/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:07:40,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:07:40,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:07:40,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:07:40,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:07:40,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:07:40,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:07:40,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:07:40,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:07:40,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:07:40,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:07:40,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:07:40,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:07:40,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:07:40,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:07:40,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:07:40,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:07:40,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:07:40,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:07:40,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:07:40,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:07:40,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:07:40,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:07:40,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:07:40,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:07:40,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:07:40,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:07:40,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:07:40,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:07:40,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:07:40,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:07:40,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:07:40,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:07:40,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:07:40,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:07:40,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:07:40,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:07:40,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:07:40,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:07:40,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:07:40,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:07:40,704 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 [2020-09-21 11:07:40,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:07:40,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:07:40,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:07:40,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:07:40,731 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:07:40,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:07:40,731 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:07:40,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:07:40,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:07:40,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:07:40,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:07:40,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:07:40,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:07:40,733 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:07:40,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:07:40,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:07:40,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:07:40,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:07:40,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:07:40,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:07:40,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:07:40,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:07:40,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:07:40,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:07:40,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:07:40,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:07:40,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:07:40,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:07:40,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:07:40,736 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.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; [2020-09-21 11:07:41,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:07:41,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:07:41,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:07:41,184 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:07:41,185 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:07:41,186 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c [2020-09-21 11:07:41,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bedcd3899/64eb7f99921d47cdba06873d5343dbdc/FLAG98ebe504a [2020-09-21 11:07:41,852 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:07:41,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c [2020-09-21 11:07:41,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bedcd3899/64eb7f99921d47cdba06873d5343dbdc/FLAG98ebe504a [2020-09-21 11:07:42,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bedcd3899/64eb7f99921d47cdba06873d5343dbdc [2020-09-21 11:07:42,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:07:42,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:07:42,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:07:42,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:07:42,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:07:42,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f68fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42, skipping insertion in model container [2020-09-21 11:07:42,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:07:42,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:07:42,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:07:42,746 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:07:42,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:07:42,867 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:07:42,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42 WrapperNode [2020-09-21 11:07:42,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:07:42,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:07:42,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:07:42,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:07:42,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (1/1) ... [2020-09-21 11:07:42,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:07:42,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:07:42,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:07:42,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:07:42,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (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 [2020-09-21 11:07:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:07:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:07:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:07:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:07:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:07:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:07:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:07:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:07:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:07:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:07:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:07:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:07:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:07:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:07:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:07:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:07:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:07:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:07:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:07:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:07:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:07:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:07:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:07:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:07:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:07:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:07:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:07:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:07:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:07:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:07:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:07:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:07:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:07:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:07:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:07:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:07:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:07:43,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:07:43,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:07:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:07:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:07:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:07:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:07:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:07:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:07:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:07:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:07:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:07:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:07:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:07:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:07:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:07:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:07:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:07:