/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:05:47,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:05:47,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:05:47,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:05:47,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:05:47,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:05:47,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:05:47,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:05:47,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:05:47,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:05:47,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:05:47,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:05:47,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:05:47,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:05:47,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:05:47,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:05:47,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:05:47,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:05:47,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:05:47,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:05:47,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:05:47,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:05:47,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:05:47,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:05:47,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:05:47,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:05:47,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:05:47,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:05:47,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:05:47,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:05:47,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:05:47,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:05:47,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:05:47,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:05:47,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:05:47,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:05:47,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:05:47,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:05:47,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:05:47,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:05:47,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:05:47,865 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 11:05:47,917 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:05:47,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:05:47,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:05:47,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:05:47,919 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:05:47,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:05:47,920 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:05:47,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:05:47,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:05:47,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:05:47,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:05:47,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:05:47,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:05:47,922 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:05:47,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:05:47,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:05:47,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:05:47,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:05:47,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:05:47,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:05:47,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:05:47,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:05:47,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:05:47,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:05:47,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:05:47,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:05:47,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:05:47,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:05:47,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:05:47,927 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 11:05:48,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:05:48,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:05:48,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:05:48,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:05:48,422 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:05:48,423 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-09-21 11:05:48,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/468748fcf/51c32daca4ae44cd934e5455225b1966/FLAGa0feb631b [2020-09-21 11:05:49,140 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:05:49,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-09-21 11:05:49,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/468748fcf/51c32daca4ae44cd934e5455225b1966/FLAGa0feb631b [2020-09-21 11:05:49,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/468748fcf/51c32daca4ae44cd934e5455225b1966 [2020-09-21 11:05:49,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:05:49,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:05:49,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:49,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:05:49,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:05:49,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:49" (1/1) ... [2020-09-21 11:05:49,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:49, skipping insertion in model container [2020-09-21 11:05:49,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:49" (1/1) ... [2020-09-21 11:05:49,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:05:49,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:05:50,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:50,141 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:05:50,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:50,301 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:05:50,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50 WrapperNode [2020-09-21 11:05:50,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:50,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:05:50,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:05:50,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:05:50,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (1/1) ... [2020-09-21 11:05:50,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (1/1) ... [2020-09-21 11:05:50,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (1/1) ... [2020-09-21 11:05:50,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (1/1) ... [2020-09-21 11:05:50,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (1/1) ... [2020-09-21 11:05:50,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (1/1) ... [2020-09-21 11:05:50,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (1/1) ... [2020-09-21 11:05:50,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:05:50,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:05:50,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:05:50,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:05:50,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (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 11:05:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:05:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:05:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:05:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:05:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:05:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:05:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:05:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:05:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:05:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:05:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:05:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:05:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:05:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:05:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:05:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:05:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:05:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:05:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:05:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:05:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:05:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:05:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:05:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:05:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:05:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:05:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:05:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:05:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:05:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:05:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:05:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:05:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:05:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:05:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:05:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:05:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:05:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:05:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:05:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:05:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:05:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:05:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:05:51,552 