/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:46:14,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:46:14,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:46:14,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:46:14,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:46:14,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:46:14,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:46:14,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:46:14,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:46:14,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:46:14,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:46:14,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:46:14,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:46:14,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:46:14,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:46:14,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:46:14,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:46:14,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:46:14,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:46:14,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:46:14,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:46:14,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:46:14,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:46:14,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:46:15,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:46:15,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:46:15,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:46:15,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:46:15,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:46:15,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:46:15,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:46:15,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:46:15,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:46:15,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:46:15,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:46:15,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:46:15,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:46:15,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:46:15,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:46:15,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:46:15,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:46:15,012 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 [2020-10-13 12:46:15,060 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:46:15,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:46:15,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:46:15,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:46:15,063 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:46:15,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:46:15,063 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:46:15,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:46:15,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:46:15,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:46:15,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:46:15,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:46:15,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:46:15,064 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:46:15,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:46:15,064 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:46:15,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:46:15,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:46:15,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:46:15,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:46:15,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:46:15,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:46:15,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:46:15,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:46:15,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:46:15,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:46:15,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:46:15,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:46:15,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:46:15,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:46:15,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:46:15,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:46:15,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:46:15,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:46:15,368 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:46:15,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-10-13 12:46:15,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fbe93189/b635f4894db34eb9b42eb179f2ff2db0/FLAG96f897929 [2020-10-13 12:46:15,979 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:46:15,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-10-13 12:46:15,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fbe93189/b635f4894db34eb9b42eb179f2ff2db0/FLAG96f897929 [2020-10-13 12:46:16,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fbe93189/b635f4894db34eb9b42eb179f2ff2db0 [2020-10-13 12:46:16,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:46:16,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:46:16,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:46:16,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:46:16,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:46:16,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:16,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16, skipping insertion in model container [2020-10-13 12:46:16,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:16,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:46:16,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:46:16,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:46:16,719 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:46:16,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:46:16,968 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:46:16,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16 WrapperNode [2020-10-13 12:46:16,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:46:16,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:46:16,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:46:16,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:46:16,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:16,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:17,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:17,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:17,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:17,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:17,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (1/1) ... [2020-10-13 12:46:17,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:46:17,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:46:17,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:46:17,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:46:17,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (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 [2020-10-13 12:46:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:46:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:46:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:46:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:46:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:46:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:46:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:46:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:46:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:46:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:46:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:46:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:46:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:46:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:46:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:46:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:46:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:46:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:46:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:46:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:46:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:46:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:46:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:46:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:46:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:46:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:46:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:46:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:46:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:46:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:46:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:46:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:46:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:46:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:46:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:46:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:46:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:46:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:46:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:46:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:46:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:46:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:46:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:46:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:46:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:46:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:46:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:46:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:46:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:46:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:46:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:46:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:46:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:46:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:46:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:46:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:46:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:46:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:46:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:46:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:46:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:46:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:46:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:46:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:46:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:46:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:46:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:46:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:46:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:46:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:46:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:46:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:46:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:46:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:46:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:46:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:46:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:46:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:46:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:46:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:46:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:46:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:46:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:46:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:46:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:46:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:46:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:46:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:46:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:46:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:46:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:46:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:46:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:46:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:46:18,275 