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:07:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:07:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:07:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:07:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:07:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:07:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:07:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:07:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:07:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:07:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:07:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:07:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:07:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:07:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:07:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:07:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:07:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:07:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:07:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:07:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:07:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:07:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:07:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:07:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:07:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:07:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:07:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:07:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:07:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:07:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:07:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:07:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:07:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:07:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:07:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:07:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:07:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:07:44,222 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:07:44,222 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:07:44,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:07:44 BoogieIcfgContainer [2020-09-21 11:07:44,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:07:44,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:07:44,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:07:44,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:07:44,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:07:42" (1/3) ... [2020-09-21 11:07:44,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8df244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:07:44, skipping insertion in model container [2020-09-21 11:07:44,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:42" (2/3) ... [2020-09-21 11:07:44,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8df244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:07:44, skipping insertion in model container [2020-09-21 11:07:44,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:07:44" (3/3) ... [2020-09-21 11:07:44,243 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2020-09-21 11:07:44,255 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:07:44,268 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:07:44,291 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:07:44,323 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:07:44,323 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:07:44,323 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:07:44,323 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:07:44,323 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:07:44,323 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:07:44,323 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:07:44,323 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:07:44,347 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-09-21 11:07:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:07:44,359 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:44,360 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] [2020-09-21 11:07:44,360 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:44,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:44,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1759491915, now seen corresponding path program 1 times [2020-09-21 11:07:44,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:44,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821993847] [2020-09-21 11:07:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:44,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:44,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:44,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:44,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:44,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:07:44,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:07:44,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:07:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,085 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:45,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:45,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:45,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:45,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:45,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:07:45,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:45,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:45,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:45,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:45,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:45,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:45,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:07:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:45,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:45,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:07:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:45,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:45,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:45,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:45,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:45,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:45,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:45,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:45,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:45,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:45,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821993847] [2020-09-21 11:07:45,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:45,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:07:45,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281672951] [2020-09-21 11:07:45,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:07:45,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:45,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:07:45,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:07:45,339 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-09-21 11:07:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:46,340 INFO L93 Difference]: Finished difference Result 269 states and 353 transitions. [2020-09-21 11:07:46,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:07:46,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:07:46,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:46,371 INFO L225 Difference]: With dead ends: 269 [2020-09-21 11:07:46,371 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 11:07:46,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:07:46,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 11:07:46,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-09-21 11:07:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 11:07:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-09-21 11:07:46,510 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 51 [2020-09-21 11:07:46,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:46,510 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-09-21 11:07:46,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:07:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-09-21 11:07:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:07:46,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:46,514 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] [2020-09-21 11:07:46,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:07:46,515 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:46,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:46,515 INFO L82 PathProgramCache]: Analyzing trace with hash -273292015, now seen corresponding path program 1 times [2020-09-21 11:07:46,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:46,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130306486] [2020-09-21 11:07:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:07:46,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:07:46,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:07:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:07:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,881 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:46,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:46,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:46,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:07:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:46,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:07:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:46,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:46,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:46,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:46,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:46,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:46,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:46,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:46,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130306486] [2020-09-21 