/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 18:43:54,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 18:43:54,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 18:43:54,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 18:43:54,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 18:43:54,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 18:43:54,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 18:43:54,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 18:43:54,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 18:43:54,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 18:43:54,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 18:43:54,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 18:43:54,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 18:43:54,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 18:43:54,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 18:43:54,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 18:43:54,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 18:43:54,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 18:43:54,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 18:43:54,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 18:43:54,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 18:43:54,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 18:43:54,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 18:43:54,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 18:43:54,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 18:43:54,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 18:43:54,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 18:43:54,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 18:43:54,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 18:43:54,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 18:43:54,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 18:43:54,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 18:43:54,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 18:43:54,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 18:43:54,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 18:43:54,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 18:43:54,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 18:43:54,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 18:43:54,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 18:43:54,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 18:43:54,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 18:43:54,167 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 [2020-08-21 18:43:54,190 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 18:43:54,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 18:43:54,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 18:43:54,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 18:43:54,191 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 18:43:54,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 18:43:54,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 18:43:54,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 18:43:54,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 18:43:54,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 18:43:54,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 18:43:54,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 18:43:54,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 18:43:54,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 18:43:54,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 18:43:54,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 18:43:54,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 18:43:54,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 18:43:54,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 18:43:54,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 18:43:54,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 18:43:54,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 18:43:54,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 18:43:54,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 18:43:54,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 18:43:54,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 18:43:54,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 18:43:54,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 18:43:54,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 18:43:54,196 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 -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-08-21 18:43:54,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 18:43:54,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 18:43:54,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 18:43:54,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 18:43:54,516 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 18:43:54,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-08-21 18:43:54,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d029109b/2e54eaf6053945a2bc7434633434b9f2/FLAGa872ecae0 [2020-08-21 18:43:55,130 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 18:43:55,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-08-21 18:43:55,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d029109b/2e54eaf6053945a2bc7434633434b9f2/FLAGa872ecae0 [2020-08-21 18:43:55,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d029109b/2e54eaf6053945a2bc7434633434b9f2 [2020-08-21 18:43:55,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 18:43:55,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 18:43:55,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 18:43:55,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 18:43:55,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 18:43:55,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:43:55" (1/1) ... [2020-08-21 18:43:55,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fec7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:55, skipping insertion in model container [2020-08-21 18:43:55,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:43:55" (1/1) ... [2020-08-21 18:43:55,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 18:43:55,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 18:43:55,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:43:55,973 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 18:43:56,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:43:56,077 INFO L208 MainTranslator]: Completed translation [2020-08-21 18:43:56,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56 WrapperNode [2020-08-21 18:43:56,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 18:43:56,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 18:43:56,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 18:43:56,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 18:43:56,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (1/1) ... [2020-08-21 18:43:56,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (1/1) ... [2020-08-21 18:43:56,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (1/1) ... [2020-08-21 18:43:56,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (1/1) ... [2020-08-21 18:43:56,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (1/1) ... [2020-08-21 18:43:56,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (1/1) ... [2020-08-21 18:43:56,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (1/1) ... [2020-08-21 18:43:56,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 18:43:56,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 18:43:56,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 18:43:56,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 18:43:56,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (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 [2020-08-21 18:43:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 18:43:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 18:43:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 18:43:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 18:43:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 18:43:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 18:43:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 18:43:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 18:43:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 18:43:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 18:43:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 