/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:12:12,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:12:12,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:12:12,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:12:12,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:12:12,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:12:12,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:12:12,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:12:12,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:12:12,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:12:12,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:12:12,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:12:12,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:12:12,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:12:12,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:12:12,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:12:12,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:12:12,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:12:12,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:12:12,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:12:12,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:12:12,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:12:12,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:12:12,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:12:12,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:12:12,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:12:12,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:12:12,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:12:12,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:12:12,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:12:12,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:12:12,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:12:12,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:12:12,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:12:12,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:12:12,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:12:12,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:12:12,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:12:12,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:12:12,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:12:12,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:12:12,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:12:12,554 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:12:12,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:12:12,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:12:12,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:12:12,556 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:12:12,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:12:12,556 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:12:12,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:12:12,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:12:12,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:12:12,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:12:12,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:12:12,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:12:12,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:12:12,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:12:12,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:12:12,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:12:12,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:12:12,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:12:12,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:12:12,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:12:12,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:12:12,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:12:12,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:12:12,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:12:12,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:12:12,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:12:12,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:12:12,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:12:12,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:12:13,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:12:13,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:12:13,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:12:13,045 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:12:13,046 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:12:13,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-09-21 11:12:13,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e404bbc4/e0b9b32b6a914d0d95f88c0f0296a57c/FLAG63f9a456a [2020-09-21 11:12:13,735 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:12:13,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-09-21 11:12:13,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e404bbc4/e0b9b32b6a914d0d95f88c0f0296a57c/FLAG63f9a456a [2020-09-21 11:12:14,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e404bbc4/e0b9b32b6a914d0d95f88c0f0296a57c [2020-09-21 11:12:14,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:12:14,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:12:14,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:14,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:12:14,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:12:14,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c40fe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14, skipping insertion in model container [2020-09-21 11:12:14,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:12:14,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:12:14,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:14,486 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:12:14,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:14,704 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:12:14,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14 WrapperNode [2020-09-21 11:12:14,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:14,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:12:14,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:12:14,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:12:14,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... [2020-09-21 11:12:14,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:12:14,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:12:14,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:12:14,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:12:14,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:12:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:12:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:12:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:12:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:12:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:12:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:12:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:12:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:12:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:12:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:12:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:12:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:12:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:12:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:12:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:12:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:12:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:12:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:12:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:12:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:12:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:12:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:12:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:12:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:12:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:12:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:12:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:12:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:12:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:12:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:12:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:12:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:12:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:12:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:12:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:12:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:12:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:12:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:12:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:12:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:12:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:12:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:12:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:12:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:12:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:12:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:12:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:12:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:12:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:12:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:12:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:12:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:12:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:12:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:12:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:12:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:12:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:12:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:12:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:12:15,959 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:12:15,959 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:12:15,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:15 BoogieIcfgContainer [2020-09-21 11:12:15,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:12:15,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:12:15,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:12:15,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:12:15,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:12:14" (1/3) ... [2020-09-21 11:12:15,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4e621a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:15, skipping insertion in model container [2020-09-21 11:12:15,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:14" (2/3) ... [2020-09-21 11:12:15,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4e621a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:15, skipping insertion in model container [2020-09-21 11:12:15,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:15" (3/3) ... [2020-09-21 11:12:15,975 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-09-21 11:12:15,987 