11:07:46,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:46,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:07:46,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348485824] [2020-09-21 11:07:46,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:07:46,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:46,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:07:46,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:07:46,987 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-09-21 11:07:47,457 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:48,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:48,289 INFO L93 Difference]: Finished difference Result 205 states and 254 transitions. [2020-09-21 11:07:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:07:48,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:07:48,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:48,294 INFO L225 Difference]: With dead ends: 205 [2020-09-21 11:07:48,294 INFO L226 Difference]: Without dead ends: 141 [2020-09-21 11:07:48,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:07:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-09-21 11:07:48,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 110. [2020-09-21 11:07:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 11:07:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-09-21 11:07:48,330 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 52 [2020-09-21 11:07:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:48,330 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-09-21 11:07:48,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:07:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-09-21 11:07:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:07:48,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:48,333 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] [2020-09-21 11:07:48,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:07:48,333 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:48,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:48,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1232114680, now seen corresponding path program 1 times [2020-09-21 11:07:48,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:48,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895442295] [2020-09-21 11:07:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:48,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:07:48,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:48,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:48,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:48,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:07:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-09-21 11:07:48,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:07:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:07:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,020 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:49,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:49,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:07:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:49,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:49,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:49,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:49,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:49,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:49,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:49,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:49,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:49,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:49,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:49,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:49,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:07:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:49,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:49,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:07:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:49,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:49,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:49,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:49,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:49,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:49,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:49,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:49,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:49,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895442295] [2020-09-21 11:07:49,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:49,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:07:49,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281965236] [2020-09-21 11:07:49,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:07:49,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:49,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:07:49,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:07:49,193 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 5 states. [2020-09-21 11:07:49,575 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:51,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:51,098 INFO L93 Difference]: Finished difference Result 314 states and 393 transitions. [2020-09-21 11:07:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:07:51,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 11:07:51,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:51,103 INFO L225 Difference]: With dead ends: 314 [2020-09-21 11:07:51,103 INFO L226 Difference]: Without dead ends: 232 [2020-09-21 11:07:51,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:07:51,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-09-21 11:07:51,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 180. [2020-09-21 11:07:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-09-21 11:07:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 213 transitions. [2020-09-21 11:07:51,162 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 213 transitions. Word has length 56 [2020-09-21 11:07:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:51,162 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 213 transitions. [2020-09-21 11:07:51,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:07:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 213 transitions. [2020-09-21 11:07:51,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:07:51,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:51,165 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] [2020-09-21 11:07:51,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:07:51,166 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:51,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:51,166 INFO L82 PathProgramCache]: Analyzing trace with hash 466387433, now seen corresponding path program 1 times [2020-09-21 11:07:51,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:51,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950159657] [2020-09-21 11:07:51,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:07:51,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-09-21 11:07:51,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:07:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:07:51,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:51,836 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:51,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:07:51,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:51,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:51,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:51,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:51,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:51,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:51,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:51,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:51,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:51,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:51,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:51,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:07:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:51,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:51,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:51,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:51,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:51,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:07:51,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:51,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:51,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:07:51,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:51,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:07:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:52,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:52,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:52,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:52,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:52,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:52,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:07:52,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:07:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:52,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:07:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:52,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:52,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:52,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:52,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:52,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:52,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:52,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:52,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:52,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950159657] [2020-09-21 