/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 04:16:20,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 04:16:20,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 04:16:20,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 04:16:20,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 04:16:20,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 04:16:20,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 04:16:20,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 04:16:20,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 04:16:20,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 04:16:20,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 04:16:20,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 04:16:20,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 04:16:20,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 04:16:20,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 04:16:20,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 04:16:20,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 04:16:20,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 04:16:20,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 04:16:20,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 04:16:20,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 04:16:20,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 04:16:20,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 04:16:20,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 04:16:20,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 04:16:20,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 04:16:20,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 04:16:20,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 04:16:20,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 04:16:20,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 04:16:20,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 04:16:20,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 04:16:20,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 04:16:20,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 04:16:20,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 04:16:20,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 04:16:20,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 04:16:20,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 04:16:20,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 04:16:20,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 04:16:20,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 04:16:20,157 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 [2020-08-19 04:16:20,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 04:16:20,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 04:16:20,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 04:16:20,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 04:16:20,200 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 04:16:20,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 04:16:20,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 04:16:20,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 04:16:20,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 04:16:20,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 04:16:20,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 04:16:20,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 04:16:20,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 04:16:20,203 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 04:16:20,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 04:16:20,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 04:16:20,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 04:16:20,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 04:16:20,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 04:16:20,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 04:16:20,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 04:16:20,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:16:20,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 04:16:20,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 04:16:20,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 04:16:20,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 04:16:20,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 04:16:20,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 04:16:20,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 04:16:20,206 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=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; [2020-08-19 04:16:20,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 04:16:20,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 04:16:20,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 04:16:20,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 04:16:20,517 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 04:16:20,517 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-08-19 04:16:20,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a3b2bf59/eafab98b5a6b4f01a18afc83ff93f608/FLAG8bcf726d7 [2020-08-19 04:16:21,084 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 04:16:21,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-08-19 04:16:21,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a3b2bf59/eafab98b5a6b4f01a18afc83ff93f608/FLAG8bcf726d7 [2020-08-19 04:16:21,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a3b2bf59/eafab98b5a6b4f01a18afc83ff93f608 [2020-08-19 04:16:21,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 04:16:21,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 04:16:21,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 04:16:21,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 04:16:21,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 04:16:21,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:16:21" (1/1) ... [2020-08-19 04:16:21,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c9d73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:21, skipping insertion in model container [2020-08-19 04:16:21,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:16:21" (1/1) ... [2020-08-19 04:16:21,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 04:16:21,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 04:16:21,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:16:21,913 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 04:16:22,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:16:22,097 INFO L208 MainTranslator]: Completed translation [2020-08-19 04:16:22,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22 WrapperNode [2020-08-19 04:16:22,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 04:16:22,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 04:16:22,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 04:16:22,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 04:16:22,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (1/1) ... [2020-08-19 04:16:22,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (1/1) ... [2020-08-19 04:16:22,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (1/1) ... [2020-08-19 04:16:22,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (1/1) ... [2020-08-19 04:16:22,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (1/1) ... [2020-08-19 04:16:22,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (1/1) ... [2020-08-19 04:16:22,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (1/1) ... [2020-08-19 04:16:22,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 04:16:22,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 04:16:22,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 04:16:22,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 04:16:22,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (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 [2020-08-19 04:16:22,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 04:16:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 04:16:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 04:16:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 