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:50:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:50:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:50:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:50:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:50:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:50:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:50:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:50:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:50:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:50:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:50:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:50:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:50:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:50:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:51:00,581 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:51:00,581 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:51:00,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:00 BoogieIcfgContainer [2020-09-24 15:51:00,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:51:00,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:51:00,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:51:00,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:51:00,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:50:58" (1/3) ... [2020-09-24 15:51:00,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507a7f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:00, skipping insertion in model container [2020-09-24 15:51:00,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:59" (2/3) ... [2020-09-24 15:51:00,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507a7f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:00, skipping insertion in model container [2020-09-24 15:51:00,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:00" (3/3) ... [2020-09-24 15:51:00,610 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2020-09-24 15:51:00,623 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:51:00,638 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:51:00,664 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:51:00,713 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:51:00,713 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:51:00,714 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:51:00,714 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:51:00,715 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:51:00,715 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:51:00,715 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:51:00,715 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:51:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-09-24 15:51:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:51:00,800 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:00,801 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 15:51:00,804 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:00,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:00,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1259360700, now seen corresponding path program 1 times [2020-09-24 15:51:00,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:00,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623772873] [2020-09-24 15:51:00,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:01,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:01,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:01,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:01,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:51:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:51:01,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:51:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 15:51:01,704 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:01,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:01,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:01,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:01,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:01,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:01,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:01,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:01,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:01,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:01,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:01,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:51:01,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:01,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:01,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:01,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:01,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:01,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:01,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:01,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:01,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:01,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:01,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:01,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:01,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:01,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:01,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:01,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:01,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:01,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:01,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:01,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:01,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:01,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:01,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:01,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:51:01,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:01,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:01,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:01,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:01,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:01,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:01,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:01,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:01,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:01,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:01,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:01,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:01,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:51:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:02,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:51:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:02,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:02,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:02,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:02,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:02,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:02,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:02,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:02,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:02,039 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 15:51:02,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623772873] [2020-09-24 15:51:02,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:02,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:51:02,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706975810] [2020-09-24 15:51:02,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:51:02,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:02,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:51:02,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:51:02,071 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 3 states. [2020-09-24 15:51:03,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:03,643 INFO L93 Difference]: Finished difference Result 544 states and 638 transitions. [2020-09-24 15:51:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:51:03,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:51:03,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:03,684 INFO L225 Difference]: With dead ends: 544 [2020-09-24 15:51:03,684 INFO L226 Difference]: Without dead ends: 331 [2020-09-24 15:51:03,696 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 15:51:03,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-24 15:51:03,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 287. [2020-09-24 15:51:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-09-24 15:51:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 310 transitions. [2020-09-24 15:51:03,811 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 310 transitions. Word has length 142 [2020-09-24 15:51:03,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:03,812 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 310 transitions. [2020-09-24 15:51:03,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:51:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 310 transitions. [2020-09-24 15:51:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:51:03,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:03,817 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 15:51:03,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:51:03,818 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:03,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:03,818 INFO L82 PathProgramCache]: Analyzing trace with hash -167797662, now seen corresponding path program 1 times [2020-09-24 15:51:03,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:03,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392335831] [2020-09-24 15:51:03,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:03,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:03,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:03,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:03,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:03,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:51:03,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:51:03,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:51:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:03,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:04,342 