11:07:52,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:52,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:07:52,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663560151] [2020-09-21 11:07:52,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:07:52,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:52,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:07:52,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:07:52,044 INFO L87 Difference]: Start difference. First operand 180 states and 213 transitions. Second operand 9 states. [2020-09-21 11:07:52,529 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:53,748 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:54,093 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:54,397 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:54,698 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:55,842 INFO L93 Difference]: Finished difference Result 575 states and 759 transitions. [2020-09-21 11:07:55,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:07:55,844 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 11:07:55,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:55,850 INFO L225 Difference]: With dead ends: 575 [2020-09-21 11:07:55,850 INFO L226 Difference]: Without dead ends: 423 [2020-09-21 11:07:55,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:07:55,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-21 11:07:55,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 315. [2020-09-21 11:07:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-09-21 11:07:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 376 transitions. [2020-09-21 11:07:55,943 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 376 transitions. Word has length 62 [2020-09-21 11:07:55,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:55,943 INFO L479 AbstractCegarLoop]: Abstraction has 315 states and 376 transitions. [2020-09-21 11:07:55,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:07:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 376 transitions. [2020-09-21 11:07:55,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 11:07:55,946 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:55,947 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] [2020-09-21 11:07:55,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:07:55,947 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:55,947 INFO L82 PathProgramCache]: Analyzing trace with hash -995650491, now seen corresponding path program 1 times [2020-09-21 11:07:55,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:55,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150898196] [2020-09-21 11:07:55,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:56,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:56,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:56,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:56,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:56,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 11:07:56,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-09-21 11:07:56,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:07:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:07:56,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:56,925 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:56,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:07:57,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:57,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:57,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:57,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:57,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:57,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:57,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:57,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:07:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:07:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:07:57,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:07:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:57,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:57,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:07:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:57,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:57,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:57,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:57,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:57,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:57,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:57,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:07:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:57,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150898196] [2020-09-21 11:07:57,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:57,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:07:57,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728010878] [2020-09-21 11:07:57,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:07:57,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:57,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:07:57,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:07:57,163 INFO L87 Difference]: Start difference. First operand 315 states and 376 transitions. Second operand 10 states. [2020-09-21 11:07:57,577 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:58,784 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:59,160 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:59,475 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:00,099 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:01,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:01,282 INFO L93 Difference]: Finished difference Result 961 states and 1303 transitions. [2020-09-21 11:08:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:08:01,283 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-09-21 11:08:01,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:01,288 INFO L225 Difference]: With dead ends: 961 [2020-09-21 11:08:01,289 INFO L226 Difference]: Without dead ends: 674 [2020-09-21 11:08:01,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:08:01,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-09-21 11:08:01,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 507. [2020-09-21 11:08:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-09-21 11:08:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 614 transitions. [2020-09-21 11:08:01,414 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 614 transitions. Word has length 66 [2020-09-21 11:08:01,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:01,415 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 614 transitions. [2020-09-21 11:08:01,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 614 transitions. [2020-09-21 11:08:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:08:01,418 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:01,418 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] [2020-09-21 11:08:01,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:08:01,419 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:01,419 INFO L82 PathProgramCache]: Analyzing trace with hash 155563889, now seen corresponding path program 1 times [2020-09-21 11:08:01,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:01,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33920540] [2020-09-21 11:08:01,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:01,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:01,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:01,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:01,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:01,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:08:01,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-21 11:08:01,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:08:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:08:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:01,995 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:02,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:08:02,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:02,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:02,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:02,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:02,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:02,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:02,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:02,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:02,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:02,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:02,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:02,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:02,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:02,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:02,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:02,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:02,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:02,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:02,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:02,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:02,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:02,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:08:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:02,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:02,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:02,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:02,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:02,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:02,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:02,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:02,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:02,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:02,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:02,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:02,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33920540] [2020-09-21 