/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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:08:11,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:08:11,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:08:11,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:08:11,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:08:11,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:08:11,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:08:11,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:08:11,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:08:11,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:08:11,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:08:11,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:08:11,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:08:11,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:08:11,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:08:11,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:08:11,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:08:11,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:08:11,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:08:11,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:08:11,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:08:11,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:08:11,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:08:11,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:08:11,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:08:11,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:08:11,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:08:11,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:08:11,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:08:11,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:08:11,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:08:11,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:08:11,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:08:11,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:08:11,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:08:11,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:08:11,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:08:11,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:08:11,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:08:11,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:08:11,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:08:11,581 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 11:08:11,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:08:11,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:08:11,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:08:11,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:08:11,613 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:08:11,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:08:11,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:08:11,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:08:11,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:08:11,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:08:11,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:08:11,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:08:11,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:08:11,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:08:11,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:08:11,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:08:11,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:08:11,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:08:11,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:08:11,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:08:11,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:08:11,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:08:11,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:08:11,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:08:11,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:08:11,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:08:11,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:08:11,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:08:11,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:08:11,618 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 11:08:12,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:08:12,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:08:12,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:08:12,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:08:12,146 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:08:12,147 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-21 11:08:12,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86ce34f70/add4a8a6cba5496eb2cad3970366ad3c/FLAG3faac6b2b [2020-09-21 11:08:12,843 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:08:12,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-21 11:08:12,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86ce34f70/add4a8a6cba5496eb2cad3970366ad3c/FLAG3faac6b2b [2020-09-21 11:08:13,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86ce34f70/add4a8a6cba5496eb2cad3970366ad3c [2020-09-21 11:08:13,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:08:13,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:08:13,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:13,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:08:13,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:08:13,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13, skipping insertion in model container [2020-09-21 11:08:13,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:08:13,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:08:13,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:13,548 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:08:13,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:13,758 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:08:13,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13 WrapperNode [2020-09-21 11:08:13,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:13,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:08:13,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:08:13,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:08:13,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:08:13,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:08:13,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:08:13,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:08:13,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (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 11:08:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:08:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:08:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:08:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:08:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:08:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:08:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:08:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:08:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:08:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:08:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:08:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:08:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:08:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:08:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:08:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:08:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:08:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:08:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:08:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:08:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:08:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:08:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:08:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:08:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:08:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:08:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:08:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:08:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:08:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:08:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:08:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:08:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:08:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:08:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:08:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:08:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:08:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:08:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:08:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:08:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:08:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:08:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:08:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:08:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:08:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:08:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:08:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:08:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:08:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:08:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:08:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:08:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:08:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:08:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:08:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:08:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:08:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:08:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:08:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:08:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:08:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:08:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:08:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:08:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:08:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:08:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:08:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:08:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:08:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:08:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:08:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:08:14,951 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:08:14,952 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:08:14,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:14 