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:04,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:04,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:04,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:04,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:04,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:04,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:04,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:04,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:04,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:04,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:04,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:04,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:04,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:04,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:04,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:04,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:04,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:04,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:04,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:04,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:04,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:04,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:04,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:04,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:04,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:04,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:04,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:04,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:04,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:04,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:04,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:04,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:04,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:04,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:04,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:04,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:04,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:04,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:04,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:04,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:04,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:04,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:04,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:04,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:51:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:04,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:04,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:04,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:04,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:04,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:04,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:04,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:04,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:04,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:04,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:04,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:04,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:04,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:04,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:04,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:04,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:04,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:04,478 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 15:51:04,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392335831] [2020-09-24 15:51:04,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:04,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:51:04,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758210280] [2020-09-24 15:51:04,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:51:04,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:04,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:51:04,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:51:04,483 INFO L87 Difference]: Start difference. First operand 287 states and 310 transitions. Second operand 4 states. [2020-09-24 15:51:05,160 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:06,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:06,325 INFO L93 Difference]: Finished difference Result 457 states and 509 transitions. [2020-09-24 15:51:06,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:51:06,326 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:51:06,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:06,333 INFO L225 Difference]: With dead ends: 457 [2020-09-24 15:51:06,333 INFO L226 Difference]: Without dead ends: 314 [2020-09-24 15:51:06,339 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 15:51:06,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-09-24 15:51:06,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 277. [2020-09-24 15:51:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-24 15:51:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 297 transitions. [2020-09-24 15:51:06,385 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 297 transitions. Word has length 143 [2020-09-24 15:51:06,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:06,385 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 297 transitions. [2020-09-24 15:51:06,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:51:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 297 transitions. [2020-09-24 15:51:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:51:06,388 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:06,388 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 15:51:06,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:51:06,389 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1124813631, now seen corresponding path program 1 times [2020-09-24 15:51:06,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:06,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338320430] [2020-09-24 15:51:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:06,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:51:06,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:51:06,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:51:06,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:06,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:51:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,785 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:06,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:06,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:06,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:06,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:51:06,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:51:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:06,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:51:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,954 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 15:51:06,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338320430] [2020-09-24 15:51:06,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:06,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:51:06,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739586850] [2020-09-24 15:51:06,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:51:06,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:06,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:51:06,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:51:06,958 INFO L87 Difference]: Start difference. First operand 277 states and 297 transitions. Second operand 5 states. [2020-09-24 15:51:07,521 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:08,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:08,517 INFO L93 Difference]: Finished difference Result 503 states and 571 transitions. [2020-09-24 15:51:08,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:51:08,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:51:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:08,522 INFO L225 Difference]: With dead ends: 503 [2020-09-24 15:51:08,522 INFO L226 Difference]: Without dead ends: 336 [2020-09-24 15:51:08,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:51:08,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-09-24 15:51:08,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 277. [2020-09-24 15:51:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-24 15:51:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 296 transitions. [2020-09-24 15:51:08,567 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 296 transitions. Word has length 156 [2020-09-24 15:51:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:08,567 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 296 transitions. [2020-09-24 15:51:08,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:51:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 296 transitions. [2020-09-24 15:51:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-24 15:51:08,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:08,570 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] [2020-09-24 15:51:08,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:51:08,571 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:08,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:08,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1772447234, now seen corresponding path program 1 times [2020-09-24 15:51:08,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:08,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825547492] [2020-09-24 15:51:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:08,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:08,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:08,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:08,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:08,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-24 15:51:08,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:08,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:51:08,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:51:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:51:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-24 15:51:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,044 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:09,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:09,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:09,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:09,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:09,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:09,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:09,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:09,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:09,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:09,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:51:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:51:09,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:09,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:09,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:09,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:51:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:51:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:09,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,293 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 15:51:09,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825547492] [2020-09-24 15:51:09,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:09,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:51:09,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530616853] [2020-09-24 15:51:09,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:51:09,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:09,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:51:09,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:51:09,296 INFO L87 Difference]: Start difference. First operand 277 states and 296 transitions. Second operand 7 states. [2020-09-24 15:51:09,875 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:11,678 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:12,681 INFO L93 Difference]: Finished difference Result 683 states and 801 transitions. [2020-09-24 15:51:12,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:51:12,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-24 15:51:12,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:12,686 INFO L225 Difference]: With dead ends: 683 [2020-09-24 15:51:12,686 INFO L226 Difference]: Without dead ends: 516 [2020-09-24 15:51:12,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:12,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-09-24 15:51:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 389. [2020-09-24 15:51:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-24 15:51:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 417 transitions. [2020-09-24 15:51:12,745 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 417 transitions. Word has length 169 [2020-09-24 15:51:12,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:12,746 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 417 transitions. [2020-09-24 15:51:12,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:51:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 417 transitions. [2020-09-24 15:51:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:51:12,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:12,749 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 15:51:12,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:51:12,749 