04:16:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 04:16:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 04:16:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 04:16:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 04:16:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 04:16:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 04:16:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 04:16:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 04:16:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 04:16:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 04:16:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 04:16:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 04:16:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 04:16:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 04:16:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 04:16:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 04:16:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 04:16:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 04:16:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 04:16:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 04:16:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 04:16:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-19 04:16:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-19 04:16:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-19 04:16:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 04:16:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 04:16:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 04:16:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 04:16:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 04:16:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 04:16:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 04:16:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 04:16:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 04:16:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 04:16:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 04:16:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 04:16:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 04:16:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 04:16:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 04:16:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 04:16:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 04:16:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 04:16:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 04:16:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 04:16:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 04:16:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 04:16:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 04:16:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 04:16:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 04:16:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 04:16:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 04:16:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 04:16:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 04:16:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 04:16:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 04:16:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 04:16:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 04:16:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 04:16:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 04:16:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 04:16:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 04:16:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 04:16:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 04:16:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 04:16:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 04:16:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-19 04:16:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-19 04:16:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 04:16:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 04:16:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 04:16:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 04:16:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 04:16:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-19 04:16:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 04:16:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 04:16:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 04:16:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 04:16:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 04:16:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 04:16:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 04:16:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 04:16:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 04:16:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 04:16:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 04:16:23,233 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 04:16:23,234 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 04:16:23,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:16:23 BoogieIcfgContainer [2020-08-19 04:16:23,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 04:16:23,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 04:16:23,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 04:16:23,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 04:16:23,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 04:16:21" (1/3) ... [2020-08-19 04:16:23,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cf1797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:16:23, skipping insertion in model container [2020-08-19 04:16:23,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:16:22" (2/3) ... [2020-08-19 04:16:23,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cf1797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:16:23, skipping insertion in model container [2020-08-19 04:16:23,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:16:23" (3/3) ... [2020-08-19 04:16:23,247 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2020-08-19 04:16:23,257 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 04:16:23,264 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 04:16:23,277 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 04:16:23,300 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 04:16:23,301 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 04:16:23,301 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 04:16:23,301 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 04:16:23,302 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 04:16:23,302 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 04:16:23,302 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 04:16:23,302 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 04:16:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-08-19 04:16:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-19 04:16:23,332 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:16:23,333 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:16:23,334 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:16:23,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:16:23,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1661019057, now seen corresponding path program 1 times [2020-08-19 04:16:23,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:16:23,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308792771] [2020-08-19 04:16:23,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:16:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:23,974 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:16:23,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:16:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:16:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:16:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:16:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:16:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 