/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:10,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:10,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:10,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:10,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:10,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:10,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:10,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:10,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:10,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:10,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:10,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:10,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:10,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:10,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:10,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:10,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:10,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:10,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:10,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:10,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:10,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:10,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:10,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:10,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:10,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:10,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:10,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:10,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:10,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:10,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:10,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:10,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:10,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:10,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:10,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:10,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:10,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:10,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:10,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:10,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:10,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:45:10,989 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:10,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:10,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:10,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:10,992 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:10,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:10,992 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:10,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:10,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:10,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:10,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:10,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:10,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:10,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:10,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:10,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:10,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:10,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:10,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:10,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:10,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:10,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:10,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:10,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:10,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:10,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:10,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:10,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:10,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:10,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:45:11,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:11,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:11,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:11,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:11,486 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:11,487 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-24 15:45:11,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d42a6172/1cf2e2845770476cbf17d15fe82c09e9/FLAG78a05d4ca [2020-09-24 15:45:12,248 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:12,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-24 15:45:12,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d42a6172/1cf2e2845770476cbf17d15fe82c09e9/FLAG78a05d4ca [2020-09-24 15:45:12,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d42a6172/1cf2e2845770476cbf17d15fe82c09e9 [2020-09-24 15:45:12,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:45:12,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:45:12,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:12,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:45:12,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:45:12,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:12" (1/1) ... [2020-09-24 15:45:12,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288b8053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:12, skipping insertion in model container [2020-09-24 15:45:12,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:12" (1/1) ... [2020-09-24 15:45:12,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:45:12,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:45:13,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:13,112 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:45:13,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:13,298 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:45:13,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13 WrapperNode [2020-09-24 15:45:13,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:13,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:45:13,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:45:13,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:45:13,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... [2020-09-24 15:45:13,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... [2020-09-24 15:45:13,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... [2020-09-24 15:45:13,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... [2020-09-24 15:45:13,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... [2020-09-24 15:45:13,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... [2020-09-24 15:45:13,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... [2020-09-24 15:45:13,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:45:13,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:45:13,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:45:13,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:45:13,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:45:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:45:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:45:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:45:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:45:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:45:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:45:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:45:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:45:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:45:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:45:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:45:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:45:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:45:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:45:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:45:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:45:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:45:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:45:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:45:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:45:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:45:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:45:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:45:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:45:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:45:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:45:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:45:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:45:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:45:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:45:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:45:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:45:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:45:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:45:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:45:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:45:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:45:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:45:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:45:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:45:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:45:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:45:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:45:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:45:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:45:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:45:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:45:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:45:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:45:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:45:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:45:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:45:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:45:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:45:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:45:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:45:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:45:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:45:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:45:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:45:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:45:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:45:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:45:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:45:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:45:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:45:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:45:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:45:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:45:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:45:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:45:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:45:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:45:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:45:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:45:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:45:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:45:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:45:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:45:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:45:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:45:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:45:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:45:14,842 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:45:14,843 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:45:14,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:14 BoogieIcfgContainer [2020-09-24 15:45:14,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:45:14,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:45:14,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:45:14,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:45:14,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:45:12" (1/3) ... [2020-09-24 15:45:14,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222ea165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:14, skipping insertion in model container [2020-09-24 15:45:14,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:13" (2/3) ... [2020-09-24 15:45:14,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222ea165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:14, skipping insertion in model container [2020-09-24 15:45:14,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:14" (3/3) ... [2020-09-24 15:45:14,864 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2020-09-24 15:45:14,878 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:45:14,893 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:45:14,916 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:45:14,951 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:45:14,951 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:45:14,951 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:45:14,951 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:45:14,952 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:45:14,952 