BoogieIcfgContainer [2020-09-21 11:08:14,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:08:14,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:08:14,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:08:14,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:08:14,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:08:13" (1/3) ... [2020-09-21 11:08:14,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb7e66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:14, skipping insertion in model container [2020-09-21 11:08:14,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (2/3) ... [2020-09-21 11:08:14,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb7e66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:14, skipping insertion in model container [2020-09-21 11:08:14,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:14" (3/3) ... [2020-09-21 11:08:14,974 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-09-21 11:08:14,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:08:14,997 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:08:15,016 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:08:15,042 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:08:15,042 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:08:15,042 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:08:15,043 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:08:15,043 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:08:15,043 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:08:15,043 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:08:15,043 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:08:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-09-21 11:08:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:08:15,081 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:15,082 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 11:08:15,082 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:15,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:15,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1550952004, now seen corresponding path program 1 times [2020-09-21 11:08:15,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:15,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460105143] [2020-09-21 11:08:15,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:08:15,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:08:15,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:08:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,863 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:15,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:15,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:15,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:15,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:08:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:15,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,019 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 11:08:16,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460105143] [2020-09-21 11:08:16,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:16,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:08:16,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64931463] [2020-09-21 11:08:16,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:08:16,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:16,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:08:16,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:08:16,086 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 4 states. [2020-09-21 11:08:17,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:17,293 INFO L93 Difference]: Finished difference Result 295 states and 383 transitions. [2020-09-21 11:08:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:08:17,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:08:17,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:17,312 INFO L225 Difference]: With dead ends: 295 [2020-09-21 11:08:17,312 INFO L226 Difference]: Without dead ends: 165 [2020-09-21 11:08:17,318 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 11:08:17,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-21 11:08:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 131. [2020-09-21 11:08:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-09-21 11:08:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2020-09-21 11:08:17,420 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 51 [2020-09-21 11:08:17,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:17,420 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2020-09-21 11:08:17,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:08:17,420 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2020-09-21 11:08:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:08:17,424 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:17,424 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 11:08:17,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:08:17,425 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:17,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:17,425 INFO L82 PathProgramCache]: Analyzing trace with hash -185895496, now seen corresponding path program 1 times [2020-09-21 11:08:17,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:17,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089987735] [2020-09-21 11:08:17,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:08:17,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:17,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:08:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,839 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:17,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,937 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 11:08:17,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089987735] [2020-09-21 11:08:17,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:17,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:17,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593818739] [2020-09-21 11:08:17,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:17,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:17,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:17,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:17,941 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 5 states. [2020-09-21 11:08:18,453 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:19,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:19,366 INFO L93 Difference]: Finished difference Result 231 states and 284 transitions. [2020-09-21 11:08:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:19,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:08:19,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:19,371 INFO L225 Difference]: With dead ends: 231 [2020-09-21 11:08:19,371 INFO L226 Difference]: Without dead ends: 155 [2020-09-21 11:08:19,373 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 11:08:19,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-21 11:08:19,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 122. [2020-09-21 11:08:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-09-21 11:08:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 141 transitions. [2020-09-21 11:08:19,411 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 141 transitions. Word has length 52 [2020-09-21 11:08:19,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:19,411 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 141 transitions. [2020-09-21 11:08:19,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2020-09-21 11:08:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:08:19,413 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:19,414 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 11:08:19,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:08:19,414 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:19,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:19,414 INFO L82 PathProgramCache]: Analyzing trace with hash 794087253, now seen corresponding path program 1 times [2020-09-21 11:08:19,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:19,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199063910] [2020-09-21 11:08:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:19,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:19,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:19,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:19,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:08:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-09-21 11:08:19,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:08:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,285 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:08:20,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:20,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:20,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:20,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:20,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:20,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:20,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:08:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:08:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:20,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:20,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:20,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,465 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 11:08:20,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199063910] [2020-09-21 11:08:20,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:20,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:20,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180342686] [2020-09-21 11:08:20,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:20,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:20,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:20,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:20,467 INFO L87 Difference]: Start difference. First operand 122 states and 141 transitions. Second operand 5 states. [2020-09-21 11:08:20,884 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:22,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:22,577 INFO L93 Difference]: Finished difference Result 354 states and 439 transitions. [2020-09-21 11:08:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:22,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 11:08:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:22,581 INFO L225 Difference]: With dead ends: 354 [2020-09-21 11:08:22,582 INFO L226 Difference]: Without dead ends: 260 [2020-09-21 11:08:22,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 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 11:08:22,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-21 11:08:22,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 