/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_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:53:05,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:53:05,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:53:05,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:53:05,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:53:05,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:53:05,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:53:05,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:53:05,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:53:05,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:53:05,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:53:05,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:53:05,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:53:05,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:53:05,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:53:05,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:53:05,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:53:05,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:53:05,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:53:05,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:53:05,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:53:05,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:53:05,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:53:05,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:53:05,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:53:05,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:53:05,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:53:05,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:53:05,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:53:05,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:53:05,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:53:05,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:53:05,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:53:05,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:53:05,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:53:05,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:53:05,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:53:05,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:53:05,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:53:05,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:53:05,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:53:05,494 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 15:53:05,547 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:53:05,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:53:05,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:53:05,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:53:05,549 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:53:05,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:53:05,551 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:53:05,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:53:05,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:53:05,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:53:05,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:53:05,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:53:05,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:53:05,553 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:53:05,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:53:05,554 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:53:05,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:53:05,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:53:05,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:53:05,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:53:05,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:53:05,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:53:05,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:53:05,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:53:05,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:53:05,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:53:05,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:53:05,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:53:05,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:53:05,557 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 15:53:05,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:53:06,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:53:06,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:53:06,018 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:53:06,019 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:53:06,020 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-24 15:53:06,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b520bd5b5/978a9939a92447c28fa8f8db63ddd1e0/FLAG61b7ab883 [2020-09-24 15:53:06,679 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:53:06,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-24 15:53:06,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b520bd5b5/978a9939a92447c28fa8f8db63ddd1e0/FLAG61b7ab883 [2020-09-24 15:53:06,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b520bd5b5/978a9939a92447c28fa8f8db63ddd1e0 [2020-09-24 15:53:06,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:53:06,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:53:06,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:06,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:53:06,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:53:06,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:06" (1/1) ... [2020-09-24 15:53:06,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:06, skipping insertion in model container [2020-09-24 15:53:06,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:06" (1/1) ... [2020-09-24 15:53:07,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:53:07,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:53:07,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:07,656 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:53:07,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:07,822 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:53:07,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07 WrapperNode [2020-09-24 15:53:07,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:07,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:53:07,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:53:07,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:53:07,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (1/1) ... [2020-09-24 15:53:07,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (1/1) ... [2020-09-24 15:53:07,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (1/1) ... [2020-09-24 15:53:07,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (1/1) ... [2020-09-24 15:53:07,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (1/1) ... [2020-09-24 15:53:07,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (1/1) ... [2020-09-24 15:53:07,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (1/1) ... [2020-09-24 15:53:07,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:53:07,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:53:07,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:53:07,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:53:07,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (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 15:53:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:53:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:53:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:53:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:53:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:53:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:53:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:53:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:53:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:53:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:53:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:53:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:53:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:53:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:53:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:53:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:53:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:53:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:53:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:53:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:53:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:53:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:53:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:53:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:53:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:53:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:53:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:53:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:53:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:53:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:53:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:53:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:53:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:53:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:53:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:53:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:53:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:53:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:53:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:53:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:53:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:53:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:53:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:53:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:53:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:53:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:53:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:53:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:53:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:53:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:53:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:53:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:53:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:53:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:53:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:53:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:53:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:53:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:53:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:53:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:53:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:53:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:53:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:53:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:53:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:53:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:53:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:53:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:53:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:53:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:53:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:53:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:53:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:53:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:53:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:53:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:53:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:53:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:53:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:53:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:53:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:53:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:53:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:53:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:53:09,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:53:09,346 