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:12:15,998 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:12:16,021 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:12:16,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:12:16,053 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:12:16,053 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:12:16,053 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:12:16,053 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:12:16,053 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:12:16,053 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:12:16,054 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:12:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-09-21 11:12:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:12:16,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:16,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:16,093 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:16,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:16,101 INFO L82 PathProgramCache]: Analyzing trace with hash 251220135, now seen corresponding path program 1 times [2020-09-21 11:12:16,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:16,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089594612] [2020-09-21 11:12:16,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:12:16,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:12:16,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:12:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:16,943 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:16,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:16,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:12:16,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:16,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:12:17,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:17,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:17,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:17,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:17,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:17,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:17,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:17,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:17,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:17,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:17,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:17,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:17,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:17,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:17,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:17,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:17,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:17,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:17,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:17,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:17,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:17,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:17,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:17,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:17,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:17,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:17,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:17,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:17,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:17,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:17,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:17,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:17,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:17,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:17,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:12:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:17,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:17,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:17,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:17,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:17,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:17,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:17,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:17,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:17,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:17,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:17,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:17,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:17,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:17,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:17,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:17,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:17,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089594612] [2020-09-21 11:12:17,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:17,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:12:17,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212088734] [2020-09-21 11:12:17,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:12:17,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:17,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:12:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:17,206 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-09-21 11:12:18,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:18,322 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-09-21 11:12:18,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:12:18,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:12:18,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:18,342 INFO L225 Difference]: With dead ends: 261 [2020-09-21 11:12:18,343 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 11:12:18,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:18,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 11:12:18,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-09-21 11:12:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 11:12:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-09-21 11:12:18,440 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-09-21 11:12:18,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:18,440 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-09-21 11:12:18,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:12:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-09-21 11:12:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:12:18,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:18,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:18,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:12:18,445 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:18,445 INFO L82 PathProgramCache]: Analyzing trace with hash -128124380, now seen corresponding path program 1 times [2020-09-21 11:12:18,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:18,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971628306] [2020-09-21 11:12:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:12:18,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:12:18,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:12:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:12:18,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,879 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:18,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971628306] [2020-09-21 11:12:18,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:18,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:18,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549998872] [2020-09-21 11:12:18,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:18,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:18,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:18,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:18,970 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-09-21 11:12:19,415 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:20,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:20,077 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-09-21 11:12:20,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:20,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:12:20,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:20,081 INFO L225 Difference]: With dead ends: 188 [2020-09-21 11:12:20,081 INFO L226 Difference]: Without dead ends: 126 [2020-09-21 11:12:20,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:20,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-21 11:12:20,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-09-21 11:12:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-21 11:12:20,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-09-21 11:12:20,119 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-09-21 11:12:20,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:20,119 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-09-21 11:12:20,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-09-21 11:12:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:12:20,121 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:20,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:20,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:12:20,122 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:20,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1051903128, now seen corresponding path program 1 times [2020-09-21 11:12:20,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:20,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473208250] [2020-09-21 11:12:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:20,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:12:20,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-09-21 11:12:20,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:12:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:12:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,842 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:20,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:12:20,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:20,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:20,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:20,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:20,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:20,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:12:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:12:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:20,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:21,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473208250] [2020-09-21 11:12:21,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:21,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:21,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765133716] [2020-09-21 11:12:21,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:21,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:21,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:21,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:21,002 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 4 states. [2020-09-21 11:12:21,379 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:22,735 INFO L93 