204. [2020-09-21 11:08:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-21 11:08:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 241 transitions. [2020-09-21 11:08:22,655 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 241 transitions. Word has length 56 [2020-09-21 11:08:22,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:22,655 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 241 transitions. [2020-09-21 11:08:22,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 241 transitions. [2020-09-21 11:08:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:08:22,658 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:22,658 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 11:08:22,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:08:22,659 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:22,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:22,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2145966964, now seen corresponding path program 1 times [2020-09-21 11:08:22,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:22,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420998610] [2020-09-21 11:08:22,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:08:22,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-21 11:08:22,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:08:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:08:22,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,316 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:23,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:08:23,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:23,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:23,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:23,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:23,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:23,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:23,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:23,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:23,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:23,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:08:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:23,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:23,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:08:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:23,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,532 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 11:08:23,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420998610] [2020-09-21 11:08:23,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:23,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:23,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329066488] [2020-09-21 11:08:23,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:23,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:23,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:23,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:23,535 INFO L87 Difference]: Start difference. First operand 204 states and 241 transitions. Second operand 9 states. [2020-09-21 11:08:24,002 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:25,346 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:25,706 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:26,015 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:26,315 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:27,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:27,663 INFO L93 Difference]: Finished difference Result 655 states and 851 transitions. [2020-09-21 11:08:27,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:08:27,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 11:08:27,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:27,669 INFO L225 Difference]: With dead ends: 655 [2020-09-21 11:08:27,669 INFO L226 Difference]: Without dead ends: 479 [2020-09-21 11:08:27,672 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 11:08:27,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-09-21 11:08:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 363. [2020-09-21 11:08:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-09-21 11:08:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 432 transitions. [2020-09-21 11:08:27,760 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 432 transitions. Word has length 62 [2020-09-21 11:08:27,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:27,761 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 432 transitions. [2020-09-21 11:08:27,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:27,761 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 432 transitions. [2020-09-21 11:08:27,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 11:08:27,764 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:27,764 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 11:08:27,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:08:27,765 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:27,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:27,765 INFO L82 PathProgramCache]: Analyzing trace with hash -664368024, now seen corresponding path program 1 times [2020-09-21 11:08:27,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:27,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240785641] [2020-09-21 11:08:27,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 11:08:28,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-09-21 11:08:28,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:08:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:08:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,633 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:28,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:08:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:28,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:28,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:28,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:28,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:28,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:28,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:28,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:08:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:08:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:08:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:08:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:28,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,913 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 11:08:28,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240785641] [2020-09-21 11:08:28,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:28,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:28,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116959759] [2020-09-21 11:08:28,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:28,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:28,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:28,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:28,919 INFO L87 Difference]: Start difference. First operand 363 states and 432 transitions. Second operand 10 states. [2020-09-21 11:08:29,426 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:30,584 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:30,985 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:31,313 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:32,078 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:33,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:33,242 INFO L93 Difference]: Finished difference Result 1065 states and 1423 transitions. [2020-09-21 11:08:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:08:33,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-09-21 11:08:33,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:33,249 INFO L225 Difference]: With dead ends: 1065 [2020-09-21 11:08:33,250 INFO L226 Difference]: Without dead ends: 730 [2020-09-21 11:08:33,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:08:33,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-09-21 11:08:33,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 563. [2020-09-21 11:08:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-21 11:08:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 678 transitions. [2020-09-21 11:08:33,393 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 678 transitions. Word has length 66 [2020-09-21 11:08:33,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:33,393 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 678 transitions. [2020-09-21 11:08:33,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:33,394 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 678 transitions. [2020-09-21 11:08:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:08:33,396 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:33,397 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:33,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:08:33,397 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:33,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:33,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1705973146, now seen corresponding path program 1 times [2020-09-21 11:08:33,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:33,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338964650] [2020-09-21 11:08:33,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:33,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:33,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:33,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:33,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:08:33,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-21 11:08:33,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:08:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:08:33,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:33,953 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:33,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:08:34,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:34,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:34,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:34,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:34,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:34,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:34,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:34,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:34,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:34,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:34,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:34,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:34,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:34,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:34,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:34,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:34,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:34,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:34,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:34,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:08:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:08:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:34,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338964650] [2020-09-21 