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:12,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:12,750 INFO L82 PathProgramCache]: Analyzing trace with hash 184026520, now seen corresponding path program 1 times [2020-09-24 15:51:12,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:12,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922008146] [2020-09-24 15:51:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:12,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:12,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -71 [2020-09-24 15:51:12,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 71 [2020-09-24 15:51:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-24 15:51:12,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:12,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-24 15:51:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,140 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:13,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:13,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:13,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:13,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:13,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:13,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:13,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:13,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:51:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:51:13,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:13,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:51:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:13,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:51:13,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:13,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:13,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:51:13,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:13,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:51:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:13,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:13,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:13,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:13,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:13,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:51:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:13,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:13,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:13,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:13,440 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 15:51:13,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922008146] [2020-09-24 15:51:13,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:13,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:51:13,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979817944] [2020-09-24 15:51:13,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:51:13,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:13,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:51:13,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:51:13,443 INFO L87 Difference]: Start difference. First operand 389 states and 417 transitions. Second operand 9 states. [2020-09-24 15:51:14,448 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:14,732 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:15,075 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:15,379 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:15,661 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:17,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:17,076 INFO L93 Difference]: Finished difference Result 800 states and 932 transitions. [2020-09-24 15:51:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:51:17,076 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 193 [2020-09-24 15:51:17,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:17,084 INFO L225 Difference]: With dead ends: 800 [2020-09-24 15:51:17,084 INFO L226 Difference]: Without dead ends: 521 [2020-09-24 15:51:17,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:17,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2020-09-24 15:51:17,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 395. [2020-09-24 15:51:17,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-09-24 15:51:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 423 transitions. [2020-09-24 15:51:17,175 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 423 transitions. Word has length 193 [2020-09-24 15:51:17,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:17,176 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 423 transitions. [2020-09-24 15:51:17,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:51:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 423 transitions. [2020-09-24 15:51:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:51:17,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:17,180 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 15:51:17,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:51:17,180 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:17,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:17,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1323820344, now seen corresponding path program 1 times [2020-09-24 15:51:17,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:17,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253498204] [2020-09-24 15:51:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:17,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-24 15:51:17,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 15:51:17,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:51:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:51:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-24 15:51:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,720 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:17,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:17,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:51:17,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:17,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:17,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:17,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:17,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:17,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:51:17,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:51:17,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:17,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:17,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:17,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:17,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:17,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:17,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:17,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:17,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:17,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:17,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:17,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:17,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:17,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:17,967 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 15:51:17,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253498204] [2020-09-24 15:51:17,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:17,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:51:17,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303980105] [2020-09-24 15:51:17,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:51:17,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:17,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:51:17,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:51:17,969 INFO L87 Difference]: Start difference. First operand 395 states and 423 transitions. Second operand 10 states. [2020-09-24 15:51:18,516 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:20,187 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:20,486 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:20,846 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:21,157 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:21,478 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:21,775 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:22,085 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:23,453 INFO L93 Difference]: Finished difference Result 1062 states and 1271 transitions. [2020-09-24 15:51:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:51:23,454 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-09-24 15:51:23,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:23,460 INFO L225 Difference]: With dead ends: 1062 [2020-09-24 15:51:23,460 INFO L226 Difference]: Without dead ends: 777 [2020-09-24 15:51:23,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:51:23,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-24 15:51:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 576. [2020-09-24 15:51:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-24 15:51:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 627 transitions. [2020-09-24 15:51:23,558 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 627 transitions. Word has length 193 [2020-09-24 15:51:23,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:23,558 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 627 transitions. [2020-09-24 15:51:23,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:51:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 627 transitions. [2020-09-24 15:51:23,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 15:51:23,561 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:23,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:23,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:51:23,562 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:23,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:23,562 INFO L82 PathProgramCache]: Analyzing trace with hash 596339949, now seen corresponding path program 1 times [2020-09-24 15:51:23,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:23,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778609296] [2020-09-24 15:51:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-24 15:51:23,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:51:23,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:51:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:51:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-09-24 15:51:23,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,043 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:24,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:24,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:24,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:24,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:24,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:24,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:24,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:24,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:24,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:24,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:24,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:51:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:51:24,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:51:24,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:24,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:24,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:51:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:24,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 15:51:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:24,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:24,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:51:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:24,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:24,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:24,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,324 