Difference]: Finished difference Result 290 states and 359 transitions. [2020-09-21 11:12:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:22,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:12:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:22,740 INFO L225 Difference]: With dead ends: 290 [2020-09-21 11:12:22,740 INFO L226 Difference]: Without dead ends: 213 [2020-09-21 11:12:22,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-09-21 11:12:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 172. [2020-09-21 11:12:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-21 11:12:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-09-21 11:12:22,804 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-09-21 11:12:22,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:22,805 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-09-21 11:12:22,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-09-21 11:12:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:12:22,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:22,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:22,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:12:22,808 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:22,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:22,808 INFO L82 PathProgramCache]: Analyzing trace with hash -462875738, now seen corresponding path program 1 times [2020-09-21 11:12:22,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:22,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134230004] [2020-09-21 11:12:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:23,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:23,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:23,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:23,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:23,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:12:23,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:23,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-09-21 11:12:23,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:12:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:12:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:23,790 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:23,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:23,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:23,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:23,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:23,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:23,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:23,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:12:23,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:23,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:23,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:23,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:23,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:23,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:23,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:23,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:23,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:23,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:23,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:23,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:23,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:23,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:23,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:23,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:23,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:23,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:23,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:23,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:23,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:23,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:23,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:23,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:23,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:23,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:23,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:23,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:23,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:23,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:23,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:23,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:23,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:23,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:23,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:23,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:24,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:24,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:24,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:24,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:24,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:24,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:12:24,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:24,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:12:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:24,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:12:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:24,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:24,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:24,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:24,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:24,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:24,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:24,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:24,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:24,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:12:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:24,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:24,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:24,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:24,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:24,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:24,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:24,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:24,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:24,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:24,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:24,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134230004] [2020-09-21 11:12:24,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:24,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:12:24,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502357270] [2020-09-21 11:12:24,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:12:24,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:24,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:12:24,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:12:24,063 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 8 states. [2020-09-21 11:12:24,533 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:25,792 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:26,192 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:26,512 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:26,820 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:27,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:27,642 INFO L93 Difference]: Finished difference Result 524 states and 688 transitions. [2020-09-21 11:12:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:27,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:12:27,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:27,648 INFO L225 Difference]: With dead ends: 524 [2020-09-21 11:12:27,648 INFO L226 Difference]: Without dead ends: 376 [2020-09-21 11:12:27,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-09-21 11:12:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 319. [2020-09-21 11:12:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 11:12:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 391 transitions. [2020-09-21 11:12:27,746 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 391 transitions. Word has length 57 [2020-09-21 11:12:27,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:27,747 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 391 transitions. [2020-09-21 11:12:27,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 391 transitions. [2020-09-21 11:12:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:12:27,754 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:27,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:27,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:27,755 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:27,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:27,755 INFO L82 PathProgramCache]: Analyzing trace with hash 882112780, now seen corresponding path program 1 times [2020-09-21 11:12:27,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:27,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369698555] [2020-09-21 11:12:27,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:12:28,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-09-21 11:12:28,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:12:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:12:28,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,480 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:28,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:28,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:12:28,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:28,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:28,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:28,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:28,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:28,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:28,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:28,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:28,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:28,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:28,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:12:28,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:28,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:28,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:28,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:28,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:28,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:12:28,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:12:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:28,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:28,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:28,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:12:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:28,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:28,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:28,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:28,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:28,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:28,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:28,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:28,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:28,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:28,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:28,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369698555] [2020-09-21 