11:08:34,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:34,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:34,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071280251] [2020-09-21 11:08:34,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:34,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:34,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:34,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:34,259 INFO L87 Difference]: Start difference. First operand 563 states and 678 transitions. Second operand 10 states. [2020-09-21 11:08:34,827 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:35,961 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:36,283 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:08:36,636 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:36,970 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:39,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:39,289 INFO L93 Difference]: Finished difference Result 1938 states and 2704 transitions. [2020-09-21 11:08:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:08:39,291 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-09-21 11:08:39,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:39,303 INFO L225 Difference]: With dead ends: 1938 [2020-09-21 11:08:39,303 INFO L226 Difference]: Without dead ends: 1403 [2020-09-21 11:08:39,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:08:39,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2020-09-21 11:08:39,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1075. [2020-09-21 11:08:39,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-09-21 11:08:39,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1296 transitions. [2020-09-21 11:08:39,602 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1296 transitions. Word has length 98 [2020-09-21 11:08:39,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:39,603 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1296 transitions. [2020-09-21 11:08:39,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:39,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1296 transitions. [2020-09-21 11:08:39,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:08:39,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:39,609 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:39,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:08:39,610 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:39,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:39,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1619413127, now seen corresponding path program 1 times [2020-09-21 11:08:39,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:39,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859382311] [2020-09-21 11:08:39,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:08:39,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:08:39,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-21 11:08:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:39,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:39,973 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:39,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:39,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:39,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:39,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:39,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:39,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:39,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:39,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:39,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:40,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:40,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:40,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:40,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:40,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:40,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:40,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:08:40,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:40,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:08:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:40,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:40,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:40,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:08:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:40,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:08:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:40,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:08:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:40,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:08:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:40,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:40,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:40,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:40,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:40,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:40,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:40,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:40,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:40,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:40,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:40,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859382311] [2020-09-21 11:08:40,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:40,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:40,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656760915] [2020-09-21 11:08:40,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:40,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:40,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:40,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:40,251 INFO L87 Difference]: Start difference. First operand 1075 states and 1296 transitions. Second operand 10 states. [2020-09-21 11:08:41,460 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:41,786 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:08:42,127 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:42,460 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:08:43,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:43,957 INFO L93 Difference]: Finished difference Result 2479 states and 3319 transitions. [2020-09-21 11:08:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:08:43,958 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-09-21 11:08:43,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:43,970 INFO L225 Difference]: With dead ends: 2479 [2020-09-21 11:08:43,970 INFO L226 Difference]: Without dead ends: 1432 [2020-09-21 11:08:43,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 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 11:08:43,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2020-09-21 11:08:44,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1115. [2020-09-21 11:08:44,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2020-09-21 11:08:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1336 transitions. [2020-09-21 11:08:44,213 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1336 transitions. Word has length 98 [2020-09-21 11:08:44,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:44,213 INFO L479 AbstractCegarLoop]: Abstraction has 1115 states and 1336 transitions. [2020-09-21 11:08:44,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1336 transitions. [2020-09-21 11:08:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:08:44,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:44,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:44,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:08:44,218 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:44,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:44,219 INFO L82 PathProgramCache]: Analyzing trace with hash -429974715, now seen corresponding path program 1 times [2020-09-21 11:08:44,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:44,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132002] [2020-09-21 11:08:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:44,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -55 [2020-09-21 11:08:44,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 55 [2020-09-21 11:08:44,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:08:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:08:44,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:08:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,566 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:44,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:44,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:44,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:44,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:44,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:44,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:44,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:44,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:44,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:44,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:44,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:44,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:44,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:08:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:44,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:44,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:08:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:44,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:08:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:44,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:44,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:44,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:44,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:44,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:44,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:44,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:44,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132002] [2020-09-21 11:08:44,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:44,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:44,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393165733] [2020-09-21 