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 15:51:24,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778609296] [2020-09-24 15:51:24,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:24,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:51:24,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862448842] [2020-09-24 15:51:24,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:51:24,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:24,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:51:24,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:24,331 INFO L87 Difference]: Start difference. First operand 576 states and 627 transitions. Second operand 11 states. [2020-09-24 15:51:24,881 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:26,601 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:26,962 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:27,297 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:27,621 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:27,948 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:28,484 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:28,786 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:29,063 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:30,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:30,741 INFO L93 Difference]: Finished difference Result 786 states and 931 transitions. [2020-09-24 15:51:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:51:30,742 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2020-09-24 15:51:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:30,748 INFO L225 Difference]: With dead ends: 786 [2020-09-24 15:51:30,748 INFO L226 Difference]: Without dead ends: 783 [2020-09-24 15:51:30,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:51:30,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-24 15:51:30,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 579. [2020-09-24 15:51:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-09-24 15:51:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 630 transitions. [2020-09-24 15:51:30,823 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 630 transitions. Word has length 198 [2020-09-24 15:51:30,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:30,824 INFO L479 AbstractCegarLoop]: Abstraction has 579 states and 630 transitions. [2020-09-24 15:51:30,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:51:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 630 transitions. [2020-09-24 15:51:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 15:51:30,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:30,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:30,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:51:30,829 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:30,829 INFO L82 PathProgramCache]: Analyzing trace with hash -323340639, now seen corresponding path program 1 times [2020-09-24 15:51:30,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:30,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808883372] [2020-09-24 15:51:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:30,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:30,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:30,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:30,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:30,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 15:51:30,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:30,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:51:30,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:30,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:51:30,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:51:30,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 15:51:30,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:31,234 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:31,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:31,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:31,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:51:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:31,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:31,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:31,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:31,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:31,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:31,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:31,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:31,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:31,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:31,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:31,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:31,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:31,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:31,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:31,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:31,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:31,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:51:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:31,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:51:31,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:51:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:31,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:31,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:51:31,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:51:31,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:31,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:31,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:31,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:51:31,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:31,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:31,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:31,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:31,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:31,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:31,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:31,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:31,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:31,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:31,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:31,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:31,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:51:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:31,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:51:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:31,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:31,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:31,773 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 15:51:31,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808883372] [2020-09-24 15:51:31,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:31,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:51:31,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389044603] [2020-09-24 15:51:31,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:51:31,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:31,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:51:31,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:31,777 INFO L87 Difference]: Start difference. First operand 579 states and 630 transitions. Second operand 15 states. [2020-09-24 15:51:32,314 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:33,109 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:34,077 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:34,397 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:34,717 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:35,039 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:35,332 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:35,639 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:35,948 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:36,254 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:36,557 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:36,898 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:37,219 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:37,534 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:40,022 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-24 15:51:40,558 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:40,846 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:41,151 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:41,472 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:41,770 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:42,050 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:43,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:43,041 INFO L93 Difference]: Finished difference Result 1384 states and 1639 transitions. [2020-09-24 15:51:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-24 15:51:43,041 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 221 [2020-09-24 15:51:43,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:43,047 INFO L225 Difference]: With dead ends: 1384 [2020-09-24 15:51:43,047 INFO L226 Difference]: Without dead ends: 915 [2020-09-24 15:51:43,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=609, Invalid=2147, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 15:51:43,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-09-24 15:51:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 727. [2020-09-24 15:51:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-09-24 15:51:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 794 transitions. [2020-09-24 15:51:43,144 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 794 transitions. Word has length 221 [2020-09-24 15:51:43,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:43,145 INFO L479 AbstractCegarLoop]: Abstraction has 727 states and 794 transitions. [2020-09-24 15:51:43,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:51:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 794 transitions. [2020-09-24 15:51:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 15:51:43,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:43,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:43,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:51:43,149 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:43,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:43,149 INFO L82 PathProgramCache]: Analyzing trace with hash -693987420, now seen corresponding path program 1 times [2020-09-24 15:51:43,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:43,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260982355] [2020-09-24 15:51:43,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 15:51:43,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:43,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:51:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:51:43,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,505 