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:53:09,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:09 BoogieIcfgContainer [2020-09-24 15:53:09,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:53:09,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:53:09,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:53:09,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:53:09,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:53:06" (1/3) ... [2020-09-24 15:53:09,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7956079d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:09, skipping insertion in model container [2020-09-24 15:53:09,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:07" (2/3) ... [2020-09-24 15:53:09,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7956079d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:09, skipping insertion in model container [2020-09-24 15:53:09,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:09" (3/3) ... [2020-09-24 15:53:09,369 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-09-24 15:53:09,381 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:53:09,396 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:53:09,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:53:09,453 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:53:09,454 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:53:09,454 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:53:09,454 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:53:09,454 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:53:09,454 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:53:09,455 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:53:09,455 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:53:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-24 15:53:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:53:09,504 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:09,505 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] [2020-09-24 15:53:09,506 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:09,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:09,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1626360374, now seen corresponding path program 1 times [2020-09-24 15:53:09,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:09,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910265167] [2020-09-24 15:53:09,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:53:09,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:53:09,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:09,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:53:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 15:53:10,470 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:10,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:10,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:10,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:10,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:10,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:10,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:10,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:53:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:10,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:10,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:53:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:10,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:53:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:10,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:10,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:10,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:10,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:10,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:10,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:10,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:10,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:10,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:10,705 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 15:53:10,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910265167] [2020-09-24 15:53:10,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:10,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:53:10,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150755707] [2020-09-24 15:53:10,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:53:10,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:10,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:53:10,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:10,738 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 4 states. [2020-09-24 15:53:12,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:12,102 INFO L93 Difference]: Finished difference Result 520 states and 612 transitions. [2020-09-24 15:53:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:53:12,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:53:12,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:12,129 INFO L225 Difference]: With dead ends: 520 [2020-09-24 15:53:12,129 INFO L226 Difference]: Without dead ends: 327 [2020-09-24 15:53:12,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-24 15:53:12,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 278. [2020-09-24 15:53:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-09-24 15:53:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 303 transitions. [2020-09-24 15:53:12,271 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 303 transitions. Word has length 160 [2020-09-24 15:53:12,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:12,273 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 303 transitions. [2020-09-24 15:53:12,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:53:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 303 transitions. [2020-09-24 15:53:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:53:12,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:12,279 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] [2020-09-24 15:53:12,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:53:12,279 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:12,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:12,280 INFO L82 PathProgramCache]: Analyzing trace with hash 170941695, now seen corresponding path program 1 times [2020-09-24 15:53:12,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:12,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159717672] [2020-09-24 15:53:12,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:53:12,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:53:12,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:12,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:53:12,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:12,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,809 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:12,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:12,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:12,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:12,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:12,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:12,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,957 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 15:53:12,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159717672] [2020-09-24 15:53:12,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:12,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:12,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752251726] [2020-09-24 15:53:12,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:12,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:12,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:12,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:12,962 INFO L87 Difference]: Start difference. First operand 278 states and 303 transitions. Second operand 5 states. [2020-09-24 15:53:13,746 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:14,896 INFO L93 Difference]: Finished difference Result 439 states and 496 transitions. [2020-09-24 15:53:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:14,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:53:14,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:14,903 INFO L225 Difference]: With dead ends: 439 [2020-09-24 15:53:14,903 INFO L226 Difference]: Without dead ends: 316 [2020-09-24 15:53:14,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 15:53:14,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-09-24 15:53:14,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 268. [2020-09-24 15:53:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-24 15:53:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-09-24 15:53:14,951 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 161 [2020-09-24 15:53:14,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:14,952 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-09-24 15:53:14,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-09-24 15:53:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:53:14,956 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:14,956 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] [2020-09-24 15:53:14,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:53:14,957 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:14,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:14,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1075710309, now seen corresponding path program 1 times [2020-09-24 15:53:14,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:14,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822108419] [2020-09-24 15:53:14,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:53:15,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:15,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:53:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:53:15,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,376 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:15,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:15,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:15,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:15,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:15,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:15,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:15,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:15,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:15,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:15,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:15,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:53:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:53:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:15,582 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 15:53:15,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822108419] [2020-09-24 