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:45:14,952 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:45:14,952 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:45:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-24 15:45:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:45:15,005 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:15,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:15,007 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:15,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:15,016 INFO L82 PathProgramCache]: Analyzing trace with hash -436184323, now seen corresponding path program 1 times [2020-09-24 15:45:15,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:15,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73840391] [2020-09-24 15:45:15,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:45:15,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:45:15,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:45:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:15,911 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:15,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:15,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:15,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:16,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:16,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:16,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:16,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:16,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:16,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:16,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:16,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:16,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:16,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73840391] [2020-09-24 15:45:16,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:16,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:45:16,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961074910] [2020-09-24 15:45:16,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:45:16,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:16,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:45:16,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:16,155 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 4 states. [2020-09-24 15:45:17,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:17,494 INFO L93 Difference]: Finished difference Result 499 states and 589 transitions. [2020-09-24 15:45:17,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:17,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:17,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:17,524 INFO L225 Difference]: With dead ends: 499 [2020-09-24 15:45:17,525 INFO L226 Difference]: Without dead ends: 318 [2020-09-24 15:45:17,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:17,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-24 15:45:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 266. [2020-09-24 15:45:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-09-24 15:45:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 288 transitions. [2020-09-24 15:45:17,644 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 288 transitions. Word has length 148 [2020-09-24 15:45:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:17,645 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 288 transitions. [2020-09-24 15:45:17,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 288 transitions. [2020-09-24 15:45:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:17,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:17,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:17,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:17,651 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:17,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:17,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1204536532, now seen corresponding path program 1 times [2020-09-24 15:45:17,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:17,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85149004] [2020-09-24 15:45:17,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:17,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:17,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:17,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,131 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:18,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:18,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:18,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:18,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:18,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:18,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:18,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:18,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:18,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:18,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:18,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:18,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:18,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:18,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:18,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85149004] [2020-09-24 15:45:18,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:18,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:18,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867096653] [2020-09-24 15:45:18,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:18,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:18,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:18,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:18,301 INFO L87 Difference]: Start difference. First operand 266 states and 288 transitions. Second operand 5 states. [2020-09-24 15:45:19,060 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:20,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:20,239 INFO L93 Difference]: Finished difference Result 415 states and 470 transitions. [2020-09-24 15:45:20,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:20,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:20,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:20,248 INFO L225 Difference]: With dead ends: 415 [2020-09-24 15:45:20,252 INFO L226 Difference]: Without dead ends: 307 [2020-09-24 15:45:20,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:20,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-24 15:45:20,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 256. [2020-09-24 15:45:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-24 15:45:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 275 transitions. [2020-09-24 15:45:20,316 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 275 transitions. Word has length 149 [2020-09-24 15:45:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:20,317 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 275 transitions. [2020-09-24 15:45:20,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 275 transitions. [2020-09-24 15:45:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:45:20,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:20,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:20,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:20,321 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1794035067, now seen corresponding path program 1 times [2020-09-24 15:45:20,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:20,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385544437] [2020-09-24 15:45:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:20,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:45:20,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:45:20,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 15:45:20,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:20,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:45:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,715 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:20,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 35 [2020-09-24 15:45:20,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:20,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:45:20,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:20,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:20,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:20,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:45:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:20,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:20,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:20,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:20,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:20,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:20,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:45:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:20,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:20,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:20,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:20,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:20,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:20,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:20,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:20,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:20,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:20,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:20,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:20,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385544437] [2020-09-24 15:45:20,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:20,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:45:20,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686877242] [2020-09-24 15:45:20,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:45:20,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:20,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:45:20,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:45:20,945 INFO L87 Difference]: Start difference. First operand 256 states and 275 transitions. Second operand 6 states. [2020-09-24 15:45:21,635 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:23,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:23,623 INFO L93 Difference]: Finished difference Result 622 states and 723 transitions. [2020-09-24 15:45:23,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:45:23,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 15:45:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:23,628 INFO L225 Difference]: With dead ends: 622 [2020-09-24 15:45:23,629 INFO L226 Difference]: Without dead ends: 481 [2020-09-24 15:45:23,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:23,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-24 15:45:23,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 381. [2020-09-24 15:45:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-24 15:45:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 418 transitions. [2020-09-24 15:45:23,697 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 418 transitions. Word has length 162 [2020-09-24 15:45:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:23,698 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 418 transitions. [2020-09-24 15:45:23,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:45:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 418 transitions. [2020-09-24 15:45:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:45:23,701 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:23,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:23,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:23,702 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:23,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:23,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1969407122, now seen corresponding path program 1 times [2020-09-24 15:45:23,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:23,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487737285] [2020-09-24 15:45:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:45:23,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:45:23,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:45:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 15:45:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,237 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:24,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:24,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:24,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:45:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:24,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:24,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:24,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:24,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:24,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:24,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:24,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:24,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:24,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:24,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:24,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:45:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:24,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:24,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:24,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:45:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:24,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:24,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:24,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:24,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:45:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:24,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:24,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487737285] [2020-09-24 