04:16:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 04:16:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-19 04:16:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-19 04:16:24,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308792771] [2020-08-19 04:16:24,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:16:24,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 04:16:24,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894036387] [2020-08-19 04:16:24,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 04:16:24,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:16:24,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 04:16:24,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-19 04:16:24,090 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 4 states. [2020-08-19 04:16:24,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:16:24,864 INFO L93 Difference]: Finished difference Result 215 states and 284 transitions. [2020-08-19 04:16:24,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-19 04:16:24,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-19 04:16:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:16:24,880 INFO L225 Difference]: With dead ends: 215 [2020-08-19 04:16:24,881 INFO L226 Difference]: Without dead ends: 121 [2020-08-19 04:16:24,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-19 04:16:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-19 04:16:24,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 95. [2020-08-19 04:16:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-19 04:16:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-19 04:16:24,987 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 59 [2020-08-19 04:16:24,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:16:24,988 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-19 04:16:24,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 04:16:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-19 04:16:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-19 04:16:24,993 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:16:24,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:16:24,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 04:16:24,993 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:16:24,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:16:24,994 INFO L82 PathProgramCache]: Analyzing trace with hash 828652057, now seen corresponding path program 1 times [2020-08-19 04:16:24,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:16:24,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526953355] [2020-08-19 04:16:24,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:16:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,313 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:16:25,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:16:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:16:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:16:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:16:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:16:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 04:16:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-19 04:16:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 04:16:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-19 04:16:25,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526953355] [2020-08-19 04:16:25,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:16:25,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 04:16:25,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071971647] [2020-08-19 04:16:25,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 04:16:25,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:16:25,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 04:16:25,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 04:16:25,379 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-08-19 04:16:25,856 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 04:16:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:16:26,370 INFO L93 Difference]: Finished difference Result 156 states and 192 transitions. [2020-08-19 04:16:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 04:16:26,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-19 04:16:26,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:16:26,373 INFO L225 Difference]: With dead ends: 156 [2020-08-19 04:16:26,374 INFO L226 Difference]: Without dead ends: 111 [2020-08-19 04:16:26,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:16:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-19 04:16:26,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2020-08-19 04:16:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-08-19 04:16:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-08-19 04:16:26,415 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 60 [2020-08-19 04:16:26,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:16:26,416 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-08-19 04:16:26,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 04:16:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-08-19 04:16:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-19 04:16:26,418 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:16:26,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:16:26,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 04:16:26,419 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:16:26,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:16:26,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1426566225, now seen corresponding path program 1 times [2020-08-19 04:16:26,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:16:26,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884516914] [2020-08-19 04:16:26,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:16:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,764 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:16:26,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:16:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:16:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:16:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:16:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:16:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 04:16:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-19 04:16:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-19 04:16:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-19 04:16:26,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884516914] [2020-08-19 04:16:26,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:16:26,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 04:16:26,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680415611] [2020-08-19 04:16:26,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:16:26,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:16:26,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:16:26,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:16:26,931 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 9 states. [2020-08-19 04:16:27,261 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 04:16:27,580 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 04:16:27,820 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 04:16:28,042 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 04:16:28,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:16:28,854 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2020-08-19 04:16:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 04:16:28,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-19 04:16:28,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:16:28,857 INFO L225 Difference]: With dead ends: 169 [2020-08-19 04:16:28,858 INFO L226 Difference]: Without dead ends: 111 [2020-08-19 04:16:28,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:16:28,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-19 04:16:28,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2020-08-19 04:16:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-08-19 