15:53:15,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:15,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:53:15,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436924483] [2020-09-24 15:53:15,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:53:15,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:15,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:53:15,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:53:15,584 INFO L87 Difference]: Start difference. First operand 268 states and 290 transitions. Second operand 6 states. [2020-09-24 15:53:16,155 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:18,413 INFO L93 Difference]: Finished difference Result 652 states and 756 transitions. [2020-09-24 15:53:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:53:18,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:53:18,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:18,420 INFO L225 Difference]: With dead ends: 652 [2020-09-24 15:53:18,420 INFO L226 Difference]: Without dead ends: 499 [2020-09-24 15:53:18,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 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 15:53:18,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-09-24 15:53:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 411. [2020-09-24 15:53:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-24 15:53:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 456 transitions. [2020-09-24 15:53:18,494 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 456 transitions. Word has length 174 [2020-09-24 15:53:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:18,495 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 456 transitions. [2020-09-24 15:53:18,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:53:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 456 transitions. [2020-09-24 15:53:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:53:18,498 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:18,499 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] [2020-09-24 15:53:18,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:18,499 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:18,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash 872929662, now seen corresponding path program 1 times [2020-09-24 15:53:18,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:18,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110521152] [2020-09-24 15:53:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:53:18,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:53:18,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:53:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:53:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-24 15:53:18,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,028 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:19,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:53:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:19,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:19,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:19,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:53:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:19,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:19,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:19,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:53:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:53:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:53:19,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:19,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:19,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110521152] [2020-09-24 15:53:19,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:19,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:19,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172138185] [2020-09-24 15:53:19,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:19,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:19,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:19,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:19,328 INFO L87 Difference]: Start difference. First operand 411 states and 456 transitions. Second operand 10 states. [2020-09-24 15:53:19,926 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:21,026 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:21,335 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:22,497 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:22,835 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:23,206 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:23,946 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:24,270 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:24,631 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:25,246 INFO L93 Difference]: Finished difference Result 978 states and 1171 transitions. [2020-09-24 15:53:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:53:25,248 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:53:25,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:25,254 INFO L225 Difference]: With dead ends: 978 [2020-09-24 15:53:25,254 INFO L226 Difference]: Without dead ends: 682 [2020-09-24 15:53:25,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:25,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-09-24 15:53:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 595. [2020-09-24 15:53:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-09-24 15:53:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 670 transitions. [2020-09-24 15:53:25,356 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 670 transitions. Word has length 179 [2020-09-24 15:53:25,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:25,357 INFO L479 AbstractCegarLoop]: Abstraction has 595 states and 670 transitions. [2020-09-24 15:53:25,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 670 transitions. [2020-09-24 15:53:25,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:53:25,361 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:25,361 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] [2020-09-24 15:53:25,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:25,362 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:25,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:25,362 INFO L82 PathProgramCache]: Analyzing trace with hash 780568910, now seen corresponding path program 1 times [2020-09-24 15:53:25,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:25,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693397326] [2020-09-24 15:53:25,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:53:25,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:25,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-24 15:53:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,726 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:25,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:25,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:25,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:25,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:25,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:25,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:25,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:25,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:53:25,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:53:25,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:53:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:25,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:53:25,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:25,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:25,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:25,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:26,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:26,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:26,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:53:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:53:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,100 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 15:53:26,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693397326] [2020-09-24 15:53:26,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:26,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:26,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915460429] [2020-09-24 15:53:26,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:26,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:26,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:26,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:26,103 INFO L87 Difference]: Start difference. First operand 595 states and 670 transitions. Second operand 11 states. [2020-09-24 15:53:27,787 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:28,111 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:28,454 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:53:28,778 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:29,157 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:29,462 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:30,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:30,586 INFO L93 Difference]: Finished difference Result 1260 states and 1513 transitions. [2020-09-24 15:53:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:53:30,587 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-24 15:53:30,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:30,595 INFO L225 Difference]: With dead ends: 1260 [2020-09-24 15:53:30,596 INFO L226 Difference]: Without dead ends: 780 [2020-09-24 15:53:30,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:53:30,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-09-24 15:53:30,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 614. [2020-09-24 15:53:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-09-24 15:53:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 690 transitions. [2020-09-24 15:53:30,684 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 690 transitions. Word has length 212 [2020-09-24 15:53:30,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:30,684 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 690 transitions. [2020-09-24 15:53:30,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 690 transitions. [2020-09-24 15:53:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:53:30,688 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:30,688 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] [2020-09-24 15:53:30,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:30,689 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:30,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:30,689 INFO L82 PathProgramCache]: Analyzing trace with hash 655364526, now seen corresponding path program 1 times [2020-09-24 15:53:30,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:30,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745435977] [2020-09-24 15:53:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:30,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -93 [2020-09-24 15:53:30,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 93 [2020-09-24 15:53:30,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:53:30,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:30,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:30,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 15:53:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:30,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,056 