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:05:51,552 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:05:51,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:51 BoogieIcfgContainer [2020-09-21 11:05:51,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:05:51,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:05:51,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:05:51,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:05:51,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:05:49" (1/3) ... [2020-09-21 11:05:51,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a889db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:51, skipping insertion in model container [2020-09-21 11:05:51,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:50" (2/3) ... [2020-09-21 11:05:51,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a889db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:51, skipping insertion in model container [2020-09-21 11:05:51,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:51" (3/3) ... [2020-09-21 11:05:51,573 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-09-21 11:05:51,584 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:05:51,597 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:05:51,620 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:05:51,649 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:05:51,650 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:05:51,650 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:05:51,650 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:05:51,650 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:05:51,651 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:05:51,651 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:05:51,651 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:05:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-09-21 11:05:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:05:51,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:51,689 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 11:05:51,689 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:51,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:51,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1206360335, now seen corresponding path program 1 times [2020-09-21 11:05:51,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:51,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662016717] [2020-09-21 11:05:51,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:05:52,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:05:52,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:05:52,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:05:52,494 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:52,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:05:52,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:05:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:05:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:05:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,676 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 11:05:52,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662016717] [2020-09-21 11:05:52,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:52,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:52,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277342762] [2020-09-21 11:05:52,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:52,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:52,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:52,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:52,709 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 4 states. [2020-09-21 11:05:53,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:53,542 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2020-09-21 11:05:53,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:05:53,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:05:53,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:53,562 INFO L225 Difference]: With dead ends: 198 [2020-09-21 11:05:53,562 INFO L226 Difference]: Without dead ends: 113 [2020-09-21 11:05:53,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-09-21 11:05:53,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-09-21 11:05:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 11:05:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-09-21 11:05:53,671 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-09-21 11:05:53,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:53,671 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-09-21 11:05:53,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-09-21 11:05:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:05:53,675 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:53,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:53,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:05:53,676 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:53,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:53,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1457835642, now seen corresponding path program 1 times [2020-09-21 11:05:53,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:53,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055119879] [2020-09-21 11:05:53,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:05:53,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:05:53,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:53,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:05:53,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,033 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:54,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:54,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:54,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:54,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:05:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:05:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:05:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,133 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 11:05:54,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055119879] [2020-09-21 11:05:54,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:54,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:05:54,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912800640] [2020-09-21 11:05:54,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:05:54,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:54,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:05:54,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:54,137 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2020-09-21 11:05:54,667 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:05:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:55,182 INFO L93 Difference]: Finished difference Result 143 states and 178 transitions. [2020-09-21 11:05:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:05:55,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:05:55,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:55,185 INFO L225 Difference]: With dead ends: 143 [2020-09-21 11:05:55,185 INFO L226 Difference]: Without dead ends: 103 [2020-09-21 11:05:55,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:05:55,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-21 11:05:55,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-09-21 11:05:55,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-21 11:05:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-09-21 11:05:55,218 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2020-09-21 11:05:55,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:55,218 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-09-21 11:05:55,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:05:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-09-21 11:05:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:05:55,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:55,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:55,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:05:55,221 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:55,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1158960605, now seen corresponding path program 1 times [2020-09-21 11:05:55,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:55,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554700021] [2020-09-21 11:05:55,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:55,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:05:55,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:05:55,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:05:55,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:55,690 