15:45:24,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:24,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:24,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183153732] [2020-09-24 15:45:24,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:24,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:24,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:24,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:24,486 INFO L87 Difference]: Start difference. First operand 381 states and 418 transitions. Second operand 10 states. [2020-09-24 15:45:25,076 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:26,805 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:27,163 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:27,543 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:27,897 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:28,239 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:28,597 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:28,913 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:29,394 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:30,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:30,951 INFO L93 Difference]: Finished difference Result 1042 states and 1248 transitions. [2020-09-24 15:45:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:30,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 15:45:30,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:30,963 INFO L225 Difference]: With dead ends: 1042 [2020-09-24 15:45:30,964 INFO L226 Difference]: Without dead ends: 776 [2020-09-24 15:45:30,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:30,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-09-24 15:45:31,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 614. [2020-09-24 15:45:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-09-24 15:45:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 683 transitions. [2020-09-24 15:45:31,085 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 683 transitions. Word has length 167 [2020-09-24 15:45:31,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:31,086 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 683 transitions. [2020-09-24 15:45:31,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 683 transitions. [2020-09-24 15:45:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:45:31,089 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:31,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:31,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:31,090 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:31,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:31,090 INFO L82 PathProgramCache]: Analyzing trace with hash 515321639, now seen corresponding path program 1 times [2020-09-24 15:45:31,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:31,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194374465] [2020-09-24 15:45:31,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-24 15:45:31,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,554 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:31,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:31,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:45:31,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:31,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:31,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:31,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:31,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:45:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:31,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:31,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:45:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:31,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:31,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:31,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:31,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194374465] [2020-09-24 15:45:31,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:31,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:31,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369896686] [2020-09-24 15:45:31,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:31,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:31,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:31,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:31,793 INFO L87 Difference]: Start difference. First operand 614 states and 683 transitions. Second operand 11 states. [2020-09-24 15:45:32,443 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:33,793 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:34,113 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:34,522 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:34,880 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:35,201 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:36,035 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:36,319 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:36,660 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:37,895 INFO L93 Difference]: Finished difference Result 1660 states and 2032 transitions. [2020-09-24 15:45:37,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:45:37,896 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 15:45:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:37,904 INFO L225 Difference]: With dead ends: 1660 [2020-09-24 15:45:37,904 INFO L226 Difference]: Without dead ends: 1161 [2020-09-24 15:45:37,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:45:37,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-09-24 15:45:38,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 900. [2020-09-24 15:45:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-09-24 15:45:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1015 transitions. [2020-09-24 15:45:38,033 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1015 transitions. Word has length 172 [2020-09-24 15:45:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:38,034 INFO L479 AbstractCegarLoop]: Abstraction has 900 states and 1015 transitions. [2020-09-24 15:45:38,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1015 transitions. [2020-09-24 15:45:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:45:38,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:38,040 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:38,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:45:38,040 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:38,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:38,041 INFO L82 PathProgramCache]: Analyzing trace with hash 975143304, now seen corresponding path program 1 times [2020-09-24 15:45:38,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:38,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458334633] [2020-09-24 15:45:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:45:38,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:38,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-24 15:45:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,465 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:38,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:38,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:38,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:38,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:38,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:45:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:38,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:45:38,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:38,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:38,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:38,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:38,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:38,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:38,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:38,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:45:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:45:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:38,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:45:38,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458334633] [2020-09-24 15:45:38,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:38,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:45:38,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319431134] [2020-09-24 15:45:38,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:45:38,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:38,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:45:38,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:45:38,830 INFO L87 Difference]: Start difference. First operand 900 states and 1015 transitions. Second operand 12 states. [2020-09-24 15:45:40,504 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:40,784 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:41,086 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:41,484 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:41,852 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:42,163 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:43,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:43,531 INFO L93 Difference]: Finished difference Result 2252 states and 2854 transitions. [2020-09-24 15:45:43,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:45:43,531 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 222 [2020-09-24 15:45:43,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:43,541 INFO L225 Difference]: With dead ends: 2252 [2020-09-24 15:45:43,542 INFO L226 Difference]: Without dead ends: 1467 [2020-09-24 15:45:43,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:45:43,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2020-09-24 15:45:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 938. [2020-09-24 15:45:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-09-24 15:45:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1053 transitions. [2020-09-24 15:45:43,672 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1053 transitions. Word has length 222 [2020-09-24 15:45:43,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:43,672 INFO L479 AbstractCegarLoop]: Abstraction has 938 states and 1053 transitions. [2020-09-24 15:45:43,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:45:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1053 transitions. [2020-09-24 15:45:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:45:43,677 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:43,677 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:43,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:43,678 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:43,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:43,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1880024600, now seen corresponding path program 1 times [2020-09-24 15:45:43,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:43,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880138941] [2020-09-24 15:45:43,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:43,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -79 [2020-09-24 15:45:43,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 79 [2020-09-24 15:45:43,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:45:43,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:43,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-24 15:45:43,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:43,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,036 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:44,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:44,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:44,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:44,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:44,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:44,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:44,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:44,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:44,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:45:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:44,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:44,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:44,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:44,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:44,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:44,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:44,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:44,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:44,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:44,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:44,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:44,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:44,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:45:44,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:44,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:44,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:44,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:44,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:45:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:45:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:45:44,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880138941] [2020-09-24 