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:31,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:31,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:31,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:31,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:31,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:31,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:31,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:53:31,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:31,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:53:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:31,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:31,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:31,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:31,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 15:53:31,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:31,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:53:31,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:31,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:31,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:31,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:53:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:53:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,427 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 15:53:31,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745435977] [2020-09-24 15:53:31,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:31,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:31,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599160082] [2020-09-24 15:53:31,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:31,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:31,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:31,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:31,430 INFO L87 Difference]: Start difference. First operand 614 states and 690 transitions. Second operand 10 states. [2020-09-24 15:53:32,861 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:33,158 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:33,479 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:33,819 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:34,150 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:35,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:35,286 INFO L93 Difference]: Finished difference Result 1301 states and 1578 transitions. [2020-09-24 15:53:35,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:35,287 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-24 15:53:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:35,293 INFO L225 Difference]: With dead ends: 1301 [2020-09-24 15:53:35,294 INFO L226 Difference]: Without dead ends: 802 [2020-09-24 15:53:35,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:53:35,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-09-24 15:53:35,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 626. [2020-09-24 15:53:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-09-24 15:53:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 702 transitions. [2020-09-24 15:53:35,405 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 702 transitions. Word has length 212 [2020-09-24 15:53:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:35,406 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 702 transitions. [2020-09-24 15:53:35,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 702 transitions. [2020-09-24 15:53:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:53:35,410 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:35,410 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] [2020-09-24 15:53:35,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:35,411 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:35,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:35,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1345858667, now seen corresponding path program 1 times [2020-09-24 15:53:35,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:35,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892392503] [2020-09-24 15:53:35,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:53:35,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:53:35,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:53:35,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,818 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:35,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:35,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:35,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:35,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:35,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:35,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:35,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:35,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:35,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:35,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:35,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:35,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:35,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:53:36,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:36,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:36,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:36,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:36,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:36,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:36,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:36,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:36,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:36,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:53:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:53:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,140 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 15:53:36,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892392503] [2020-09-24 15:53:36,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:36,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:36,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998564655] [2020-09-24 15:53:36,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:36,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:36,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:36,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:36,146 INFO L87 Difference]: Start difference. First operand 626 states and 702 transitions. Second operand 8 states. [2020-09-24 15:53:36,710 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:37,436 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:40,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:40,592 INFO L93 Difference]: Finished difference Result 1941 states and 2385 transitions. [2020-09-24 15:53:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:53:40,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-09-24 15:53:40,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:40,606 INFO L225 Difference]: With dead ends: 1941 [2020-09-24 15:53:40,606 INFO L226 Difference]: Without dead ends: 1430 [2020-09-24 15:53:40,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:53:40,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2020-09-24 15:53:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1183. [2020-09-24 15:53:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-09-24 15:53:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1349 transitions. [2020-09-24 15:53:40,751 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1349 transitions. Word has length 212 [2020-09-24 15:53:40,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:40,751 INFO L479 AbstractCegarLoop]: Abstraction has 1183 states and 1349 transitions. [2020-09-24 15:53:40,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1349 transitions. [2020-09-24 15:53:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:53:40,757 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:40,757 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] [2020-09-24 15:53:40,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:40,758 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash 139212264, now seen corresponding path program 1 times [2020-09-24 15:53:40,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:40,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917167055] [2020-09-24 15:53:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -72 [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 72 [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:53:40,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 15:53:40,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-24 15:53:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:41,265 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:41,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:41,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:41,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:41,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:41,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:41,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:41,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:41,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:41,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:41,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:41,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:41,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:41,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:41,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:41,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:41,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:53:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:41,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:53:41,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:41,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:53:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:41,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:41,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:41,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:41,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:41,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:41,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:53:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,668 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 15:53:41,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917167055] [2020-09-24 15:53:41,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:41,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:53:41,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239941954] [2020-09-24 15:53:41,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:41,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:41,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:41,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:41,671 INFO L87 Difference]: Start difference. First operand 1183 states and 1349 transitions. Second operand 15 states. [2020-09-24 15:53:42,325 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:43,189 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:44,724 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:53:45,399 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 15:53:45,775 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:46,136 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:46,528 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:46,867 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:49,434 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:49,993 