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:46:18,275 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:46:18,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:46:18 BoogieIcfgContainer [2020-10-13 12:46:18,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:46:18,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:46:18,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:46:18,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:46:18,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:46:16" (1/3) ... [2020-10-13 12:46:18,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b02b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:46:18, skipping insertion in model container [2020-10-13 12:46:18,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:16" (2/3) ... [2020-10-13 12:46:18,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b02b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:46:18, skipping insertion in model container [2020-10-13 12:46:18,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:46:18" (3/3) ... [2020-10-13 12:46:18,290 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-10-13 12:46:18,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:46:18,310 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:46:18,325 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:46:18,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:46:18,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:46:18,351 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:46:18,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:46:18,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:46:18,352 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:46:18,352 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:46:18,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:46:18,375 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-10-13 12:46:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:46:18,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:18,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:46:18,387 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:18,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:18,393 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2020-10-13 12:46:18,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:18,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247007290] [2020-10-13 12:46:18,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:18,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:18,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:19,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:20,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:22,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:22,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:46:22,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:46:22,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3922 [2020-10-13 12:46:22,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:22,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:22,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:46:22,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:22,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:46:23,136 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:23,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:23,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 12:46:23,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:23,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:23,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:23,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:23,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:23,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:23,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:23,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:23,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:23,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:23,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:23,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:23,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:23,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:23,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:23,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:23,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:23,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:23,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:23,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:23,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:23,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:23,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:23,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:46:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:23,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:23,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:23,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:23,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:46:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:23,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:23,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:23,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:23,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:23,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:46:23,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247007290] [2020-10-13 12:46:23,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:23,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:46:23,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137330182] [2020-10-13 12:46:23,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:46:23,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:23,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:46:23,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:46:23,273 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-10-13 12:46:24,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:24,381 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-10-13 12:46:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:46:24,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:46:24,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:24,399 INFO L225 Difference]: With dead ends: 270 [2020-10-13 12:46:24,399 INFO L226 Difference]: Without dead ends: 147 [2020-10-13 12:46:24,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:46:24,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-13 12:46:24,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-10-13 12:46:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-13 12:46:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-10-13 12:46:24,490 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-10-13 12:46:24,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:24,492 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-10-13 12:46:24,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:46:24,492 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-10-13 12:46:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:46:24,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:24,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:46:24,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:46:24,496 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:24,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:24,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2020-10-13 12:46:24,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:24,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698451080] [2020-10-13 12:46:24,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:24,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:24,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:24,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:26,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:46:29,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:46:29,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4613 [2020-10-13 12:46:29,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:46:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:46:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:46:29,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:29,417 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:29,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:29,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:29,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:29,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:46:29,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:29,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:29,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:29,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:29,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:29,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:29,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:29,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:29,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:29,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:29,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:29,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:29,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:29,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:29,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:29,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:29,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:29,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:29,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:29,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:29,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:46:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:29,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:29,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:29,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:46:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:29,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:29,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:29,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:29,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:29,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:46:29,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698451080] [2020-10-13 