11:08:44,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:44,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:44,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:44,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:44,759 INFO L87 Difference]: Start difference. First operand 1115 states and 1336 transitions. Second operand 9 states. [2020-09-21 11:08:45,855 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:46,158 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:46,450 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:47,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:47,777 INFO L93 Difference]: Finished difference Result 2147 states and 2786 transitions. [2020-09-21 11:08:47,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:08:47,784 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-09-21 11:08:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:47,792 INFO L225 Difference]: With dead ends: 2147 [2020-09-21 11:08:47,793 INFO L226 Difference]: Without dead ends: 1060 [2020-09-21 11:08:47,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 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 11:08:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-09-21 11:08:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 843. [2020-09-21 11:08:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2020-09-21 11:08:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 982 transitions. [2020-09-21 11:08:47,963 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 982 transitions. Word has length 98 [2020-09-21 11:08:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:47,963 INFO L479 AbstractCegarLoop]: Abstraction has 843 states and 982 transitions. [2020-09-21 11:08:47,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 982 transitions. [2020-09-21 11:08:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-21 11:08:47,967 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:47,968 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:47,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:08:47,968 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:47,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:47,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1139994370, now seen corresponding path program 1 times [2020-09-21 11:08:47,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:47,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072936727] [2020-09-21 11:08:47,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:08:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:08:48,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:08:48,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:08:48,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:08:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 11:08:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,332 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:48,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:48,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:48,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:48,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:48,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:48,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:48,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:08:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:48,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:08:48,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:48,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:08:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:08:48,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:48,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:48,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:48,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:48,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:08:48,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:08:48,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:48,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:08:48,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:08:48,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:48,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:48,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:08:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:48,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:08:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:48,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:48,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:48,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:48,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:48,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:48,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:48,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:08:48,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072936727] [2020-09-21 11:08:48,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:08:48,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:08:48,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333848084] [2020-09-21 11:08:48,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:08:48,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:48,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:08:48,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:08:48,709 INFO L87 Difference]: Start difference. First operand 843 states and 982 transitions. Second operand 14 states. [2020-09-21 11:08:49,344 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:50,266 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:50,937 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:51,426 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:52,658 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:53,015 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:53,462 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:53,843 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:54,161 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:54,463 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:54,864 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:55,270 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:56,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:56,981 INFO L93 Difference]: Finished difference Result 1875 states and 2332 transitions. [2020-09-21 11:08:56,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-21 11:08:56,982 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 102 [2020-09-21 11:08:56,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:56,989 INFO L225 Difference]: With dead ends: 1875 [2020-09-21 11:08:56,989 INFO L226 Difference]: Without dead ends: 1060 [2020-09-21 11:08:56,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=435, Invalid=1727, Unknown=0, NotChecked=0, Total=2162 [2020-09-21 11:08:56,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-09-21 11:08:57,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 849. [2020-09-21 11:08:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2020-09-21 11:08:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 984 transitions. [2020-09-21 11:08:57,162 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 984 transitions. Word has length 102 [2020-09-21 11:08:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:57,163 INFO L479 AbstractCegarLoop]: Abstraction has 849 states and 984 transitions. [2020-09-21 11:08:57,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:08:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 984 transitions. [2020-09-21 11:08:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-21 11:08:57,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:57,168 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:57,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:08:57,168 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:57,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:57,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1861844806, now seen corresponding path program 1 times [2020-09-21 11:08:57,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:57,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855909831] [2020-09-21 11:08:57,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 11:08:57,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:08:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:08:57,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,565 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:57,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:57,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:57,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:57,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:57,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:08:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:57,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:57,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:08:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:08:57,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:57,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:08:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:08:57,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:08:57,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:08:57,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:08:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:57,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:57,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:57,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:57,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:08:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:08:57,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:57,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:08:57,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:08:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-21 11:08:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-21 11:08:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-21 11:08:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:08:58,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855909831] [2020-09-21 11:08:58,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:58,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:08:58,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446200413] [2020-09-21 11:08:58,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:08:58,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:58,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:08:58,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:08:58,014 INFO L87 Difference]: Start difference. First operand 849 states and 984 transitions. Second operand 11 states. [2020-09-21 11:08:58,753 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:59,519 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:01,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:01,628 INFO L93 Difference]: Finished difference Result 1241 states