18:43:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 18:43:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 18:43:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 18:43:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 18:43:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 18:43:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 18:43:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 18:43:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 18:43:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 18:43:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 18:43:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 18:43:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 18:43:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 18:43:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 18:43:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 18:43:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 18:43:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 18:43:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 18:43:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 18:43:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 18:43:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 18:43:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 18:43:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 18:43:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 18:43:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 18:43:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 18:43:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 18:43:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 18:43:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 18:43:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 18:43:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 18:43:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 18:43:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 18:43:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 18:43:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 18:43:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 18:43:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 18:43:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 18:43:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 18:43:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 18:43:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 18:43:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 18:43:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 18:43:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 18:43:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 18:43:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 18:43:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 18:43:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 18:43:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 18:43:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 18:43:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 18:43:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 18:43:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 18:43:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 18:43:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 18:43:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 18:43:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 18:43:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 18:43:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 18:43:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 18:43:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 18:43:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 18:43:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 18:43:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 18:43:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 18:43:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 18:43:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 18:43:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 18:43:57,320 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 18:43:57,321 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 18:43:57,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:43:57 BoogieIcfgContainer [2020-08-21 18:43:57,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 18:43:57,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 18:43:57,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 18:43:57,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 18:43:57,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 06:43:55" (1/3) ... [2020-08-21 18:43:57,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf3fd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:43:57, skipping insertion in model container [2020-08-21 18:43:57,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:43:56" (2/3) ... [2020-08-21 18:43:57,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf3fd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:43:57, skipping insertion in model container [2020-08-21 18:43:57,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:43:57" (3/3) ... [2020-08-21 18:43:57,338 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-08-21 18:43:57,348 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 18:43:57,356 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 18:43:57,366 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 18:43:57,389 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 18:43:57,389 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 18:43:57,389 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 18:43:57,390 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 18:43:57,390 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 18:43:57,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 18:43:57,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 18:43:57,390 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 18:43:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-08-21 18:43:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 18:43:57,424 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:43:57,425 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] [2020-08-21 18:43:57,425 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:43:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:43:57,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1269401024, now seen corresponding path program 1 times [2020-08-21 18:43:57,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:43:57,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293902559] [2020-08-21 18:43:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:43:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,126 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:43:58,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:43:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:43:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:43:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:43:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:43:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 18:43:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 18:43:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 18:43:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:43:58,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293902559] [2020-08-21 18:43:58,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:43:58,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 18:43:58,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269343803] [2020-08-21 18:43:58,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 18:43:58,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:43:58,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 18:43:58,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 18:43:58,241 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2020-08-21 18:43:59,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:43:59,237 INFO L93 Difference]: Finished difference Result 236 states and 314 transitions. [2020-08-21 18:43:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 18:43:59,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 18:43:59,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:43:59,254 INFO L225 Difference]: With dead ends: 236 [2020-08-21 18:43:59,254 INFO L226 Difference]: Without dead ends: 133 [2020-08-21 