/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_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:56,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:56,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:56,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:56,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:56,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:56,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:56,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:56,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:56,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:56,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:56,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:56,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:56,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:56,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:56,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:56,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:56,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:56,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:56,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:56,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:56,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:56,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:56,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:56,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:56,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:56,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:56,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:56,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:56,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:56,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:56,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:56,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:56,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:56,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:56,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:56,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:56,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:56,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:56,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:56,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:56,370 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 11:15:56,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:56,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:56,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:56,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:56,419 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:56,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:56,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:56,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:56,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:56,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:56,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:56,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:56,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:56,422 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:56,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:56,423 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:56,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:56,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:56,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:56,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:56,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:56,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:56,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:56,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:56,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:56,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:56,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:56,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:56,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:56,426 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 11:15:56,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:56,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:56,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:56,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:56,895 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:56,896 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-09-21 11:15:56,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ccc9cc5e/941ec15472f643c08b92abdb1dad0635/FLAG8ff2df4c5 [2020-09-21 11:15:57,584 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:57,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-09-21 11:15:57,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ccc9cc5e/941ec15472f643c08b92abdb1dad0635/FLAG8ff2df4c5 [2020-09-21 11:15:57,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ccc9cc5e/941ec15472f643c08b92abdb1dad0635 [2020-09-21 11:15:57,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:57,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:57,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:57,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:57,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:57,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:57" (1/1) ... [2020-09-21 11:15:57,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:57, skipping insertion in model container [2020-09-21 11:15:57,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:57" (1/1) ... [2020-09-21 11:15:57,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:57,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:58,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:58,315 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:58,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:58,609 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:58,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58 WrapperNode [2020-09-21 11:15:58,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:58,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:58,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:58,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:58,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:58,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:58,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:58,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:58,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (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 11:15:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:15:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:15:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:15:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:15:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:15:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:15:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:00,072 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:00,073 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:00,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:00 BoogieIcfgContainer [2020-09-21 11:16:00,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:00,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:00,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:00,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:00,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:57" (1/3) ... [2020-09-21 11:16:00,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a48b143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:00, skipping insertion in model container [2020-09-21 11:16:00,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58" (2/3) ... [2020-09-21 11:16:00,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a48b143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:00, skipping insertion in model container [2020-09-21 11:16:00,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:00" (3/3) ... [2020-09-21 11:16:00,094 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-09-21 11:16:00,105 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:00,116 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:00,136 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:00,165 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:00,165 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:00,165 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:00,165 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:00,166 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:00,166 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:00,166 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:00,166 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-09-21 11:16:00,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:00,208 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:00,209 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] [2020-09-21 11:16:00,210 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:00,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:00,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2020-09-21 11:16:00,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:00,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586986923] [2020-09-21 11:16:00,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:00,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:16:00,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,038 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:01,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:01,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:01,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:16:01,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:01,242 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 11:16:01,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586986923] [2020-09-21 11:16:01,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:01,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:01,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690009493] [2020-09-21 11:16:01,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:01,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:01,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:01,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:01,276 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-09-21 11:16:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:02,411 INFO L93 Difference]: Finished difference Result 314 states and 404 transitions. [2020-09-21 11:16:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:02,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:02,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:02,432 INFO L225 Difference]: With dead ends: 314 [2020-09-21 11:16:02,433 INFO L226 Difference]: Without dead ends: 173 [2020-09-21 11:16:02,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-21 11:16:02,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2020-09-21 11:16:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-09-21 11:16:02,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-09-21 11:16:02,546 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-09-21 11:16:02,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:02,546 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-09-21 11:16:02,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-09-21 11:16:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:16:02,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:02,552 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] [2020-09-21 11:16:02,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:02,552 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:02,553 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2020-09-21 11:16:02,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:02,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1512459092] [2020-09-21 11:16:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:02,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:02,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:02,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:02,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:02,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:16:02,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:02,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-09-21 