04:16:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2020-08-19 04:16:28,881 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 65 [2020-08-19 04:16:28,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:16:28,882 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2020-08-19 04:16:28,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:16:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2020-08-19 04:16:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-19 04:16:28,883 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:16:28,883 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:16:28,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 04:16:28,884 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:16:28,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:16:28,884 INFO L82 PathProgramCache]: Analyzing trace with hash -116553072, now seen corresponding path program 1 times [2020-08-19 04:16:28,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:16:28,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13202032] [2020-08-19 04:16:28,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:16:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,187 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:16:29,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:16:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:16:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:16:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:16:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:16:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 04:16:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:16:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-19 04:16:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-19 04:16:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-19 04:16:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:16:29,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 04:16:29,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13202032] [2020-08-19 04:16:29,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:16:29,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:16:29,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77161443] [2020-08-19 04:16:29,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:16:29,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:16:29,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:16:29,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:16:29,278 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 8 states. [2020-08-19 04:16:29,621 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 04:16:30,239 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 04:16:30,745 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 04:16:30,976 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 04:16:31,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:16:31,027 INFO L93 Difference]: Finished difference Result 161 states and 201 transitions. [2020-08-19 04:16:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 04:16:31,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-08-19 04:16:31,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:16:31,029 INFO L225 Difference]: With dead ends: 161 [2020-08-19 04:16:31,029 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 04:16:31,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:16:31,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 04:16:31,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 04:16:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 04:16:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 04:16:31,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-19 04:16:31,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:16:31,032 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 04:16:31,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:16:31,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 04:16:31,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 04:16:31,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 04:16:31,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 04:16:32,010 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-08-19 04:16:32,160 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-08-19 04:16:32,374 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-08-19 04:16:32,550 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-19 04:16:32,742 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-19 04:16:32,907 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-19 04:16:33,075 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-08-19 04:16:33,231 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-08-19 04:16:33,453 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:16:33,638 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-08-19 04:16:33,799 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 16 [2020-08-19 04:16:33,996 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-08-19 04:16:34,138 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-19 04:16:34,330 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-19 04:16:34,479 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-19 04:16:34,483 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-19 04:16:34,483 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-19 04:16:34,484 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 04:16:34,484 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-19 04:16:34,484 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-19 04:16:34,484 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-19 04:16:34,484 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-19 04:16:34,484 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-19 04:16:34,485 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 04:16:34,485 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-19 04:16:34,485 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-19 04:16:34,485 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-19 04:16:34,486 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-19 04:16:34,486 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 04:16:34,486 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-19 04:16:34,486 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-19 04:16:34,487 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-19 04:16:34,487 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-19 04:16:34,487 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 765 771) the Hoare annotation is: true [2020-08-19 04:16:34,487 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 765 771) no Hoare annotation was computed. [2020-08-19 04:16:34,487 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 772 780) no Hoare annotation was computed. [2020-08-19 04:16:34,487 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 772 780) the Hoare annotation is: true [2020-08-19 04:16:34,488 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 772 780) no Hoare annotation was computed. [2020-08-19 04:16:34,488 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 696 703) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-19 04:16:34,488 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 696 703) no Hoare annotation was computed. [2020-08-19 04:16:34,488 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 696 703) no Hoare annotation was computed. [2020-08-19 04:16:34,488 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 704 713) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-19 04:16:34,489 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 704 713) no Hoare annotation was computed. [2020-08-19 04:16:34,489 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 704 713) no Hoare annotation was computed. [2020-08-19 04:16:34,489 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-08-19 04:16:34,489 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-19 04:16:34,489 INFO L268 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2020-08-19 04:16:34,489 INFO L268 CegarLoopResult]: For program point L726(lines 726 736) no Hoare annotation