18:43:59,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 18:43:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-08-21 18:43:59,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-08-21 18:43:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-21 18:43:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2020-08-21 18:43:59,359 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2020-08-21 18:43:59,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:43:59,360 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2020-08-21 18:43:59,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 18:43:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-08-21 18:43:59,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 18:43:59,365 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:43:59,365 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] [2020-08-21 18:43:59,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 18:43:59,366 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:43:59,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:43:59,366 INFO L82 PathProgramCache]: Analyzing trace with hash 595669144, now seen corresponding path program 1 times [2020-08-21 18:43:59,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:43:59,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371443945] [2020-08-21 18:43:59,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:43:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,748 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:43:59,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:43:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:43:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:43:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:43:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:43:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 18:43:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 18:43:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 18:43:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:43:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:43:59,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1371443945] [2020-08-21 18:43:59,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:43:59,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 18:43:59,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313201682] [2020-08-21 18:43:59,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 18:43:59,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:43:59,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 18:43:59,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 18:43:59,805 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 5 states. [2020-08-21 18:44:00,268 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 18:44:00,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:44:00,981 INFO L93 Difference]: Finished difference Result 181 states and 225 transitions. [2020-08-21 18:44:00,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 18:44:00,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 18:44:00,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:44:00,985 INFO L225 Difference]: With dead ends: 181 [2020-08-21 18:44:00,985 INFO L226 Difference]: Without dead ends: 123 [2020-08-21 18:44:00,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 18:44:00,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-21 18:44:01,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-21 18:44:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-21 18:44:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-21 18:44:01,019 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2020-08-21 18:44:01,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:44:01,019 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-21 18:44:01,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 18:44:01,020 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-21 18:44:01,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 18:44:01,022 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:44:01,022 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] [2020-08-21 18:44:01,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 18:44:01,022 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:44:01,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:44:01,023 INFO L82 PathProgramCache]: Analyzing trace with hash 111621899, now seen corresponding path program 1 times [2020-08-21 18:44:01,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:44:01,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040125087] [2020-08-21 18:44:01,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:44:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,330 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:44:01,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:44:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:44:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:44:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:44:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:44:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 18:44:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 18:44:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 18:44:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:44:01,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040125087] [2020-08-21 18:44:01,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:44:01,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 18:44:01,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478678578] [2020-08-21 18:44:01,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 18:44:01,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:44:01,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 18:44:01,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 18:44:01,428 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 9 states. [2020-08-21 18:44:01,841 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 18:44:02,150 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:02,392 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:02,659 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:03,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:44:03,635 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2020-08-21 18:44:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 18:44:03,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 18:44:03,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:44:03,638 INFO L225 Difference]: With dead ends: 190 [2020-08-21 18:44:03,639 INFO L226 Difference]: Without dead ends: 123 [2020-08-21 18:44:03,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 18:44:03,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-21 18:44:03,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-21 18:44:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-21 18:44:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-21 18:44:03,671 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2020-08-21 18:44:03,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:44:03,672 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-21 18:44:03,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 18:44:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-21 18:44:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 18:44:03,674 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:44:03,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:44:03,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 18:44:03,675 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:44:03,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:44:03,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1110138086, now seen corresponding path program 1 times [2020-08-21 18:44:03,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:44:03,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042955585] [2020-08-21 18:44:03,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:44:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:03,974 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:44:03,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:44:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:44:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:44:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:44:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:44:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 18:44:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 