11:16:02,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:16:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:16:02,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,324 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:03,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 11:16:03,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:03,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:03,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:03,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:03,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:16:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,555 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 11:16:03,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1512459092] [2020-09-21 11:16:03,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:03,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:03,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244096024] [2020-09-21 11:16:03,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:03,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:03,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:03,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:03,560 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2020-09-21 11:16:03,952 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:05,971 INFO L93 Difference]: Finished difference Result 409 states and 509 transitions. [2020-09-21 11:16:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:05,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:16:05,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:05,980 INFO L225 Difference]: With dead ends: 409 [2020-09-21 11:16:05,981 INFO L226 Difference]: Without dead ends: 295 [2020-09-21 11:16:05,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 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 11:16:05,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-21 11:16:06,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 250. [2020-09-21 11:16:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-09-21 11:16:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 301 transitions. [2020-09-21 11:16:06,055 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 301 transitions. Word has length 64 [2020-09-21 11:16:06,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:06,056 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 301 transitions. [2020-09-21 11:16:06,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 301 transitions. [2020-09-21 11:16:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:16:06,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:06,060 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] [2020-09-21 11:16:06,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:06,060 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:06,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:06,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2020-09-21 11:16:06,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:06,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896101056] [2020-09-21 11:16:06,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:16:06,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-09-21 11:16:06,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:16:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:16:06,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,981 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:06,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-21 11:16:07,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:07,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:07,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:07,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:16:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:07,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:07,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:16:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:07,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896101056] [2020-09-21 11:16:07,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:07,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:07,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417501685] [2020-09-21 11:16:07,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:07,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:07,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:07,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:07,298 INFO L87 Difference]: Start difference. First operand 250 states and 301 transitions. Second operand 9 states. [2020-09-21 11:16:07,764 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:08,691 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:10,055 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:10,630 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:11,203 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:11,451 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:11,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:12,000 INFO L93 Difference]: Finished difference Result 708 states and 955 transitions. [2020-09-21 11:16:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:16:12,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:16:12,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:12,009 INFO L225 Difference]: With dead ends: 708 [2020-09-21 11:16:12,009 INFO L226 Difference]: Without dead ends: 486 [2020-09-21 11:16:12,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:16:12,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-09-21 11:16:12,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 402. [2020-09-21 11:16:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-21 11:16:12,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 505 transitions. [2020-09-21 11:16:12,179 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 505 transitions. Word has length 70 [2020-09-21 11:16:12,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:12,181 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 505 transitions. [2020-09-21 11:16:12,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 505 transitions. [2020-09-21 11:16:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:12,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:12,192 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] [2020-09-21 11:16:12,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:12,192 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:12,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:12,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1962075473, now seen corresponding path program 1 times [2020-09-21 11:16:12,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:12,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351282343] [2020-09-21 11:16:12,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:12,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-21 11:16:12,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:16:12,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,787 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:12,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:16:12,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:12,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:12,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:12,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:12,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:12,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:12,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:12,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:12,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:12,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:13,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:13,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:13,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:13,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,070 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 11:16:13,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351282343] [2020-09-21 11:16:13,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:13,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:13,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947630693] [2020-09-21 11:16:13,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:13,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:13,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:13,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:13,075 INFO L87 Difference]: Start difference. First operand 402 states and 505 transitions. Second operand 9 states. [2020-09-21 11:16:13,501 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:14,694 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:15,102 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:15,490 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:15,871 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:17,333 INFO L93 Difference]: Finished difference Result 1225 states and 1750 transitions. [2020-09-21 11:16:17,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:17,339 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-09-21 11:16:17,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:17,347 INFO L225 Difference]: With dead ends: 1225 [2020-09-21 11:16:17,347 INFO L226 Difference]: Without dead ends: 851 [2020-09-21 11:16:17,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:16:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2020-09-21 11:16:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 713. [2020-09-21 11:16:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-09-21 11:16:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 912 transitions. [2020-09-21 11:16:17,538 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 912 transitions. Word has length 92 [2020-09-21 11:16:17,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:17,538 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 912 transitions. [2020-09-21 11:16:17,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 912 transitions. [2020-09-21 11:16:17,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:17,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:17,543 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] [2020-09-21 11:16:17,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:17,544 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:17,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:17,544 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2020-09-21 11:16:17,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:17,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257200747] [2020-09-21 11:16:17,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 11:16:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,927 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:17,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:17,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:17,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:17,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:18,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:18,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:18,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:16:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:18,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:18,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:18,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:18,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:18,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:18,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:18,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,144 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 11:16:18,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257200747] [2020-09-21 11:16:18,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:18,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:18,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970798399] [2020-09-21 11:16:18,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:18,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:18,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:18,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:18,146 