12:46:29,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:29,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:46:29,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869939127] [2020-10-13 12:46:29,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:46:29,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:29,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:46:29,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:46:29,509 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-10-13 12:46:29,951 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:46:30,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:30,618 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-10-13 12:46:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:46:30,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:46:30,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:30,621 INFO L225 Difference]: With dead ends: 193 [2020-10-13 12:46:30,621 INFO L226 Difference]: Without dead ends: 131 [2020-10-13 12:46:30,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:46:30,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-13 12:46:30,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-10-13 12:46:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-13 12:46:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-10-13 12:46:30,683 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-10-13 12:46:30,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:30,683 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-10-13 12:46:30,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:46:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-10-13 12:46:30,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:46:30,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:30,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:46:30,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:46:30,694 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:30,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:30,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2020-10-13 12:46:30,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:30,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238448515] [2020-10-13 12:46:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:30,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:31,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:46:34,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:46:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3522 [2020-10-13 12:46:34,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:46:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:46:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:46:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,547 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:34,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:34,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:34,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 12:46:34,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:34,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:34,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:34,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:34,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:34,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:34,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:34,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:34,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:34,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:34,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:34,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:46:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:34,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:34,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:34,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:46:34,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:46:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:46:34,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:46:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:34,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:34,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:34,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:46:34,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:46:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:46:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:34,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:46:34,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238448515] [2020-10-13 12:46:34,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:34,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:46:34,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072764069] [2020-10-13 12:46:34,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:46:34,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:34,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:46:34,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:46:34,649 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2020-10-13 12:46:35,011 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:46:35,938 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:46:36,246 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:46:36,505 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:46:36,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:36,623 INFO L93 Difference]: Finished difference Result 178 states and 221 transitions. [2020-10-13 12:46:36,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:46:36,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:46:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:36,629 INFO L225 Difference]: With dead ends: 178 [2020-10-13 12:46:36,629 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:46:36,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:46:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:46:36,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:46:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:46:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:46:36,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-10-13 12:46:36,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:36,633 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:46:36,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:46:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:46:36,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:46:36,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:46:36,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:46:37,724 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:46:37,877 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:38,085 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:38,243 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:38,392 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:46:38,606 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:38,759 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:38,944 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:46:39,103 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:46:39,270 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:39,448 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:39,596 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:39,760 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:39,918 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:40,061 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:46:40,251 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:40,405 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:46:40,558 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:46:40,562 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 12:46:40,563 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-10-13 12:46:40,563 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-10-13 12:46:40,563 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-10-13 12:46:40,563 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-10-13 12:46:40,563 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-10-13 12:46:40,564 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-10-13 12:46:40,564 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-10-13 12:46:40,564 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-10-13 12:46:40,564 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-10-13 12:46:40,564 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 12:46:40,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-10-13 12:46:40,565 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-10-13 12:46:40,565 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-10-13 12:46:40,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-10-13 12:46:40,565 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 12:46:40,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-10-13 12:46:40,565 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-13 12:46:40,566 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2020-10-13 12:46:40,566 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2020-10-13 12:46:40,566 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2020-10-13 12:46:40,566 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2020-10-13 12:46:40,566 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2020-10-13 12:46:40,566 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-10-13 12:46:40,566 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-10-13 12:46:40,567 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:46:40,567 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-10-13 12:46:40,567 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-10-13 12:46:40,567 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-10-13 12:46:40,567 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-10-13 12:46:40,567 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-10-13 12:46:40,567 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-10-13 12:46:40,568 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-10-13 12:46:40,568 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,568 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,568 INFO L264 CegarLoopResult]: At program point L860-1(line 860) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,568 INFO L268 CegarLoopResult]: For program point L858(lines 858 865) no Hoare annotation was computed. [2020-10-13 12:46:40,568 INFO L268 CegarLoopResult]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2020-10-13 12:46:40,568 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2020-10-13 12:46:40,569 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-13 12:46:40,569 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,569 INFO L264 CegarLoopResult]: At program point L854(line 854) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,569 INFO L264 CegarLoopResult]: At program point L854-1(line 854) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,569 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2020-10-13 12:46:40,569 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2020-10-13 12:46:40,569 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2020-10-13 12:46:40,569 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-10-13 12:46:40,570 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-10-13 12:46:40,571 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-10-13 12:46:40,571 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-10-13 12:46:40,571 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-10-13 12:46:40,571 