was computed. [2020-08-19 04:16:34,489 INFO L271 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: true [2020-08-19 04:16:34,490 INFO L268 CegarLoopResult]: For program point L724-1(line 724) no Hoare annotation was computed. [2020-08-19 04:16:34,490 INFO L268 CegarLoopResult]: For program point L722(lines 722 739) no Hoare annotation was computed. [2020-08-19 04:16:34,490 INFO L268 CegarLoopResult]: For program point L722-1(lines 714 742) no Hoare annotation was computed. [2020-08-19 04:16:34,490 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 714 742) the Hoare annotation is: true [2020-08-19 04:16:34,490 INFO L271 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: true [2020-08-19 04:16:34,490 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-08-19 04:16:34,490 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 714 742) no Hoare annotation was computed. [2020-08-19 04:16:34,491 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-08-19 04:16:34,491 INFO L268 CegarLoopResult]: For program point L865-1(lines 865 872) no Hoare annotation was computed. [2020-08-19 04:16:34,491 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-08-19 04:16:34,491 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 04:16:34,491 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 855 877) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 04:16:34,491 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 04:16:34,492 INFO L264 CegarLoopResult]: At program point L861-1(line 861) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 04:16:34,492 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 855 877) no Hoare annotation was computed. [2020-08-19 04:16:34,492 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 855 877) no Hoare annotation was computed. [2020-08-19 04:16:34,492 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-19 04:16:34,492 INFO L264 CegarLoopResult]: At program point L867-1(line 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-19 04:16:34,492 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2020-08-19 04:16:34,493 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-19 04:16:34,493 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-08-19 04:16:34,493 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-08-19 04:16:34,493 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 813 836) no Hoare annotation was computed. [2020-08-19 04:16:34,493 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-19 04:16:34,493 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2020-08-19 04:16:34,493 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-08-19 04:16:34,494 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-08-19 04:16:34,494 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-19 04:16:34,494 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-08-19 04:16:34,494 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-08-19 04:16:34,494 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-19 04:16:34,494 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-19 04:16:34,494 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-19 04:16:34,495 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-19 04:16:34,495 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-19 04:16:34,495 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 564 572) no Hoare annotation was computed. [2020-08-19 04:16:34,495 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 564 572) the Hoare annotation is: true [2020-08-19 04:16:34,495 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 564 572) no Hoare annotation was computed. [2020-08-19 04:16:34,495 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-08-19 04:16:34,495 INFO L268 CegarLoopResult]: For program point L603-1(line 603) no Hoare annotation was computed. [2020-08-19 04:16:34,496 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-08-19 04:16:34,496 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 573 608) no Hoare annotation was computed. [2020-08-19 04:16:34,496 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2020-08-19 04:16:34,496 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 573 608) no Hoare annotation was computed. [2020-08-19 04:16:34,496 INFO L268 CegarLoopResult]: For program point L580(lines 580 588) no Hoare annotation was computed. [2020-08-19 04:16:34,496 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 573 608) no Hoare annotation was computed. [2020-08-19 04:16:34,496 INFO L268 CegarLoopResult]: For program point L580-2(lines 580 588) no Hoare annotation was computed. [2020-08-19 04:16:34,497 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 758 764) no Hoare annotation was computed. [2020-08-19 04:16:34,497 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 758 764) the Hoare annotation is: true [2020-08-19 04:16:34,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-19 04:16:34,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-19 04:16:34,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-19 04:16:34,497 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-19 04:16:34,497 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-19 04:16:34,497 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-19 04:16:34,498 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-19 04:16:34,498 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-19 04:16:34,498 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-19 04:16:34,498 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-19 04:16:34,498 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 844 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 04:16:34,498 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 844 854) no Hoare annotation was computed. [2020-08-19 04:16:34,498 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 844 854) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 553 563) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 553 563) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 553 563) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 545 552) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 545 552) no Hoare annotation was computed. [2020-08-19 04:16:34,499 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 545 552) no Hoare annotation was computed. [2020-08-19 04:16:34,500 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 530 536) no Hoare annotation was computed. [2020-08-19 04:16:34,500 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 530 536) the Hoare annotation is: true [2020-08-19 04:16:34,500 INFO L264 CegarLoopResult]: At program point testENTRY(lines 619 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 04:16:34,500 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-08-19 04:16:34,500 INFO L264 CegarLoopResult]: At program point L667-2(lines 659 672) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:16:34,500 INFO L268 CegarLoopResult]: For program point testFINAL(lines 619 684) no Hoare annotation was computed. [2020-08-19 04:16:34,500 INFO L268 CegarLoopResult]: For program point L630(lines 629 676) no Hoare annotation was computed. [2020-08-19 04:16:34,501 INFO L264 CegarLoopResult]: At program point L661(line 661) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:16:34,501 INFO L268 CegarLoopResult]: For program point L659(lines 659 672) no Hoare annotation was computed. [2020-08-19 04:16:34,501 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:16:34,501 INFO L268 CegarLoopResult]: For program point L649(lines 649 655) no Hoare annotation was computed. [2020-08-19 04:16:34,501 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2020-08-19 04:16:34,501 INFO L264 CegarLoopResult]: At program point L674(lines 629 676) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:16:34,502 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:16:34,502 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-08-19 04:16:34,502 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2020-08-19 04:16:34,502 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-08-19 04:16:34,502 INFO L264 CegarLoopResult]: At program point