18:44:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 18:44:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 18:44:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 18:44:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:44:04,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042955585] [2020-08-21 18:44:04,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:44:04,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 18:44:04,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899821345] [2020-08-21 18:44:04,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 18:44:04,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:44:04,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 18:44:04,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 18:44:04,082 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 9 states. [2020-08-21 18:44:04,442 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 18:44:05,371 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:05,705 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 18:44:06,282 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:06,527 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:44:07,064 INFO L93 Difference]: Finished difference Result 292 states and 393 transitions. [2020-08-21 18:44:07,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 18:44:07,070 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 18:44:07,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:44:07,074 INFO L225 Difference]: With dead ends: 292 [2020-08-21 18:44:07,075 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 18:44:07,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 18:44:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 18:44:07,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 152. [2020-08-21 18:44:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-21 18:44:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2020-08-21 18:44:07,130 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2020-08-21 18:44:07,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:44:07,130 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2020-08-21 18:44:07,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 18:44:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2020-08-21 18:44:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 18:44:07,132 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:44:07,132 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:44:07,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 18:44:07,133 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:44:07,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:44:07,133 INFO L82 PathProgramCache]: Analyzing trace with hash 494399618, now seen corresponding path program 1 times [2020-08-21 18:44:07,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:44:07,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647168290] [2020-08-21 18:44:07,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:44:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,467 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:44:07,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:44:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:44:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:44:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:44:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:44:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 18:44:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 18:44:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 18:44:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 18:44:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 18:44:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 18:44:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:44:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:44:07,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647168290] [2020-08-21 18:44:07,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:44:07,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 18:44:07,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356495716] [2020-08-21 18:44:07,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 18:44:07,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:44:07,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 18:44:07,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 18:44:07,577 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 10 states. [2020-08-21 18:44:07,976 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 18:44:08,795 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:09,081 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:09,320 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 18:44:09,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:44:09,533 INFO L93 Difference]: Finished difference Result 279 states and 356 transitions. [2020-08-21 18:44:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 18:44:09,534 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-21 18:44:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:44:09,534 INFO L225 Difference]: With dead ends: 279 [2020-08-21 18:44:09,535 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 18:44:09,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-21 18:44:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 18:44:09,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 18:44:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 18:44:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 18:44:09,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-21 18:44:09,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:44:09,538 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 18:44:09,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 18:44:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 18:44:09,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 18:44:09,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 18:44:09,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 18:44:09,793 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2020-08-21 18:44:10,232 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-21 18:44:11,482 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-21 18:44:11,642 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 18:44:11,884 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 18:44:12,069 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-21 18:44:12,260 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 18:44:12,415 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 18:44:12,612 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:44:12,948 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 18:44:13,351 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-21 18:44:13,664 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 18:44:13,980 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 18:44:14,311 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 18:44:14,482 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 18:44:14,657 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 18:44:14,841 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 18:44:14,996 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 18:44:15,151 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 18:44:15,498 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-21 18:44:15,674 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-21 18:44:15,838 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-21 18:44:16,149 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 18:44:16,423 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 18:44:16,428 INFO L268 CegarLoopResult]: For program point L598(lines 598 602) no Hoare annotation was computed. [2020-08-21 18:44:16,428 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2020-08-21 18:44:16,428 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 567 622) no Hoare annotation was computed. [2020-08-21 18:44:16,428 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-08-21 18:44:16,428 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2020-08-21 18:44:16,428 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2020-08-21 18:44:16,428 INFO L268 CegarLoopResult]: For program point L614(lines 591 615) no Hoare annotation was computed. [2020-08-21 18:44:16,429 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2020-08-21 18:44:16,429 