and 1559 transitions. [2020-09-21 11:09:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:09:01,629 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 135 [2020-09-21 11:09:01,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:01,632 INFO L225 Difference]: With dead ends: 1241 [2020-09-21 11:09:01,633 INFO L226 Difference]: Without dead ends: 533 [2020-09-21 11:09:01,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=277, Invalid=1055, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:09:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-09-21 11:09:01,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 421. [2020-09-21 11:09:01,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-09-21 11:09:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 476 transitions. [2020-09-21 11:09:01,716 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 476 transitions. Word has length 135 [2020-09-21 11:09:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:01,716 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 476 transitions. [2020-09-21 11:09:01,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:09:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 476 transitions. [2020-09-21 11:09:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 11:09:01,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:01,719 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:01,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:09:01,719 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:01,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:01,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1191539176, now seen corresponding path program 1 times [2020-09-21 11:09:01,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:01,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955541969] [2020-09-21 11:09:01,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:01,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:01,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:01,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:01,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:01,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-21 11:09:01,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:01,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:01,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:09:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:09:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:09:01,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,065 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:02,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:02,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:02,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:09:02,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:09:02,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:02,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:02,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:09:02,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:09:02,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:02,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:02,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:02,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:02,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:02,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:09:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:02,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:09:02,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:02,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:09:02,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:09:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:02,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-21 11:09:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:02,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:09:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:09:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-21 11:09:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:02,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:09:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:02,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 11:09:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:02,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-21 11:09:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:02,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:02,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:02,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:02,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 11:09:02,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955541969] [2020-09-21 11:09:02,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:02,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:09:02,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421489512] [2020-09-21 11:09:02,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:09:02,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:02,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:09:02,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:09:02,418 INFO L87 Difference]: Start difference. First operand 421 states and 476 transitions. Second operand 10 states. [2020-09-21 11:09:03,440 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:04,975 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:05,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:05,788 INFO L93 Difference]: Finished difference Result 1125 states and 1433 transitions. [2020-09-21 11:09:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:09:05,789 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-09-21 11:09:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:05,794 INFO L225 Difference]: With dead ends: 1125 [2020-09-21 11:09:05,795 INFO L226 Difference]: Without dead ends: 842 [2020-09-21 11:09:05,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:09:05,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-09-21 11:09:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 680. [2020-09-21 11:09:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-09-21 11:09:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 781 transitions. [2020-09-21 11:09:05,950 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 781 transitions. Word has length 137 [2020-09-21 11:09:05,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:05,951 INFO L479 AbstractCegarLoop]: Abstraction has 680 states and 781 transitions. [2020-09-21 11:09:05,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:09:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 781 transitions. [2020-09-21 11:09:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 11:09:05,956 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:05,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:05,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:09:05,957 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:05,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:05,958 INFO L82 PathProgramCache]: Analyzing trace with hash -194664218, now seen corresponding path program 1 times [2020-09-21 11:09:05,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:05,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206146735] [2020-09-21 11:09:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-21 11:09:06,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:06,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:09:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-21 11:09:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:09:06,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,333 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:06,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:06,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:06,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:06,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:06,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:06,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:06,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:06,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:09:06,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:09:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:06,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:06,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:06,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:06,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:06,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:06,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:06,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:09:06,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:09:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:06,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:09:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:06,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:06,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-21 11:09:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:06,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-21 11:09:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:06,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:06,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:06,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:09:06,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:06,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:06,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 11:09:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:06,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-21 11:09:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:06,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:06,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:06,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:06,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:06,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:06,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:06,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:06,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:09:06,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206146735] [2020-09-21 11:09:06,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:06,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:09:06,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256762795] [2020-09-21 11:09:06,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:06,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:06,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:06,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:06,652 INFO L87 Difference]: Start difference. First operand 680 states and 781 transitions. Second operand 9 states. [2020-09-21 11:09:07,392 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 189