L677(lines 628 678) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-08-19 04:16:34,502 INFO L268 CegarLoopResult]: For program point testEXIT(lines 619 684) no Hoare annotation was computed. [2020-08-19 04:16:34,502 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2020-08-19 04:16:34,503 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point L467(lines 467 475) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-19 04:16:34,504 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-19 04:16:34,505 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-19 04:16:34,506 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 748 757) no Hoare annotation was computed. [2020-08-19 04:16:34,506 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 748 757) no Hoare annotation was computed. [2020-08-19 04:16:34,506 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 748 757) no Hoare annotation was computed. [2020-08-19 04:16:34,506 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:16:34,507 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 04:16:34,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:16:34,507 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 537 544) no Hoare annotation was computed. [2020-08-19 04:16:34,507 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 537 544) no Hoare annotation was computed. [2020-08-19 04:16:34,507 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 537 544) no Hoare annotation was computed. [2020-08-19 04:16:34,507 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 482 490) the Hoare annotation is: true [2020-08-19 04:16:34,507 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2020-08-19 04:16:34,508 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2020-08-19 04:16:34,508 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:16:34,508 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 04:16:34,508 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:16:34,508 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 04:16:34,508 INFO L268 CegarLoopResult]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2020-08-19 04:16:34,508 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2020-08-19 04:16:34,508 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 450 458) no Hoare annotation was computed. [2020-08-19 04:16:34,509 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2020-08-19 04:16:34,509 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2020-08-19 04:16:34,509 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-19 04:16:34,509 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-08-19 04:16:34,509 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-08-19 04:16:34,509 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-19 04:16:34,509 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-08-19 04:16:34,510 INFO L271 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: true [2020-08-19 04:16:34,510 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-08-19 04:16:34,510 INFO L271 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: true [2020-08-19 04:16:34,510 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2020-08-19 04:16:34,510 INFO L268 CegarLoopResult]: For program point L797(lines 797 801) no Hoare annotation was computed. [2020-08-19 04:16:34,510 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2020-08-19 04:16:34,510 INFO L271 CegarLoopResult]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2020-08-19 04:16:34,511 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-08-19 04:16:34,511 INFO L271 CegarLoopResult]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2020-08-19 04:16:34,511 INFO L271 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: true [2020-08-19 04:16:34,511 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-08-19 04:16:34,511 INFO L271 CegarLoopResult]: At program point L808(lines 783 812) the Hoare annotation is: true [2020-08-19 04:16:34,511 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-08-19 04:16:34,511 INFO L268 CegarLoopResult]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2020-08-19 04:16:34,511 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2020-08-19 04:16:34,512 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2020-08-19 04:16:34,512 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2020-08-19 04:16:34,512 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2020-08-19 04:16:34,512 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:16:34,512 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-19 04:16:34,512 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 04:16:34,512 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:16:34,513 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 609 616) no Hoare annotation was computed. [2020-08-19 04:16:34,513 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 609 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-19 04:16:34,513 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 609 616) no Hoare annotation was computed. [2020-08-19 04:16:34,513 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2020-08-19 04:16:34,513 INFO L268 CegarLoopResult]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2020-08-19 04:16:34,513 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-19 04:16:34,513 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 686 693) no Hoare annotation was computed. [2020-08-19 04:16:34,514 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2020-08-19 04:16:34,514 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 686 693) the Hoare annotation is: true [2020-08-19 04:16:34,514 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 686 693) no Hoare annotation was computed. [2020-08-19 04:16:34,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 04:16:34 BoogieIcfgContainer [2020-08-19 04:16:34,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 04:16:34,531 INFO L168 Benchmark]: Toolchain (without parser) took 13113.62 ms. Allocated memory was 138.9 MB in the beginning and 500.7 MB in the end (delta: 361.8 MB). Free memory was 101.2 MB in the beginning and 218.2 MB in the end (delta: -116.9 MB). Peak memory consumption was 320.9 MB. Max. memory is 7.1 GB. [2020-08-19 04:16:34,532 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 04:16:34,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.59 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 171.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-08-19 04:16:34,534 INFO L168 Benchmark]: Boogie Preprocessor took 80.60 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-19 04:16:34,535 INFO L168 Benchmark]: RCFGBuilder took 1058.02 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 200.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-08-19 04:16:34,535 INFO L168 Benchmark]: TraceAbstraction took 11288.81 ms. Allocated memory was 234.4 MB in the beginning and 500.7 MB in the end (delta: 266.3 MB). Free memory was 199.4 MB in the beginning and 218.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 323.6 MB. Max. memory is 7.1 GB. [2020-08-19 04:16:34,539 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.59 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 171.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.60 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1058.02 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 200.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11288.81 ms. Allocated memory was 234.4 MB in the beginning and 500.7 MB in the end (delta: 266.3 MB). Free memory was 199.4 MB in the beginning and 218.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 323.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 422 SDslu, 262 SDs, 0 SdLazy, 935 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 76 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 143 PreInvPairs, 163 NumberOfFragments, 591 HoareAnnotationTreeSize, 143 FomulaSimplifications, 10265 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4890 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 72742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...