11:12:28,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:28,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:28,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927830886] [2020-09-21 11:12:28,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:28,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:28,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:28,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:28,689 INFO L87 Difference]: Start difference. First operand 319 states and 391 transitions. Second operand 6 states. [2020-09-21 11:12:29,118 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:29,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:29,938 INFO L93 Difference]: Finished difference Result 521 states and 665 transitions. [2020-09-21 11:12:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:12:29,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-21 11:12:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:29,941 INFO L225 Difference]: With dead ends: 521 [2020-09-21 11:12:29,941 INFO L226 Difference]: Without dead ends: 226 [2020-09-21 11:12:29,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:12:29,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-21 11:12:29,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 209. [2020-09-21 11:12:29,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-21 11:12:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-09-21 11:12:29,984 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 61 [2020-09-21 11:12:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:29,984 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-09-21 11:12:29,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:12:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-09-21 11:12:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:12:29,986 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:29,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:29,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:29,986 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:29,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:29,987 INFO L82 PathProgramCache]: Analyzing trace with hash 773907884, now seen corresponding path program 1 times [2020-09-21 11:12:29,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:29,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077357115] [2020-09-21 11:12:29,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:30,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:30,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:30,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:30,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:30,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:12:30,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-09-21 11:12:30,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:12:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:30,836 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:30,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:30,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:30,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:30,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:30,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:30,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:30,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:30,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:12:30,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:30,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:30,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:30,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:30,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:30,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:30,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:30,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:30,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:30,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:30,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:30,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:30,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:30,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:30,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:30,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:30,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:30,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:30,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:30,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:30,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:30,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:30,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:30,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:30,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:30,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:30,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:30,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:30,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:30,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:30,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:30,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:30,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:30,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:30,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:30,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:30,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:30,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:30,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:30,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:30,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:30,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:12:30,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:30,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:31,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:12:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:31,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:31,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:12:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:31,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:12:31,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:31,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:12:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:31,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:31,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:31,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:31,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:31,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:31,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:31,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:31,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:31,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:12:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:31,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:31,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:31,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:31,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:31,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:31,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:31,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:31,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077357115] [2020-09-21 11:12:31,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:31,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:31,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664567457] [2020-09-21 11:12:31,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:31,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:31,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:31,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:31,121 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 11 states. [2020-09-21 11:12:31,608 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:32,276 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:33,018 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:33,392 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:33,721 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:34,036 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:34,466 INFO L93 Difference]: Finished difference Result 313 states and 371 transitions. [2020-09-21 11:12:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:12:34,466 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-21 11:12:34,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:34,467 INFO L225 Difference]: With dead ends: 313 [2020-09-21 11:12:34,467 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:12:34,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:12:34,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:12:34,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:12:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:12:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:12:34,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:12:34,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:34,470 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:12:34,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:12:34,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:12:34,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:12:34,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:12:34,652 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:34,808 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:34,969 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,134 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:35,303 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,458 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:35,622 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:35,782 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,962 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:36,119 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:36,591 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 202 [2020-09-21 11:12:36,753 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:36,911 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:37,260 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:37,597 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:37,918 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:38,067 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:38,215 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:38,369 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:38,523 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:38,687 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:38,839 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:38,987 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:39,150 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:39,303 