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:43,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:43,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:43,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:43,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:43,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:43,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:43,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:43,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:43,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:43,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:51:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:43,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:43,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:51:43,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:43,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:43,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:43,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:43,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:43,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:43,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:43,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:51:43,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:43,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:43,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:43,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:51:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:43,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:43,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:43,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:43,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:51:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:43,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:43,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:43,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:43,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:43,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:43,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:43,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:43,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:43,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:43,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:43,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:43,839 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 15:51:43,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260982355] [2020-09-24 15:51:43,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:43,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:51:43,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286055614] [2020-09-24 15:51:43,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:51:43,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:43,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:51:43,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:43,842 INFO L87 Difference]: Start difference. First operand 727 states and 794 transitions. Second operand 11 states. [2020-09-24 15:51:45,155 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:45,934 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:46,252 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:46,646 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:46,975 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:47,304 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:47,631 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:47,983 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:48,305 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:50,390 INFO L93 Difference]: Finished difference Result 1475 states and 1732 transitions. [2020-09-24 15:51:50,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:51:50,392 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 221 [2020-09-24 15:51:50,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:50,398 INFO L225 Difference]: With dead ends: 1475 [2020-09-24 15:51:50,399 INFO L226 Difference]: Without dead ends: 948 [2020-09-24 15:51:50,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-24 15:51:50,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-09-24 15:51:50,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 707. [2020-09-24 15:51:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-09-24 15:51:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 771 transitions. [2020-09-24 15:51:50,487 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 771 transitions. Word has length 221 [2020-09-24 15:51:50,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:50,488 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 771 transitions. [2020-09-24 15:51:50,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:51:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 771 transitions. [2020-09-24 15:51:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-09-24 15:51:50,494 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:50,495 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:50,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:51:50,495 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:50,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:50,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1338730833, now seen corresponding path program 1 times [2020-09-24 15:51:50,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:50,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397956744] [2020-09-24 15:51:50,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:50,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:50,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:50,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:50,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:50,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-09-24 15:51:50,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:50,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:51:50,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:51:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:51:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-09-24 15:51:50,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:50,925 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:50,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:50,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:50,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:50,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:50,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:50,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:50,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:50,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:50,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:50,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:50,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:50,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:50,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:50,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:50,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:50,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:50,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:50,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:50,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:50,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:50,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:50,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:50,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:50,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:50,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:50,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:50,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:50,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:50,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:50,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:50,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:50,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:50,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:50,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:50,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:50,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:50,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:50,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:50,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:50,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:50,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:50,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:50,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:50,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:50,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:50,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:50,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:50,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:51,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:51,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 15:51:51,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:51:51,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:51,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:51:51,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:51,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:51,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:51,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:51,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:51,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:51,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:51:51,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:51,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:51,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:51,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:51,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-24 15:51:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:51,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:51:51,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:51,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:51:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:51,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:51,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 15:51:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:51,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:51,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:51,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:51,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 15:51:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:51:51,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:51:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:51:51,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:51,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:51:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:51:51,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:51,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-24 15:51:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:51,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:51,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-24 15:51:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:51,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:51,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:51,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:51,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:51,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:51,350 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 15:51:51,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397956744] [2020-09-24 15:51:51,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:51,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:51:51,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267658776] [2020-09-24 15:51:51,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:51:51,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:51,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:51:51,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:51:51,353 INFO L87 Difference]: Start difference. First operand 707 states and 771 transitions. Second operand 14 states. [2020-09-24 15:51:51,944 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:52,772 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:54,062 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:54,394 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:54,733 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:55,046 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:55,340 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:55,658 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190