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:55,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:05:55,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:55,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:55,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:55,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:55,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:55,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:55,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:55,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:55,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:55,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:55,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:55,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:55,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:55,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:55,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:55,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:05:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:55,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:55,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:55,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:55,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:05:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:55,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:55,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:55,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:55,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:05:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:55,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:55,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:55,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:55,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:55,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:55,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:55,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:55,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:55,849 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 11:05:55,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554700021] [2020-09-21 11:05:55,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:55,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:05:55,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365276842] [2020-09-21 11:05:55,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:05:55,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:55,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:05:55,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:55,852 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 5 states. [2020-09-21 11:05:56,198 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:56,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:56,845 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2020-09-21 11:05:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:05:56,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 11:05:56,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:56,849 INFO L225 Difference]: With dead ends: 152 [2020-09-21 11:05:56,849 INFO L226 Difference]: Without dead ends: 103 [2020-09-21 11:05:56,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:05:56,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-21 11:05:56,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-09-21 11:05:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-21 11:05:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-09-21 11:05:56,872 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2020-09-21 11:05:56,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:56,873 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-09-21 11:05:56,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:05:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-09-21 11:05:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:05:56,875 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:56,875 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] [2020-09-21 11:05:56,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:05:56,875 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:56,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:56,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1004673798, now seen corresponding path program 1 times [2020-09-21 11:05:56,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:56,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84817657] [2020-09-21 11:05:56,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:05:57,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-09-21 11:05:57,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:05:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:05:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,623 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:57,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:57,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:05:57,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:57,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:57,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:57,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:57,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:57,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:57,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:57,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:57,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:57,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:57,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:57,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:05:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:57,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:57,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:57,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:57,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:57,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:05:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:57,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:05:57,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:57,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:57,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:57,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:05:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:57,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:57,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:57,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:57,871 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 11:05:57,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84817657] [2020-09-21 11:05:57,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:57,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:57,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801737901] [2020-09-21 11:05:57,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:57,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:57,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:57,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:57,876 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-09-21 11:05:58,346 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:59,385 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:05:59,725 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:00,059 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:00,353 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:00,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:00,877 INFO L93 Difference]: Finished difference Result 204 states and 263 transitions. [2020-09-21 11:06:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:06:00,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:06:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:00,887 INFO L225 Difference]: With dead ends: 204 [2020-09-21 11:06:00,887 INFO L226 Difference]: Without dead ends: 155 [2020-09-21 11:06:00,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:06:00,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-21 11:06:00,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 116. [2020-09-21 11:06:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-21 11:06:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-09-21 11:06:00,932 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2020-09-21 11:06:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:00,933 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-09-21 11:06:00,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-09-21 11:06:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:06:00,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:00,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:00,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:06:00,944 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:00,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:00,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1182748770, now seen corresponding path program 1 times [2020-09-21 11:06:00,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:00,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119083938] [2020-09-21 11:06:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:06:01,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-21 11:06:01,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:06:01,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,475 