INFO L87 Difference]: Start difference. First operand 713 states and 912 transitions. Second operand 9 states. [2020-09-21 11:16:19,389 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:19,700 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:20,071 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:20,401 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:21,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:21,299 INFO L93 Difference]: Finished difference Result 1535 states and 2076 transitions. [2020-09-21 11:16:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:21,300 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-09-21 11:16:21,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:21,306 INFO L225 Difference]: With dead ends: 1535 [2020-09-21 11:16:21,307 INFO L226 Difference]: Without dead ends: 850 [2020-09-21 11:16:21,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:16:21,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-09-21 11:16:21,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 733. [2020-09-21 11:16:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-09-21 11:16:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 932 transitions. [2020-09-21 11:16:21,440 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 932 transitions. Word has length 92 [2020-09-21 11:16:21,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:21,441 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 932 transitions. [2020-09-21 11:16:21,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 932 transitions. [2020-09-21 11:16:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:16:21,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:21,451 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] [2020-09-21 11:16:21,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:21,451 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:21,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:21,452 INFO L82 PathProgramCache]: Analyzing trace with hash -451998130, now seen corresponding path program 1 times [2020-09-21 11:16:21,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:21,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764150282] [2020-09-21 11:16:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-09-21 11:16:21,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:21,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,775 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:21,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:21,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:21,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:21,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:21,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:16:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:21,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 11:16:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:21,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:21,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:21,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:21,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:16:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:16:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:21,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,962 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 11:16:21,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764150282] [2020-09-21 11:16:21,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:21,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:16:21,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679047605] [2020-09-21 11:16:21,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:16:21,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:21,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:16:21,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:16:21,965 INFO L87 Difference]: Start difference. First operand 733 states and 932 transitions. Second operand 6 states. [2020-09-21 11:16:22,496 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:23,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:23,682 INFO L93 Difference]: Finished difference Result 1272 states and 1587 transitions. [2020-09-21 11:16:23,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:23,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-09-21 11:16:23,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:23,688 INFO L225 Difference]: With dead ends: 1272 [2020-09-21 11:16:23,689 INFO L226 Difference]: Without dead ends: 739 [2020-09-21 11:16:23,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:16:23,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-09-21 11:16:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 661. [2020-09-21 11:16:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-09-21 11:16:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 796 transitions. [2020-09-21 11:16:23,805 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 796 transitions. Word has length 88 [2020-09-21 11:16:23,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:23,805 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 796 transitions. [2020-09-21 11:16:23,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:16:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 796 transitions. [2020-09-21 11:16:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:23,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:23,808 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] [2020-09-21 11:16:23,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:23,808 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:23,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:23,810 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2020-09-21 11:16:23,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:23,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232215854] [2020-09-21 11:16:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:23,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-21 11:16:23,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-21 11:16:23,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:23,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:16:23,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:16:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,184 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:24,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:24,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:24,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:24,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:24,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:16:24,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:24,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:24,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:24,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:24,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:24,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:24,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:24,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:24,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:24,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:24,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:24,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,454 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 11:16:24,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232215854] [2020-09-21 11:16:24,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:24,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:24,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604373285] [2020-09-21 11:16:24,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:24,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:24,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:24,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:24,463 INFO L87 Difference]: Start difference. First operand 661 states and 796 transitions. Second operand 8 states. [2020-09-21 11:16:25,501 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:25,844 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:26,144 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:27,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:27,002 INFO L93 Difference]: Finished difference Result 1226 states and 1551 transitions. [2020-09-21 11:16:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:27,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-09-21 11:16:27,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:27,007 INFO L225 Difference]: With dead ends: 1226 [2020-09-21 11:16:27,008 INFO L226 Difference]: Without dead ends: 593 [2020-09-21 11:16:27,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:27,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-09-21 11:16:27,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 532. [2020-09-21 11:16:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2020-09-21 11:16:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 623 transitions. [2020-09-21 11:16:27,101 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 623 transitions. Word has length 92 [2020-09-21 11:16:27,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:27,102 INFO L479 AbstractCegarLoop]: Abstraction has 532 states and 623 transitions. [2020-09-21 11:16:27,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 623 transitions. [2020-09-21 11:16:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-21 11:16:27,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:27,106 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] [2020-09-21 11:16:27,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:27,106 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:27,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:27,107 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2020-09-21 11:16:27,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:27,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503738086] [2020-09-21 11:16:27,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:27,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:27,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:27,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:27,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:27,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:16:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-09-21 11:16:27,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-21 11:16:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:27,991 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:27,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:16:28,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:28,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:28,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:28,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:28,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:28,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:28,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:28,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:28,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:16:28,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:28,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:28,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:28,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:16:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:28,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:16:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,289 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 11:16:28,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503738086] [2020-09-21 11:16:28,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:28,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:28,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038191474] [2020-09-21 11:16:28,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:28,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:28,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:28,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:28,292 INFO L87 Difference]: Start difference. First operand 532 states and 623 transitions. Second operand 12 states. [2020-09-21 11:16:28,826 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:29,723 