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-10-13 12:46:40,571 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-10-13 12:46:40,571 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-10-13 12:46:40,571 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-10-13 12:46:40,572 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,572 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-10-13 12:46:40,572 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,572 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-10-13 12:46:40,572 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-10-13 12:46:40,572 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-10-13 12:46:40,572 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-10-13 12:46:40,572 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-10-13 12:46:40,573 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-10-13 12:46:40,573 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-10-13 12:46:40,573 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-10-13 12:46:40,573 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-10-13 12:46:40,573 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-10-13 12:46:40,573 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-10-13 12:46:40,573 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-10-13 12:46:40,573 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2020-10-13 12:46:40,574 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-10-13 12:46:40,575 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,575 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:46:40,576 INFO L268 CegarLoopResult]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2020-10-13 12:46:40,576 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,576 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,577 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2020-10-13 12:46:40,577 INFO L268 CegarLoopResult]: For program point L534(lines 534 542) no Hoare annotation was computed. [2020-10-13 12:46:40,577 INFO L264 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,577 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:46:40,577 INFO L268 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-10-13 12:46:40,577 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-10-13 12:46:40,577 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2020-10-13 12:46:40,577 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2020-10-13 12:46:40,577 INFO L264 CegarLoopResult]: At program point L929(lines 882 931) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,577 INFO L264 CegarLoopResult]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:46:40,577 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,578 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-10-13 12:46:40,578 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2020-10-13 12:46:40,578 INFO L268 CegarLoopResult]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2020-10-13 12:46:40,578 INFO L268 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-10-13 12:46:40,578 INFO L264 CegarLoopResult]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,578 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,578 INFO L268 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-10-13 12:46:40,578 INFO L264 CegarLoopResult]: At program point L920-1(lines 912 927) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,578 INFO L268 CegarLoopResult]: For program point L883(lines 882 931) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point L912(lines 912 927) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-10-13 12:46:40,579 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point L741(lines 741 749) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-10-13 12:46:40,580 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-10-13 12:46:40,581 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-13 12:46:40,582 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-10-13 12:46:40,582 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2020-10-13 12:46:40,582 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2020-10-13 12:46:40,582 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2020-10-13 12:46:40,582 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:40,582 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#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~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.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~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:46:40,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:40,583 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2020-10-13 12:46:40,583 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 12:46:40,583 INFO L268 CegarLoopResult]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2020-10-13 12:46:40,583 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2020-10-13 12:46:40,583 INFO L268 CegarLoopResult]: For program point L567(lines 567 573) no Hoare annotation was computed. [2020-10-13 12:46:40,583 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 12:46:40,584 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-10-13 12:46:40,584 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2020-10-13 12:46:40,584 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2020-10-13 12:46:40,584 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2020-10-13 12:46:40,584 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:40,584 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:46:40,584 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:40,585 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:46:40,585 INFO L268 CegarLoopResult]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2020-10-13 12:46:40,585 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2020-10-13 12:46:40,585 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2020-10-13 12:46:40,585 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2020-10-13 12:46:40,585 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2020-10-13 12:46:40,585 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,585 INFO L264 CegarLoopResult]: At program point L505(lines 505 511) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,586 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,586 INFO L268 CegarLoopResult]: For program point L498(lines 497 516) no Hoare annotation was computed. [2020-10-13 12:46:40,586 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:40,586 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2020-10-13 12:46:40,586 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2020-10-13 12:46:40,586 INFO L271 CegarLoopResult]: At program point L801(lines 776 805) the Hoare annotation is: true [2020-10-13 12:46:40,586 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2020-10-13 12:46:40,587 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-10-13 12:46:40,587 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2020-10-13 12:46:40,587 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-10-13 12:46:40,587 INFO L271 CegarLoopResult]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2020-10-13 12:46:40,587 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-10-13 12:46:40,587 INFO L271 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2020-10-13 12:46:40,587 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-10-13 12:46:40,587 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-10-13 12:46:40,588 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2020-10-13 12:46:40,588 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2020-10-13 12:46:40,588 INFO L268 CegarLoopResult]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2020-10-13 12:46:40,588 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2020-10-13 12:46:40,588 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2020-10-13 12:46:40,588 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:40,588 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:46:40,588 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:46:40,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:40,589 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2020-10-13 12:46:40,589 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,589 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2020-10-13 12:46:40,589 INFO L268 CegarLoopResult]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2020-10-13 12:46:40,589 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2020-10-13 12:46:40,589 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:46:40,589 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-13 12:46:40,590 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-13 12:46:40,590 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-13 12:46:40,590 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-13 12:46:40,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:46:40 BoogieIcfgContainer [2020-10-13 12:46:40,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:46:40,610 INFO L168 Benchmark]: Toolchain (without parser) took 24299.25 ms. Allocated memory was 140.5 MB in the beginning and 660.6 MB in the end (delta: 520.1 MB). Free memory was 103.2 MB in the beginning and 144.5 MB in the end (delta: -41.3 MB). Peak memory consumption was 479.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:40,611 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:46:40,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.58 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 174.3 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:40,613 INFO L168 Benchmark]: Boogie Preprocessor took 83.87 ms. Allocated memory is still 204.5 MB. Free memory was 174.3 MB in the beginning and 170.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:40,614 INFO L168 Benchmark]: RCFGBuilder took 1227.96 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 170.2 MB in the beginning and 198.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:40,615 INFO L168 Benchmark]: TraceAbstraction took 22325.34 ms. Allocated memory was 236.5 MB in the beginning and 660.6 MB in the end (delta: 424.1 MB). Free memory was 197.0 MB in the beginning and 144.5 MB in the end (delta: 52.6 MB). Peak memory consumption was 477.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:40,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.58 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 174.3 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.87 ms. Allocated memory is still 204.5 MB. Free memory was 174.3 MB in the beginning and 170.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1227.96 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 170.2 MB in the beginning and 198.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22325.34 ms. Allocated memory was 236.5 MB in the beginning and 660.6 MB in the end (delta: 424.1 MB). Free memory was 197.0 MB in the beginning and 144.5 MB in the end (delta: 52.6 MB). Peak memory consumption was 477.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 279 SDslu, 118 SDs, 0 SdLazy, 536 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred 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, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 155 PreInvPairs, 173 NumberOfFragments, 690 HoareAnnotationTreeSize, 155 FomulaSimplifications, 3420 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5063 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 35972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...