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:01,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:01,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:06:01,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:01,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:01,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:01,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:01,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:01,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:01,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:01,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:01,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:01,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:01,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:01,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:06:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:01,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:01,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:01,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:01,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:01,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:01,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:06:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:01,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:01,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:01,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:01,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:06:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:01,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:01,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:01,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:01,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:01,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:01,696 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 11:06:01,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119083938] [2020-09-21 11:06:01,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:01,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:01,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933137252] [2020-09-21 11:06:01,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:01,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:01,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:01,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:01,699 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 9 states. [2020-09-21 11:06:02,277 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:03,220 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:03,549 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:03,877 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:04,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:04,132 INFO L93 Difference]: Finished difference Result 233 states and 298 transitions. [2020-09-21 11:06:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:06:04,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 11:06:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:04,140 INFO L225 Difference]: With dead ends: 233 [2020-09-21 11:06:04,141 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:06:04,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:06:04,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:06:04,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:06:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:06:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:06:04,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-21 11:06:04,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:04,146 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:06:04,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:06:04,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:06:04,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:06:04,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:06:04,408 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:04,580 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:04,753 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:05,228 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 201 [2020-09-21 11:06:05,404 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:05,640 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 10 [2020-09-21 11:06:06,082 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 201 [2020-09-21 11:06:06,264 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:06,431 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:06,596 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:06,760 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:06,907 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:07,065 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:07,230 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:07,393 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:07,559 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:07,718 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:07,880 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:08,040 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:08,207 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:08,360 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:08,513 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:08,672 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:09,037 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:09,393 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:09,748 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:10,037 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:10,332 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:10,686 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:10,845 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:10,997 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:11,359 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:11,714 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:12,072 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:12,359 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:12,661 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:13,014 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:06:13,175 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:13,332 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:13,484 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:13,641 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:13,799 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:13,951 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:14,109 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:14,294 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 10 [2020-09-21 11:06:14,451 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:14,608 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:14,765 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:14,922 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:15,088 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:15,247 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:15,399 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:15,556 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:15,711 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:15,870 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:16,119 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:16,344 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:16,637 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:16,971 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 11:06:17,223 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:17,447 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:17,653 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:17,911 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:18,104 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 11:06:18,307 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 11:06:18,762 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:06:19,160 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-09-21 11:06:19,561 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-09-21 11:06:20,003 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-09-21 11:06:20,427 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-21 11:06:20,664 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 11:06:20,923 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:21,158 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-09-21 11:06:21,596 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:06:22,011 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:06:22,017 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:06:22,017 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 498) no Hoare annotation was computed. [2020-09-21 11:06:22,018 INFO L268 CegarLoopResult]: For program point L499(lines 476 500) no Hoare annotation was computed. [2020-09-21 11:06:22,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 452 507) no Hoare annotation was computed. [2020-09-21 11:06:22,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 452 507) no Hoare annotation was computed. [2020-09-21 11:06:22,018 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-09-21 11:06:22,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 452 507) no Hoare annotation was computed. [2020-09-21 11:06:22,018 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 