15:45:44,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:44,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:44,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440453315] [2020-09-24 15:45:44,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:44,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:44,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:44,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:44,308 INFO L87 Difference]: Start difference. First operand 938 states and 1053 transitions. Second operand 11 states. [2020-09-24 15:45:45,694 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:46,007 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:46,358 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:46,729 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:47,034 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:49,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:49,070 INFO L93 Difference]: Finished difference Result 2326 states and 2924 transitions. [2020-09-24 15:45:49,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:49,070 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2020-09-24 15:45:49,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:49,082 INFO L225 Difference]: With dead ends: 2326 [2020-09-24 15:45:49,082 INFO L226 Difference]: Without dead ends: 1503 [2020-09-24 15:45:49,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:45:49,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2020-09-24 15:45:49,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 962. [2020-09-24 15:45:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2020-09-24 15:45:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1077 transitions. [2020-09-24 15:45:49,263 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1077 transitions. Word has length 222 [2020-09-24 15:45:49,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:49,264 INFO L479 AbstractCegarLoop]: Abstraction has 962 states and 1077 transitions. [2020-09-24 15:45:49,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1077 transitions. [2020-09-24 15:45:49,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:45:49,268 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:49,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:49,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:49,269 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:49,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:49,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1794470949, now seen corresponding path program 1 times [2020-09-24 15:45:49,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:49,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820996388] [2020-09-24 15:45:49,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:45:49,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:45:49,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:49,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:45:49,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:45:49,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,660 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:49,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:49,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:49,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:49,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:49,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:49,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:49,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:49,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:49,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:49,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:49,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:49,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:49,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:49,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:49,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:45:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:49,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:45:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:45:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:49,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:49,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:49,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:49,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:45:49,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:49,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:49,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:49,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:45:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:49,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:45:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:49,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:49,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:49,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:49,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:49,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:49,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:49,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:45:50,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820996388] [2020-09-24 15:45:50,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:50,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:45:50,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247636124] [2020-09-24 15:45:50,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:45:50,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:50,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:45:50,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:45:50,036 INFO L87 Difference]: Start difference. First operand 962 states and 1077 transitions. Second operand 9 states. [2020-09-24 15:45:50,613 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:51,273 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:55,804 INFO L93 Difference]: Finished difference Result 3607 states and 4596 transitions. [2020-09-24 15:45:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-24 15:45:55,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2020-09-24 15:45:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:55,820 INFO L225 Difference]: With dead ends: 3607 [2020-09-24 15:45:55,821 INFO L226 Difference]: Without dead ends: 2760 [2020-09-24 15:45:55,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2020-09-24 15:45:55,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2020-09-24 15:45:56,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 1898. [2020-09-24 15:45:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1898 states. [2020-09-24 15:45:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 2155 transitions. [2020-09-24 15:45:56,134 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 2155 transitions. Word has length 222 [2020-09-24 15:45:56,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:56,134 INFO L479 AbstractCegarLoop]: Abstraction has 1898 states and 2155 transitions. [2020-09-24 15:45:56,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:45:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2155 transitions. [2020-09-24 15:45:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-24 15:45:56,139 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:56,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:56,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:45:56,140 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:56,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:56,140 INFO L82 PathProgramCache]: Analyzing trace with hash -788516918, now seen corresponding path program 1 times [2020-09-24 15:45:56,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:56,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916870865] [2020-09-24 15:45:56,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:56,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -52 [2020-09-24 15:45:56,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 52 [2020-09-24 15:45:56,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-09-24 15:45:56,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:56,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:56,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-24 15:45:56,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:56,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,546 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:56,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:56,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:56,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:56,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:56,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:56,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:56,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:56,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:56,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:56,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:56,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:56,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:56,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:45:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 15:45:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:56,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:45:56,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:56,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 15:45:56,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:45:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:56,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:56,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:56,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:45:56,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:45:56,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:56,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:56,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:45:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:45:56,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:56,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:56,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:56,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:56,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:56,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:45:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:56,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:56,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:56,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:45:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:56,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:56,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:56,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:56,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:56,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:56,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:56,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:56,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:45:56,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916870865] [2020-09-24 15:45:56,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:45:56,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:45:56,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62678435] [2020-09-24 15:45:56,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:45:56,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:56,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:45:56,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:45:56,964 INFO L87 Difference]: Start difference. First operand 1898 states and 2155 transitions. Second operand 17 states. [2020-09-24 15:45:57,648 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:58,822 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:59,739 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:00,111 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:46:00,600 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:00,965 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:02,756 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:03,195 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:46:03,509 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:03,830 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:46:04,165 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:04,589 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:04,916 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:05,303 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:05,967 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 15:46:06,656 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 15:46:07,336 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191