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:39,460 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:39,615 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:39,767 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:39,918 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:40,068 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:40,229 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:40,379 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:40,532 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:40,686 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:40,838 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:40,991 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:41,144 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:41,563 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 202 [2020-09-21 11:12:41,720 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:41,872 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:42,028 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:42,178 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:42,328 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:42,480 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:42,906 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 202 [2020-09-21 11:12:43,068 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:43,218 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:43,367 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:43,520 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:43,673 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:43,840 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:43,988 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:44,145 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:44,304 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:44,489 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:44,661 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:44,814 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:44,964 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:45,279 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:12:45,598 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:45,931 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:12:46,268 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:12:46,443 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:46,855 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 202 [2020-09-21 11:12:47,008 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:47,345 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:47,665 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:12:47,986 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:48,308 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:48,628 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:12:49,103 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 203 [2020-09-21 11:12:49,259 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:49,894 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:12:50,123 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:50,336 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:50,976 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-09-21 11:12:51,549 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:12:51,852 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:52,062 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:52,283 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:52,526 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:53,171 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2020-09-21 11:12:53,392 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:54,103 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-09-21 11:12:54,881 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-09-21 11:12:55,130 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:55,422 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:55,680 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:55,905 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:56,471 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-09-21 11:12:56,695 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:57,436 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2020-09-21 11:12:57,751 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-09-21 11:12:57,973 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:57,983 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 662) no Hoare annotation was computed. [2020-09-21 11:12:57,983 INFO L268 CegarLoopResult]: For program point L663(lines 640 664) no Hoare annotation was computed. [2020-09-21 11:12:57,983 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 616 671) no Hoare annotation was computed. [2020-09-21 11:12:57,983 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-09-21 11:12:57,983 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 616 671) no Hoare annotation was computed. [2020-09-21 11:12:57,983 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 616 671) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point L704-1(lines 704 708) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point L698-2(lines 698 723) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 672 731) no Hoare annotation was computed. [2020-09-21 11:12:57,984 INFO L268 CegarLoopResult]: For program point L724(lines 697 725) no Hoare annotation was computed. [2020-09-21 11:12:57,985 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 672 731) no Hoare annotation was computed. [2020-09-21 11:12:57,985 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-09-21 11:12:57,985 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-09-21 11:12:57,985 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 672 731) no Hoare annotation was computed. [2020-09-21 11:12:57,985 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2020-09-21 11:12:57,985 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2020-09-21 11:12:57,986 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2020-09-21 11:12:57,986 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2020-09-21 11:12:57,986 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 554 562) no Hoare annotation was computed. [2020-09-21 11:12:57,986 INFO L271 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: true [2020-09-21 11:12:57,986 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-09-21 11:12:57,986 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2020-09-21 11:12:57,986 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2020-09-21 11:12:57,986 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:57,987 INFO L268 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-09-21 11:12:57,987 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:57,987 INFO L268 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-09-21 11:12:57,987 INFO L268 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2020-09-21 11:12:57,987 INFO L268 CegarLoopResult]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2020-09-21 11:12:57,987 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:12:57,987 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 11:12:57,988 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,988 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,988 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,988 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,988 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:12:57,989 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:12:57,989 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,989 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,989 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:12:57,989 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:12:57,989 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:12:57,989 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:12:57,990 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:12:57,991 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:12:57,991 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:12:57,991 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:12:57,991 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:12:57,991 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:12:57,991 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2020-09-21 11:12:57,991 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:57,992 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 513 527) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-09-21 11:12:57,992 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-09-21 11:12:57,992 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 513 527) no Hoare annotation was computed. [2020-09-21 11:12:57,992 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2020-09-21 11:12:57,992 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2020-09-21 11:12:57,992 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 449 457) no Hoare annotation was computed. [2020-09-21 11:12:57,992 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2020-09-21 11:12:57,992 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-09-21 11:12:57,992 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L271 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: true [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point L501-1(line 501) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 494 512) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point L465(lines 465 473) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point L465-2(lines 465 473) no Hoare annotation was computed. [2020-09-21 11:12:57,993 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 458 493) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 458 493) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 458 493) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 570 615) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 570 615) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 570 615) no Hoare annotation was computed. [2020-09-21 11:12:57,994 INFO L268 CegarLoopResult]: For program point L897(lines 897 917) no Hoare annotation was computed. [2020-09-21 11:12:57,995 INFO L268 CegarLoopResult]: For program point L897-1(lines 897 917) no Hoare annotation was computed. [2020-09-21 11:12:57,995 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 883 928) no Hoare annotation was computed. [2020-09-21 11:12:57,995 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 883 928) no Hoare annotation was computed. [2020-09-21 11:12:57,995 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-09-21 11:12:57,995 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 883 928) no Hoare annotation was computed. [2020-09-21 11:12:57,995 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,995 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:12:57,995 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 438 448) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 438 448) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 438 448) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2020-09-21 11:12:57,996 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 