11:08:02,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:02,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:02,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109902159] [2020-09-21 11:08:02,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:02,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:02,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:02,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:02,266 INFO L87 Difference]: Start difference. First operand 507 states and 614 transitions. Second operand 10 states. [2020-09-21 11:08:02,731 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:03,698 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:04,002 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:08:04,338 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:04,672 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:06,600 INFO L93 Difference]: Finished difference Result 1770 states and 2512 transitions. [2020-09-21 11:08:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:08:06,602 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-09-21 11:08:06,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:06,616 INFO L225 Difference]: With dead ends: 1770 [2020-09-21 11:08:06,616 INFO L226 Difference]: Without dead ends: 1291 [2020-09-21 11:08:06,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:08:06,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2020-09-21 11:08:06,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 963. [2020-09-21 11:08:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-09-21 11:08:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1168 transitions. [2020-09-21 11:08:06,889 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1168 transitions. Word has length 83 [2020-09-21 11:08:06,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:06,889 INFO L479 AbstractCegarLoop]: Abstraction has 963 states and 1168 transitions. [2020-09-21 11:08:06,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:06,890 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1168 transitions. [2020-09-21 11:08:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:08:06,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:06,895 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] [2020-09-21 11:08:06,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:08:06,895 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:06,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:06,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1955726480, now seen corresponding path program 1 times [2020-09-21 11:08:06,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:06,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128209186] [2020-09-21 11:08:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:06,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:06,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:06,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:06,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:06,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:08:06,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:06,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:08:06,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:06,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:06,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-21 11:08:06,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:06,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,211 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:07,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:07,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:07,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:07,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:07,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:07,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:07,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:07,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:07,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:07,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:07,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:07,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:07,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:07,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:07,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:08:07,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:07,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:07,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:08:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:07,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:07,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:07,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:07,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:08:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:07,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:07,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:07,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:07,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:07,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:07,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128209186] [2020-09-21 11:08:07,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:07,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:07,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544150353] [2020-09-21 11:08:07,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:07,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:07,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:07,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:07,432 INFO L87 Difference]: Start difference. First operand 963 states and 1168 transitions. Second operand 10 states. [2020-09-21 11:08:08,582 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:08,932 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:08:09,260 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:09,583 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:10,860 INFO L93 Difference]: Finished difference Result 2239 states and 2973 transitions. [2020-09-21 11:08:10,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:08:10,862 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-09-21 11:08:10,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:10,873 INFO L225 Difference]: With dead ends: 2239 [2020-09-21 11:08:10,873 INFO L226 Difference]: Without dead ends: 1304 [2020-09-21 11:08:10,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:08:10,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2020-09-21 11:08:11,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1003. [2020-09-21 11:08:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-09-21 11:08:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1208 transitions. [2020-09-21 11:08:11,135 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1208 transitions. Word has length 83 [2020-09-21 11:08:11,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:11,135 INFO L479 AbstractCegarLoop]: Abstraction has 1003 states and 1208 transitions. [2020-09-21 11:08:11,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1208 transitions. [2020-09-21 11:08:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:08:11,139 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:11,139 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] [2020-09-21 11:08:11,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:08:11,139 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:11,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:11,140 INFO L82 PathProgramCache]: Analyzing trace with hash -569523086, now seen corresponding path program 1 times [2020-09-21 11:08:11,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:11,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141154281] [2020-09-21 11:08:11,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:11,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -55 [2020-09-21 11:08:11,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 55 [2020-09-21 11:08:11,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:08:11,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:08:11,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:08:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,477 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:11,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:11,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:11,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:11,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:11,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:11,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:11,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:11,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:11,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:11,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:11,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:11,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:11,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:11,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:11,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:11,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:11,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:11,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:11,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:11,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:11,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:11,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:11,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:11,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:08:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:11,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:11,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:11,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:11,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:11,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:11,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:11,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:11,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:11,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:11,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:11,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:11,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:11,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:11,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:11,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:11,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141154281] [2020-09-21 