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-08-21 18:44:16,429 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-08-21 18:44:16,429 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2020-08-21 18:44:16,429 INFO L268 CegarLoopResult]: For program point L655(lines 655 659) no Hoare annotation was computed. [2020-08-21 18:44:16,429 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2020-08-21 18:44:16,430 INFO L268 CegarLoopResult]: For program point L655-1(lines 655 659) no Hoare annotation was computed. [2020-08-21 18:44:16,430 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-08-21 18:44:16,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2020-08-21 18:44:16,430 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2020-08-21 18:44:16,430 INFO L268 CegarLoopResult]: For program point L675(lines 648 676) no Hoare annotation was computed. [2020-08-21 18:44:16,431 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 408 414) the Hoare annotation is: true [2020-08-21 18:44:16,431 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 408 414) no Hoare annotation was computed. [2020-08-21 18:44:16,431 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 415 423) no Hoare annotation was computed. [2020-08-21 18:44:16,431 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 415 423) the Hoare annotation is: true [2020-08-21 18:44:16,431 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 415 423) no Hoare annotation was computed. [2020-08-21 18:44:16,431 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,431 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,432 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,432 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,432 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-21 18:44:16,432 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-21 18:44:16,432 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,432 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-21 18:44:16,433 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-21 18:44:16,434 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 344 352) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point L372(lines 372 380) no Hoare annotation was computed. [2020-08-21 18:44:16,435 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 380) no Hoare annotation was computed. [2020-08-21 18:44:16,436 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 353 388) no Hoare annotation was computed. [2020-08-21 18:44:16,436 INFO L268 CegarLoopResult]: For program point L360(lines 360 368) no Hoare annotation was computed. [2020-08-21 18:44:16,436 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 353 388) no Hoare annotation was computed. [2020-08-21 18:44:16,436 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 368) no Hoare annotation was computed. [2020-08-21 18:44:16,436 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 353 388) no Hoare annotation was computed. [2020-08-21 18:44:16,436 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 401 407) no Hoare annotation was computed. [2020-08-21 18:44:16,436 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 401 407) the Hoare annotation is: true [2020-08-21 18:44:16,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 521 566) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 834 879) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point L848-1(lines 848 868) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2020-08-21 18:44:16,437 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,438 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,438 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-21 18:44:16,438 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-21 18:44:16,438 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-08-21 18:44:16,438 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2020-08-21 18:44:16,438 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2020-08-21 18:44:16,438 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 333 343) no Hoare annotation was computed. [2020-08-21 18:44:16,438 INFO L271 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: true [2020-08-21 18:44:16,439 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2020-08-21 18:44:16,439 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2020-08-21 18:44:16,439 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 325 332) no Hoare annotation was computed. [2020-08-21 18:44:16,439 INFO L264 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,439 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2020-08-21 18:44:16,439 INFO L268 CegarLoopResult]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2020-08-21 18:44:16,439 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 292 316) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,439 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,440 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,440 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-08-21 18:44:16,440 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,440 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed. [2020-08-21 18:44:16,440 INFO L268 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2020-08-21 18:44:16,440 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2020-08-21 18:44:16,440 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2020-08-21 18:44:16,440 INFO L264 CegarLoopResult]: At program point testENTRY(lines 188 251) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,441 INFO L268 CegarLoopResult]: For program point testFINAL(lines 188 251) no Hoare annotation was computed. [2020-08-21 18:44:16,441 INFO L264 CegarLoopResult]: At program point L244(lines 197 245) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:44:16,441 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-21 18:44:16,441 INFO L264 CegarLoopResult]: At program point L234-2(lines 228 239) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:44:16,441 INFO L268 CegarLoopResult]: For program point L199(lines 198 243) no Hoare annotation was computed. [2020-08-21 18:44:16,441 INFO L268 CegarLoopResult]: For program point L228(lines 228 239) no Hoare annotation was computed. [2020-08-21 18:44:16,441 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:44:16,441 INFO L268 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-08-21 18:44:16,442 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2020-08-21 18:44:16,442 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:44:16,442 INFO L264 CegarLoopResult]: At program point L241(lines 198 243) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:44:16,442 INFO L268 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-08-21 18:44:16,442 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2020-08-21 18:44:16,442 INFO L268 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L268 CegarLoopResult]: For program point testEXIT(lines 188 251) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 788 833) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L268 CegarLoopResult]: For program point L808(lines 808 815) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L268 CegarLoopResult]: For program point L802(lines 802 822) no Hoare annotation was computed. [2020-08-21 18:44:16,443 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 18:44:16,444 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 18:44:16,444 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-08-21 18:44:16,444 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-08-21 18:44:16,444 INFO L264 CegarLoopResult]: At program point L168(line 168) 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))) [2020-08-21 18:44:16,444 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-08-21 18:44:16,444 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-08-21 18:44:16,444 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-08-21 18:44:16,445 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 18:44:16,445 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-08-21 18:44:16,445 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-08-21 18:44:16,445 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 18:44:16,445 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-08-21 18:44:16,445 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-08-21 18:44:16,445 INFO L268 CegarLoopResult]: For program point L481(lines 481 489) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 489) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 