430 437) no Hoare annotation was computed. [2020-09-21 11:12:57,996 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:57,997 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-09-21 11:12:57,997 INFO L268 CegarLoopResult]: For program point L383(lines 383 400) no Hoare annotation was computed. [2020-09-21 11:12:57,997 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2020-09-21 11:12:57,997 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 379 403) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-21 11:12:57,997 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-21 11:12:57,997 INFO L268 CegarLoopResult]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2020-09-21 11:12:57,997 INFO L264 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:57,998 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:57,998 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-09-21 11:12:57,998 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2020-09-21 11:12:57,998 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2020-09-21 11:12:57,998 INFO L264 CegarLoopResult]: At program point testENTRY(lines 275 340) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:57,998 INFO L268 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-09-21 11:12:57,998 INFO L268 CegarLoopResult]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2020-09-21 11:12:57,998 INFO L264 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:57,999 INFO L264 CegarLoopResult]: At program point L323(line 323) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:57,999 INFO L268 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2020-09-21 11:12:57,999 INFO L264 CegarLoopResult]: At program point L321-1(lines 315 328) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:57,999 INFO L268 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-09-21 11:12:57,999 INFO L268 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-09-21 11:12:57,999 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:57,999 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-09-21 11:12:58,000 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2020-09-21 11:12:58,000 INFO L264 CegarLoopResult]: At program point L330(lines 285 332) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:58,000 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:58,000 INFO L268 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-09-21 11:12:58,000 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-09-21 11:12:58,000 INFO L268 CegarLoopResult]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2020-09-21 11:12:58,000 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 837 882) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 837 882) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 837 882) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 404 411) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 404 411) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 404 411) no Hoare annotation was computed. [2020-09-21 11:12:58,001 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 264 272) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 232 254) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 232 254) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 232 254) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 530 539) no Hoare annotation was computed. [2020-09-21 11:12:58,002 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 530 539) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 530 539) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 734 836) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point L785(lines 785 789) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 803) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 734 836) no Hoare annotation was computed. [2020-09-21 11:12:58,003 INFO L268 CegarLoopResult]: For program point L804(lines 782 805) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point L763(lines 763 779) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point L823(lines 823 830) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 734 836) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point L784(lines 783 803) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point L780(lines 780 821) no Hoare annotation was computed. [2020-09-21 11:12:58,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:58,005 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:12:58,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:58,005 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-09-21 11:12:58,005 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 413 429) no Hoare annotation was computed. [2020-09-21 11:12:58,005 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 413 429) no Hoare annotation was computed. [2020-09-21 11:12:58,006 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:12:58,006 INFO L268 CegarLoopResult]: For program point L424-1(lines 413 429) no Hoare annotation was computed. [2020-09-21 11:12:58,006 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-09-21 11:12:58,006 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:12:58,006 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2020-09-21 11:12:58,006 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 255 263) no Hoare annotation was computed. [2020-09-21 11:12:58,006 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2020-09-21 11:12:58,007 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 211 222) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-09-21 11:12:58,007 INFO L268 CegarLoopResult]: For program point L215-1(lines 211 222) no Hoare annotation was computed. [2020-09-21 11:12:58,007 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2020-09-21 11:12:58,007 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:58,007 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:58,007 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:58,007 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (= |old(~waterLevel~0)| 2)) .cse0))) [2020-09-21 11:12:58,007 INFO L268 CegarLoopResult]: For program point L351(lines 350 369) no Hoare annotation was computed. [2020-09-21 11:12:58,008 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 347 370) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:58,008 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2020-09-21 11:12:58,008 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:58,008 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2020-09-21 11:12:58,008 INFO L264 CegarLoopResult]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:58,008 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:12:58,008 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:12:58,008 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:12:58,009 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:12:58,009 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:12:58,009 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:12:58,009 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:12:58,009 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:12:58,009 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:12:58,009 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:12:58,009 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 223 231) no Hoare annotation was computed. [2020-09-21 11:12:58,010 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 223 231) no Hoare annotation was computed. [2020-09-21 11:12:58,010 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 223 231) no Hoare annotation was computed. [2020-09-21 11:12:58,010 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2020-09-21 11:12:58,010 INFO L268 CegarLoopResult]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2020-09-21 11:12:58,010 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2020-09-21 11:12:58,010 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:12:58,010 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:12:58,010 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:58,011 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:58,011 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:58,011 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:58,011 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2020-09-21 11:12:58,011 INFO L268 CegarLoopResult]: For program point L203-1(lines 199 210) no Hoare annotation was computed. [2020-09-21 11:12:58,011 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 199 210) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:12:58,011 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2020-09-21 11:12:58,011 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-09-21 11:12:58,012 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2020-09-21 11:12:58,012 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2020-09-21 11:12:58,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:58 BoogieIcfgContainer [2020-09-21 11:12:58,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:58,034 INFO L168 Benchmark]: Toolchain (without parser) took 43985.59 ms. Allocated memory was 140.0 MB in the beginning and 642.3 MB in the end (delta: 502.3 MB). Free memory was 102.3 MB in the beginning and 352.0 MB in the end (delta: -249.7 MB). Peak memory consumption was 520.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:58,034 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:12:58,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.36 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:58,036 INFO L168 Benchmark]: Boogie Preprocessor took 96.26 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:58,036 INFO L168 Benchmark]: RCFGBuilder took 1163.42 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.2 MB in the beginning and 202.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:58,037 INFO L168 Benchmark]: TraceAbstraction took 42064.98 ms. Allocated memory was 237.5 MB in the beginning and 642.3 MB in the end (delta: 404.8 MB). Free memory was 200.8 MB in the beginning and 352.0 MB in the end (delta: -151.2 MB). Peak memory consumption was 521.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:58,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.36 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.26 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1163.42 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.2 MB in the beginning and 202.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42064.98 ms. Allocated memory was 237.5 MB in the beginning and 642.3 MB in the end (delta: 404.8 MB). Free memory was 200.8 MB in the beginning and 352.0 MB in the end (delta: -151.2 MB). Peak memory consumption was 521.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 569 SDtfs, 845 SDslu, 434 SDs, 0 SdLazy, 1765 SolverSat, 547 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 172 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 425 PreInvPairs, 462 NumberOfFragments, 966 HoareAnnotationTreeSize, 425 FomulaSimplifications, 56740 FormulaSimplificationTreeSizeReduction, 14.7s HoareSimplificationTime, 52 FomulaSimplificationsInter, 13849 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 91324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...