487) no Hoare annotation was computed. [2020-09-21 11:06:22,018 INFO L268 CegarLoopResult]: For program point L540(lines 540 544) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point L540-1(lines 540 544) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 508 567) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 559) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point L560(lines 533 561) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 508 567) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 508 567) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:06:22,019 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-09-21 11:06:22,020 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 245 251) the Hoare annotation is: true [2020-09-21 11:06:22,020 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 245 251) no Hoare annotation was computed. [2020-09-21 11:06:22,020 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 252 260) no Hoare annotation was computed. [2020-09-21 11:06:22,020 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 252 260) the Hoare annotation is: true [2020-09-21 11:06:22,020 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 252 260) no Hoare annotation was computed. [2020-09-21 11:06:22,020 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 336 358) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,021 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,021 INFO L264 CegarLoopResult]: At program point L348-1(line 348) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,021 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-09-21 11:06:22,021 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 353) no Hoare annotation was computed. [2020-09-21 11:06:22,021 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 336 358) no Hoare annotation was computed. [2020-09-21 11:06:22,021 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-21 11:06:22,021 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,022 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,022 INFO L264 CegarLoopResult]: At program point L342-1(line 342) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,022 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 336 358) no Hoare annotation was computed. [2020-09-21 11:06:22,022 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 293 316) no Hoare annotation was computed. [2020-09-21 11:06:22,022 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 293 316) no Hoare annotation was computed. [2020-09-21 11:06:22,022 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 293 316) no Hoare annotation was computed. [2020-09-21 11:06:22,022 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-09-21 11:06:22,022 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-09-21 11:06:22,022 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-21 11:06:22,023 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 110 118) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 110 118) the Hoare annotation is: true [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 110 118) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-21 11:06:22,024 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-09-21 11:06:22,025 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 119 154) no Hoare annotation was computed. [2020-09-21 11:06:22,025 INFO L268 CegarLoopResult]: For program point L138(lines 138 146) no Hoare annotation was computed. [2020-09-21 11:06:22,025 INFO L268 CegarLoopResult]: For program point L138-2(lines 138 146) no Hoare annotation was computed. [2020-09-21 11:06:22,025 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 119 154) no Hoare annotation was computed. [2020-09-21 11:06:22,025 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 119 154) no Hoare annotation was computed. [2020-09-21 11:06:22,025 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 238 244) no Hoare annotation was computed. [2020-09-21 11:06:22,025 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 238 244) the Hoare annotation is: true [2020-09-21 11:06:22,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 406 451) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 406 451) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 406 451) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point L733(lines 733 753) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 753) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 719 764) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 719 764) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 719 764) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L268 CegarLoopResult]: For program point L739(lines 739 746) no Hoare annotation was computed. [2020-09-21 11:06:22,026 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 325 335) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,027 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 325 335) no Hoare annotation was computed. [2020-09-21 11:06:22,027 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:06:22,027 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 325 335) no Hoare annotation was computed. [2020-09-21 11:06:22,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 99 109) no Hoare annotation was computed. [2020-09-21 11:06:22,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 99 109) no Hoare annotation was computed. [2020-09-21 11:06:22,027 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-09-21 11:06:22,027 INFO L268 CegarLoopResult]: For program point L104-1(line 104) no Hoare annotation was computed. [2020-09-21 11:06:22,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 99 109) no Hoare annotation was computed. [2020-09-21 11:06:22,028 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 91 98) no Hoare annotation was computed. [2020-09-21 11:06:22,028 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 91 98) no Hoare annotation was computed. [2020-09-21 11:06:22,028 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 91 98) no Hoare annotation was computed. [2020-09-21 11:06:22,028 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 76 82) no Hoare annotation was computed. [2020-09-21 11:06:22,028 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 76 82) the Hoare annotation is: true [2020-09-21 11:06:22,028 INFO L264 CegarLoopResult]: At program point testENTRY(lines 159 222) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,028 INFO L264 CegarLoopResult]: At program point L215(lines 168 216) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,029 INFO L268 CegarLoopResult]: For program point testFINAL(lines 159 222) no Hoare annotation was computed. [2020-09-21 11:06:22,029 INFO L268 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-09-21 11:06:22,029 INFO L264 CegarLoopResult]: At program point L205-2(lines 199 210) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,029 INFO L268 CegarLoopResult]: For program point L170(lines 169 214) no Hoare annotation was computed. [2020-09-21 11:06:22,029 INFO L268 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2020-09-21 11:06:22,029 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,029 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-09-21 11:06:22,029 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2020-09-21 11:06:22,030 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,030 INFO L264 CegarLoopResult]: At program point L212(lines 169 214) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:06:22,030 INFO L268 CegarLoopResult]: For program point L179(lines 179 185) no Hoare annotation was computed. [2020-09-21 11:06:22,030 INFO L268 CegarLoopResult]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2020-09-21 11:06:22,030 INFO L268 CegarLoopResult]: For program point L171(lines 171 175) no Hoare annotation was computed. [2020-09-21 11:06:22,030 INFO L268 CegarLoopResult]: For program point testEXIT(lines 159 222) no Hoare annotation was computed. [2020-09-21 11:06:22,030 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 673 718) no Hoare annotation was computed. [2020-09-21 11:06:22,030 INFO L268 CegarLoopResult]: For program point L693(lines 693 700) no Hoare annotation was computed. [2020-09-21 11:06:22,030 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 673 718) no Hoare annotation was computed. [2020-09-21 11:06:22,031 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 673 718) no Hoare annotation was computed. [2020-09-21 11:06:22,031 INFO L268 CegarLoopResult]: For program point L687(lines 687 707) no Hoare annotation was computed. [2020-09-21 11:06:22,031 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 707) no Hoare annotation was computed. [2020-09-21 11:06:22,031 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:22,031 INFO L268 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-09-21 11:06:22,031 INFO L268 CegarLoopResult]: For program point L382(lines 382 392) no Hoare annotation was computed. [2020-09-21 11:06:22,031 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-09-21 11:06:22,031 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-09-21 11:06:22,032 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-09-21 11:06:22,032 INFO L268 CegarLoopResult]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2020-09-21 11:06:22,032 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:06:22,032 