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:30,487 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:30,844 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:31,170 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:31,552 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:31,897 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:33,752 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:34,073 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:35,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:35,139 INFO L93 Difference]: Finished difference Result 1581 states and 2018 transitions. [2020-09-21 11:16:35,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:16:35,140 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-09-21 11:16:35,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:35,147 INFO L225 Difference]: With dead ends: 1581 [2020-09-21 11:16:35,148 INFO L226 Difference]: Without dead ends: 1218 [2020-09-21 11:16:35,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:35,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-09-21 11:16:35,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1106. [2020-09-21 11:16:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2020-09-21 11:16:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1302 transitions. [2020-09-21 11:16:35,347 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1302 transitions. Word has length 96 [2020-09-21 11:16:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:35,348 INFO L479 AbstractCegarLoop]: Abstraction has 1106 states and 1302 transitions. [2020-09-21 11:16:35,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1302 transitions. [2020-09-21 11:16:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 11:16:35,350 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:35,351 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:35,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:35,351 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:35,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:35,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1405851946, now seen corresponding path program 1 times [2020-09-21 11:16:35,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:35,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684918133] [2020-09-21 11:16:35,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-21 11:16:35,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:16:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:16:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,703 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:35,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:35,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:35,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:35,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:16:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:35,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:16:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:16:35,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:35,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:35,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:35,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:16:35,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:35,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:35,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:35,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:35,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:36,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-21 11:16:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:36,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-21 11:16:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:36,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 11:16:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-21 11:16:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:16:36,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684918133] [2020-09-21 11:16:36,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:36,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:16:36,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553574409] [2020-09-21 11:16:36,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:16:36,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:36,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:16:36,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:16:36,100 INFO L87 Difference]: Start difference. First operand 1106 states and 1302 transitions. Second operand 10 states. [2020-09-21 11:16:36,699 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:37,546 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:39,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:39,597 INFO L93 Difference]: Finished difference Result 1400 states and 1682 transitions. [2020-09-21 11:16:39,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:16:39,597 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-09-21 11:16:39,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:39,602 INFO L225 Difference]: With dead ends: 1400 [2020-09-21 11:16:39,602 INFO L226 Difference]: Without dead ends: 594 [2020-09-21 11:16:39,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:16:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-09-21 11:16:39,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 545. [2020-09-21 11:16:39,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-09-21 11:16:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 624 transitions. [2020-09-21 11:16:39,706 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 624 transitions. Word has length 137 [2020-09-21 11:16:39,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:39,707 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 624 transitions. [2020-09-21 11:16:39,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:16:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 624 transitions. [2020-09-21 11:16:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-21 11:16:39,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:39,710 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:39,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:39,710 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:39,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:39,711 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2020-09-21 11:16:39,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:39,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835773856] [2020-09-21 11:16:39,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:39,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:39,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -85 [2020-09-21 11:16:39,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 85 [2020-09-21 11:16:39,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:39,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-21 11:16:39,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:39,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:16:39,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-21 11:16:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-21 11:16:39,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,150 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:16:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:40,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:16:40,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:40,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:16:40,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:40,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:16:40,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:40,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:40,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:16:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:40,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:40,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:40,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:40,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:16:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:40,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:16:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:40,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:40,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-21 11:16:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-21 11:16:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:40,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:16:40,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835773856] [2020-09-21 11:16:40,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:40,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:40,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220702811] [2020-09-21 11:16:40,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:40,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:40,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:40,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:40,517 INFO L87 Difference]: Start difference. First operand 545 states and 624 transitions. Second operand 12 states. [2020-09-21 11:16:41,023 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:16:41,915 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:42,253 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:42,993 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:43,372 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:44,262 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:44,574 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:44,902 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:45,564 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:16:46,228 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:46,673 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:47,427 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:48,225 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:48,909 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:49,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:49,587 INFO L93 Difference]: Finished difference Result 1202 states and 1429 transitions. [2020-09-21 11:16:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-21 11:16:49,587 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 155 [2020-09-21 11:16:49,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:49,593 INFO L225 Difference]: With dead ends: 1202 [2020-09-21 11:16:49,593 INFO L226 Difference]: Without dead ends: 751 [2020-09-21 11:16:49,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=515, Invalid=1555, Unknown=0, NotChecked=0, Total=2070 [2020-09-21 11:16:49,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-09-21 11:16:49,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 666. [2020-09-21 11:16:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-09-21 11:16:49,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 758 transitions. [2020-09-21 11:16:49,714 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 758 transitions. Word has length 155 [2020-09-21 11:16:49,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:49,715 INFO L479 AbstractCegarLoop]: Abstraction has 666 states and 758 transitions. [2020-09-21 11:16:49,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 758 transitions. [2020-09-21 11:16:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-09-21 11:16:49,720 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:49,720 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:49,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:49,721 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:49,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:49,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1402201584, now seen corresponding path program 1 times [2020-09-21 11:16:49,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:49,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632026729] [2020-09-21 11:16:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-09-21 11:16:49,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:16:49,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:16:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-09-21 11:16:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:16:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0