11:08:11,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:11,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:11,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551712822] [2020-09-21 11:08:11,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:11,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:11,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:11,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:11,669 INFO L87 Difference]: Start difference. First operand 1003 states and 1208 transitions. Second operand 9 states. [2020-09-21 11:08:12,642 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:12,957 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:13,243 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:14,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:14,514 INFO L93 Difference]: Finished difference Result 1979 states and 2594 transitions. [2020-09-21 11:08:14,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:08:14,515 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-09-21 11:08:14,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:14,522 INFO L225 Difference]: With dead ends: 1979 [2020-09-21 11:08:14,522 INFO L226 Difference]: Without dead ends: 1004 [2020-09-21 11:08:14,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:08:14,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-09-21 11:08:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 787. [2020-09-21 11:08:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-09-21 11:08:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 918 transitions. [2020-09-21 11:08:14,766 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 918 transitions. Word has length 83 [2020-09-21 11:08:14,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:14,766 INFO L479 AbstractCegarLoop]: Abstraction has 787 states and 918 transitions. [2020-09-21 11:08:14,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 918 transitions. [2020-09-21 11:08:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:08:14,771 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:14,771 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] [2020-09-21 11:08:14,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:08:14,772 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:14,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:14,772 INFO L82 PathProgramCache]: Analyzing trace with hash 855595353, now seen corresponding path program 1 times [2020-09-21 11:08:14,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:14,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385261708] [2020-09-21 11:08:14,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:14,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:14,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:14,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:14,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:14,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:08:14,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:14,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:08:14,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:14,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:14,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:08:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:08:14,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,179 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:15,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:15,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:15,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:15,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:15,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:15,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:08:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:15,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:08:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:15,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:08:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:15,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:15,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:08:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:15,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:15,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:15,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:15,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385261708] [2020-09-21 11:08:15,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:15,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:08:15,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055729432] [2020-09-21 11:08:15,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:08:15,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:15,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:08:15,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:08:15,347 INFO L87 Difference]: Start difference. First operand 787 states and 918 transitions. Second operand 8 states. [2020-09-21 11:08:15,749 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:18,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:18,398 INFO L93 Difference]: Finished difference Result 1595 states and 2100 transitions. [2020-09-21 11:08:18,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:08:18,400 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2020-09-21 11:08:18,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:18,411 INFO L225 Difference]: With dead ends: 1595 [2020-09-21 11:08:18,411 INFO L226 Difference]: Without dead ends: 1592 [2020-09-21 11:08:18,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:08:18,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2020-09-21 11:08:18,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1163. [2020-09-21 11:08:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2020-09-21 11:08:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1384 transitions. [2020-09-21 11:08:18,653 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1384 transitions. Word has length 87 [2020-09-21 11:08:18,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:18,654 INFO L479 AbstractCegarLoop]: Abstraction has 1163 states and 1384 transitions. [2020-09-21 11:08:18,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:08:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1384 transitions. [2020-09-21 11:08:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-21 11:08:18,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:18,659 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:18,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:08:18,660 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:18,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1109719620, now seen corresponding path program 1 times [2020-09-21 11:08:18,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:18,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236541441] [2020-09-21 11:08:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:18,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:18,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:18,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:18,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:18,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 11:08:18,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:18,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:18,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-09-21 11:08:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:08:18,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,019 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:19,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:19,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:19,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:19,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:19,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:08:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:08:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 11:08:19,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:19,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:08:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:08:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:19,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:19,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:08:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:19,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:19,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:19,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 11:08:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:08:19,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:19,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:08:19,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:19,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:08:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:19,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:08:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-21 