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-09-21 11:06:22,032 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:06:22,032 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2020-09-21 11:06:22,032 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2020-09-21 11:06:22,033 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-09-21 11:06:22,033 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 814 836) no Hoare annotation was computed. [2020-09-21 11:06:22,033 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 814 836) no Hoare annotation was computed. [2020-09-21 11:06:22,033 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2020-09-21 11:06:22,033 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:06:22,033 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2020-09-21 11:06:22,033 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2020-09-21 11:06:22,033 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 228 237) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 228 237) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 228 237) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point L640(lines 618 641) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 570 672) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point L599(lines 599 615) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point L620(lines 619 639) no Hoare annotation was computed. [2020-09-21 11:06:22,034 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point L651-1(line 651) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point L616(lines 616 657) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 570 672) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 570 672) no Hoare annotation was computed. [2020-09-21 11:06:22,035 INFO L268 CegarLoopResult]: For program point L621(lines 621 625) no Hoare annotation was computed. [2020-09-21 11:06:22,036 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 639) no Hoare annotation was computed. [2020-09-21 11:06:22,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:06:22,036 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~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:06:22,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:06:22,036 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 83 90) no Hoare annotation was computed. [2020-09-21 11:06:22,037 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 83 90) no Hoare annotation was computed. [2020-09-21 11:06:22,037 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 83 90) no Hoare annotation was computed. [2020-09-21 11:06:22,037 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 837 845) no Hoare annotation was computed. [2020-09-21 11:06:22,037 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 837 845) no Hoare annotation was computed. [2020-09-21 11:06:22,037 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2020-09-21 11:06:22,037 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-09-21 11:06:22,037 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:06:22,037 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-09-21 11:06:22,038 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:06:22,038 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:06:22,038 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:06:22,038 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2020-09-21 11:06:22,038 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2020-09-21 11:06:22,038 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2020-09-21 11:06:22,038 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:22,039 INFO L264 CegarLoopResult]: At program point L63(lines 63 69) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:22,039 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:22,039 INFO L268 CegarLoopResult]: For program point L56(lines 55 74) no Hoare annotation was computed. [2020-09-21 11:06:22,039 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 52 75) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:22,039 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 52 75) no Hoare annotation was computed. [2020-09-21 11:06:22,039 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 52 75) no Hoare annotation was computed. [2020-09-21 11:06:22,039 INFO L271 CegarLoopResult]: At program point L288(lines 263 292) the Hoare annotation is: true [2020-09-21 11:06:22,039 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 263 292) no Hoare annotation was computed. [2020-09-21 11:06:22,040 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 263 292) the Hoare annotation is: true [2020-09-21 11:06:22,040 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 11:06:22,040 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-09-21 11:06:22,040 INFO L271 CegarLoopResult]: At program point L277-1(lines 277 281) the Hoare annotation is: true [2020-09-21 11:06:22,040 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-21 11:06:22,040 INFO L271 CegarLoopResult]: At program point L273-2(lines 273 287) the Hoare annotation is: true [2020-09-21 11:06:22,040 INFO L271 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: true [2020-09-21 11:06:22,040 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-09-21 11:06:22,040 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 769 780) the Hoare annotation is: true [2020-09-21 11:06:22,041 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2020-09-21 11:06:22,041 INFO L268 CegarLoopResult]: For program point L773-1(lines 769 780) no Hoare annotation was computed. [2020-09-21 11:06:22,041 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 317 323) no Hoare annotation was computed. [2020-09-21 11:06:22,041 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 317 323) the Hoare annotation is: true [2020-09-21 11:06:22,041 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:06:22,041 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:06:22,041 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:06:22,041 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:06:22,042 INFO L268 CegarLoopResult]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2020-09-21 11:06:22,042 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2020-09-21 11:06:22,042 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:06:22,042 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 847 854) no Hoare annotation was computed. [2020-09-21 11:06:22,042 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2020-09-21 11:06:22,042 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 847 854) the Hoare annotation is: true [2020-09-21 11:06:22,042 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 847 854) no Hoare annotation was computed. [2020-09-21 11:06:22,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:06:22 BoogieIcfgContainer [2020-09-21 11:06:22,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:06:22,064 INFO L168 Benchmark]: Toolchain (without parser) took 32634.26 ms. Allocated memory was 138.9 MB in the beginning and 557.3 MB in the end (delta: 418.4 MB). Free memory was 100.7 MB in the beginning and 158.4 MB in the end (delta: -57.7 MB). Peak memory consumption was 434.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:22,065 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:06:22,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.73 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 172.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:22,067 INFO L168 Benchmark]: Boogie Preprocessor took 93.00 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:22,068 INFO L168 Benchmark]: RCFGBuilder took 1166.56 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.3 MB in the beginning and 203.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:22,069 INFO L168 Benchmark]: TraceAbstraction took 30498.33 ms. Allocated memory was 233.8 MB in the beginning and 557.3 MB in the end (delta: 323.5 MB). Free memory was 203.4 MB in the beginning and 158.4 MB in the end (delta: 45.0 MB). Peak memory consumption was 441.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:06:22,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 866.73 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 172.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.00 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.56 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.3 MB in the beginning and 203.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30498.33 ms. Allocated memory was 233.8 MB in the beginning and 557.3 MB in the end (delta: 323.5 MB). Free memory was 203.4 MB in the beginning and 158.4 MB in the end (delta: 45.0 MB). Peak memory consumption was 441.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: 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: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || splverifierCounter <= 0) || !(1 == systemActive)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 482 SDslu, 311 SDs, 0 SdLazy, 1078 SolverSat, 312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 118 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 176 PreInvPairs, 208 NumberOfFragments, 645 HoareAnnotationTreeSize, 176 FomulaSimplifications, 69030 FormulaSimplificationTreeSizeReduction, 11.7s HoareSimplificationTime, 42 FomulaSimplificationsInter, 7256 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 79212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...