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:53:50,778 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:51,240 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:52,377 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-24 15:53:53,026 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-24 15:53:53,634 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:53:54,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:54,880 INFO L93 Difference]: Finished difference Result 3874 states and 4739 transitions. [2020-09-24 15:53:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-24 15:53:54,882 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-09-24 15:53:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:54,898 INFO L225 Difference]: With dead ends: 3874 [2020-09-24 15:53:54,898 INFO L226 Difference]: Without dead ends: 3021 [2020-09-24 15:53:54,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=819, Invalid=3087, Unknown=0, NotChecked=0, Total=3906 [2020-09-24 15:53:54,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2020-09-24 15:53:55,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 2366. [2020-09-24 15:53:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2366 states. [2020-09-24 15:53:55,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 2679 transitions. [2020-09-24 15:53:55,192 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 2679 transitions. Word has length 217 [2020-09-24 15:53:55,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:55,192 INFO L479 AbstractCegarLoop]: Abstraction has 2366 states and 2679 transitions. [2020-09-24 15:53:55,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:53:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2679 transitions. [2020-09-24 15:53:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-09-24 15:53:55,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:55,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:55,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:53:55,197 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:55,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:55,198 INFO L82 PathProgramCache]: Analyzing trace with hash -825100860, now seen corresponding path program 1 times [2020-09-24 15:53:55,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:55,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130259575] [2020-09-24 15:53:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-09-24 15:53:55,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:55,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:53:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:53:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,594 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:55,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:55,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:55,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:55,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:55,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:55,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:55,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:55,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:55,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:55,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:55,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:53:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:53:55,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:55,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:53:55,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:53:55,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:55,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:55,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:53:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:53:55,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:55,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:53:55,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:55,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:55,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:55,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:55,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-24 15:53:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:55,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:53:55,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:53:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:55,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:55,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-24 15:53:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:55,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:55,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:53:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:53:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:55,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 15:53:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:53:55,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130259575] [2020-09-24 15:53:55,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:55,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:55,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114670239] [2020-09-24 15:53:55,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:55,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:55,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:55,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:55,915 INFO L87 Difference]: Start difference. First operand 2366 states and 2679 transitions. Second operand 10 states. [2020-09-24 15:53:56,470 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:57,393 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:59,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:59,372 INFO L93 Difference]: Finished difference Result 4046 states and 4642 transitions. [2020-09-24 15:53:59,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:53:59,373 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2020-09-24 15:53:59,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:59,382 INFO L225 Difference]: With dead ends: 4046 [2020-09-24 15:53:59,382 INFO L226 Difference]: Without dead ends: 1795 [2020-09-24 15:53:59,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2020-09-24 15:53:59,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2020-09-24 15:53:59,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1621. [2020-09-24 15:53:59,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1621 states. [2020-09-24 15:53:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1621 states and 1808 transitions. [2020-09-24 15:53:59,609 INFO L78 Accepts]: Start accepts. Automaton has 1621 states and 1808 transitions. Word has length 277 [2020-09-24 15:53:59,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:59,610 INFO L479 AbstractCegarLoop]: Abstraction has 1621 states and 1808 transitions. [2020-09-24 15:53:59,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 1808 transitions. [2020-09-24 15:53:59,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-24 15:53:59,615 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:59,616 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:59,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:53:59,616 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:59,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:59,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1028172533, now seen corresponding path program 1 times [2020-09-24 15:53:59,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:59,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802654383] [2020-09-24 15:53:59,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:59,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:59,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-24 15:53:59,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-24 15:53:59,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:59,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-09-24 15:53:59,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:59,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:53:59,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:53:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 225 [2020-09-24 15:53:59,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-24 15:53:59,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,042 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:00,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:00,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:00,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:00,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:00,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:00,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:00,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:00,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:00,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:54:00,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:54:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:00,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:00,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:00,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:54:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:54:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:00,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:00,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:00,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-24 15:54:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:00,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:54:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:00,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:00,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:54:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:00,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:00,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:54:00,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 15:54:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:00,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 15:54:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:00,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:54:00,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:00,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:54:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:54:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:00,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-24 15:54:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:00,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-24 15:54:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 15:54:00,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802654383] [2020-09-24 15:54:00,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:54:00,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:54:00,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569910595] [2020-09-24 15:54:00,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:00,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:00,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:00,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:00,665 INFO L87 Difference]: Start difference. First operand 1621 states and 1808 transitions. Second operand 15 states. [2020-09-24 15:54:02,157 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-24 15:54:02,680 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:03,017 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196