11:08:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:08:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:19,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:19,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:19,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:19,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:19,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:08:19,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236541441] [2020-09-21 11:08:19,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:19,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:08:19,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786462594] [2020-09-21 11:08:19,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:08:19,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:19,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:08:19,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:08:19,391 INFO L87 Difference]: Start difference. First operand 1163 states and 1384 transitions. Second operand 11 states. [2020-09-21 11:08:20,012 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:20,804 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:23,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:23,441 INFO L93 Difference]: Finished difference Result 1636 states and 2080 transitions. [2020-09-21 11:08:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:08:23,442 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 127 [2020-09-21 11:08:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:23,448 INFO L225 Difference]: With dead ends: 1636 [2020-09-21 11:08:23,448 INFO L226 Difference]: Without dead ends: 752 [2020-09-21 11:08:23,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=277, Invalid=1055, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:08:23,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-09-21 11:08:23,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 604. [2020-09-21 11:08:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-09-21 11:08:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 699 transitions. [2020-09-21 11:08:23,565 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 699 transitions. Word has length 127 [2020-09-21 11:08:23,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:23,565 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 699 transitions. [2020-09-21 11:08:23,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:08:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 699 transitions. [2020-09-21 11:08:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-21 11:08:23,569 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:23,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:23,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:08:23,569 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:23,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:23,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1738865668, now seen corresponding path program 1 times [2020-09-21 11:08:23,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:23,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915959403] [2020-09-21 11:08:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:08:23,641 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:08:23,641 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:08:23,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:08:23,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:08:23 BoogieIcfgContainer [2020-09-21 11:08:23,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:08:23,691 INFO L168 Benchmark]: Toolchain (without parser) took 41522.45 ms. Allocated memory was 140.5 MB in the beginning and 751.3 MB in the end (delta: 610.8 MB). Free memory was 102.3 MB in the beginning and 224.6 MB in the end (delta: -122.3 MB). Peak memory consumption was 488.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:23,691 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:08:23,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.55 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 173.0 MB in the end (delta: -71.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:23,695 INFO L168 Benchmark]: Boogie Preprocessor took 91.17 ms. Allocated memory is still 204.5 MB. Free memory was 173.0 MB in the beginning and 168.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:23,696 INFO L168 Benchmark]: RCFGBuilder took 1271.25 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.4 MB in the beginning and 196.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:23,697 INFO L168 Benchmark]: TraceAbstraction took 39454.32 ms. Allocated memory was 236.5 MB in the beginning and 751.3 MB in the end (delta: 514.9 MB). Free memory was 194.6 MB in the beginning and 224.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 484.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:23,704 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.55 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 173.0 MB in the end (delta: -71.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.17 ms. Allocated memory is still 204.5 MB. Free memory was 173.0 MB in the beginning and 168.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1271.25 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.4 MB in the beginning and 196.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39454.32 ms. Allocated memory was 236.5 MB in the beginning and 751.3 MB in the end (delta: 514.9 MB). Free memory was 194.6 MB in the beginning and 224.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 484.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 736]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L815] int retValue_acc ; [L816] int tmp ; [L820] FCALL select_helpers() [L821] FCALL select_features() [L822] CALL, EXPR valid_product() [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); [L822] RET, EXPR valid_product() [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L826] FCALL setup() [L827] CALL runTest() [L808] CALL __utac_acc__Specification2_spec__1() [L660] methAndRunningLastTime = 0 [L808] RET __utac_acc__Specification2_spec__1() [L809] CALL test() [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 [L597] COND TRUE 1 [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp) [L609] CALL waterRise() [L857] COND TRUE waterLevel < 2 [L858] waterLevel = waterLevel + 1 [L609] RET waterRise() [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND TRUE \read(tmp___0) [L619] CALL changeMethaneLevel() [L869] COND FALSE !(\read(methaneLevelCritical)) [L872] methaneLevelCritical = 1 [L619] RET changeMethaneLevel() [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L642] CALL timeShift() [L424] COND FALSE !(\read(pumpRunning)) [L431] COND TRUE \read(systemActive) [L433] CALL processEnvironment() [L453] int tmp ; [L456] COND TRUE ! pumpRunning [L458] CALL, EXPR isHighWaterLevel() [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L556] CALL, EXPR isHighWaterSensorDry() [L919] int retValue_acc ; [L922] COND FALSE !(waterLevel < 2) [L926] retValue_acc = 0 [L927] return (retValue_acc); [L556] RET, EXPR isHighWaterSensorDry() [L556] tmp = isHighWaterSensorDry() [L558] COND FALSE !(\read(tmp)) [L561] tmp___0 = 1 [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); [L458] RET, EXPR isHighWaterLevel() [L458] tmp = isHighWaterLevel() [L460] COND TRUE \read(tmp) [L462] CALL activatePump() [L481] pumpRunning = 1 [L462] RET activatePump() [L433] RET processEnvironment() [L439] CALL __utac_acc__Specification2_spec__2() [L665] int tmp ; [L666] int tmp___0 ; [L670] CALL, EXPR isMethaneLevelCritical() [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] RET, EXPR isMethaneLevelCritical() [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L674] CALL, EXPR isPumpRunning() [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] RET, EXPR isPumpRunning() [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) [L677] COND FALSE !(\read(methAndRunningLastTime)) [L682] methAndRunningLastTime = 1 [L439] RET __utac_acc__Specification2_spec__2() [L642] RET timeShift() [L597] COND TRUE 1 [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L642] CALL timeShift() [L424] COND TRUE \read(pumpRunning) [L426] CALL lowerWaterLevel() [L845] COND TRUE waterLevel > 0 [L846] waterLevel = waterLevel - 1 [L426] RET lowerWaterLevel() [L431] COND TRUE \read(systemActive) [L433] CALL processEnvironment() [L453] int tmp ; [L456] COND FALSE !(! pumpRunning) [L471] FCALL processEnvironment__wrappee__base() [L433] RET processEnvironment() [L439] CALL __utac_acc__Specification2_spec__2() [L665] int tmp ; [L666] int tmp___0 ; [L670] CALL, EXPR isMethaneLevelCritical() [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] RET, EXPR isMethaneLevelCritical() [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L674] CALL, EXPR isPumpRunning() [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] RET, EXPR isPumpRunning() [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) [L677] COND TRUE \read(methAndRunningLastTime) [L679] CALL __automaton_fail() [L736] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.3s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 30.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1037 SDtfs, 2992 SDslu, 1297 SDs, 0 SdLazy, 5737 SolverSat, 1977 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 278 SyntacticMatches, 2 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 950 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1163occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1813 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 740 ConstructedInterpolants, 0 QuantifiedInterpolants, 241920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 26/26 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...