473 495) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 473 495) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 473 495) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 391 400) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 391 400) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 391 400) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point L735(lines 734 754) no Hoare annotation was computed. [2020-08-21 18:44:16,446 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point L731(lines 731 772) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-08-21 18:44:16,447 INFO L268 CegarLoopResult]: For program point L773(lines 773 784) no Hoare annotation was computed. [2020-08-21 18:44:16,448 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-08-21 18:44:16,448 INFO L268 CegarLoopResult]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2020-08-21 18:44:16,448 INFO L268 CegarLoopResult]: For program point L755(lines 733 756) no Hoare annotation was computed. [2020-08-21 18:44:16,448 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2020-08-21 18:44:16,448 INFO L268 CegarLoopResult]: For program point L714(lines 714 730) no Hoare annotation was computed. [2020-08-21 18:44:16,448 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-08-21 18:44:16,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:44:16,449 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 18:44:16,449 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:44:16,449 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 317 324) no Hoare annotation was computed. [2020-08-21 18:44:16,449 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 317 324) no Hoare annotation was computed. [2020-08-21 18:44:16,449 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 317 324) no Hoare annotation was computed. [2020-08-21 18:44:16,449 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 496 504) no Hoare annotation was computed. [2020-08-21 18:44:16,449 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 496 504) no Hoare annotation was computed. [2020-08-21 18:44:16,450 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 496 504) no Hoare annotation was computed. [2020-08-21 18:44:16,450 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 452 463) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 18:44:16,450 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-08-21 18:44:16,450 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-08-21 18:44:16,450 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:44:16,450 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 18:44:16,450 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:44:16,451 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,451 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,451 INFO L264 CegarLoopResult]: At program point L271(lines 271 277) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,451 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2020-08-21 18:44:16,451 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:44:16,451 INFO L268 CegarLoopResult]: For program point L264(lines 263 282) no Hoare annotation was computed. [2020-08-21 18:44:16,451 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2020-08-21 18:44:16,452 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-21 18:44:16,452 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-21 18:44:16,452 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-21 18:44:16,452 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-21 18:44:16,452 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-21 18:44:16,452 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-21 18:44:16,452 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-21 18:44:16,452 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-21 18:44:16,453 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-21 18:44:16,453 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-21 18:44:16,453 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 464 472) the Hoare annotation is: true [2020-08-21 18:44:16,453 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 464 472) no Hoare annotation was computed. [2020-08-21 18:44:16,453 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 464 472) no Hoare annotation was computed. [2020-08-21 18:44:16,453 INFO L268 CegarLoopResult]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2020-08-21 18:44:16,453 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 428 439) the Hoare annotation is: true [2020-08-21 18:44:16,453 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 428 439) no Hoare annotation was computed. [2020-08-21 18:44:16,453 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-21 18:44:16,454 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-21 18:44:16,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:44:16,454 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 18:44:16,454 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 18:44:16,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:44:16,454 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 440 451) no Hoare annotation was computed. [2020-08-21 18:44:16,454 INFO L268 CegarLoopResult]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2020-08-21 18:44:16,454 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 440 451) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 18:44:16,454 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 506 513) no Hoare annotation was computed. [2020-08-21 18:44:16,455 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2020-08-21 18:44:16,455 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 506 513) the Hoare annotation is: true [2020-08-21 18:44:16,455 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 506 513) no Hoare annotation was computed. [2020-08-21 18:44:16,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 06:44:16 BoogieIcfgContainer [2020-08-21 18:44:16,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 18:44:16,474 INFO L168 Benchmark]: Toolchain (without parser) took 21024.75 ms. Allocated memory was 141.0 MB in the beginning and 598.7 MB in the end (delta: 457.7 MB). Free memory was 103.2 MB in the beginning and 454.5 MB in the end (delta: -351.3 MB). Peak memory consumption was 438.0 MB. Max. memory is 7.1 GB. [2020-08-21 18:44:16,474 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 18:44:16,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.14 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.0 MB in the beginning and 173.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-08-21 18:44:16,476 INFO L168 Benchmark]: Boogie Preprocessor took 100.25 ms. Allocated memory is still 204.5 MB. Free memory was 173.4 MB in the beginning and 169.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-21 18:44:16,477 INFO L168 Benchmark]: RCFGBuilder took 1151.45 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 169.1 MB in the beginning and 200.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-21 18:44:16,478 INFO L168 Benchmark]: TraceAbstraction took 19140.17 ms. Allocated memory was 237.0 MB in the beginning and 598.7 MB in the end (delta: 361.8 MB). Free memory was 200.8 MB in the beginning and 454.5 MB in the end (delta: -253.7 MB). Peak memory consumption was 439.6 MB. Max. memory is 7.1 GB. [2020-08-21 18:44:16,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.14 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.0 MB in the beginning and 173.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.25 ms. Allocated memory is still 204.5 MB. Free memory was 173.4 MB in the beginning and 169.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1151.45 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 169.1 MB in the beginning and 200.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19140.17 ms. Allocated memory was 237.0 MB in the beginning and 598.7 MB in the end (delta: 361.8 MB). Free memory was 200.8 MB in the beginning and 454.5 MB in the end (delta: -253.7 MB). Peak memory consumption was 439.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 416 SDtfs, 779 SDslu, 362 SDs, 0 SdLazy, 1684 SolverSat, 535 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 758 HoareAnnotationTreeSize, 246 FomulaSimplifications, 90186 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 8752 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 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...