/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=BIGGEST --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_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:51:30,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:51:30,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:51:30,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:51:30,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:51:30,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:51:30,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:51:30,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:51:30,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:51:30,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:51:30,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:51:30,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:51:30,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:51:30,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:51:30,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:51:30,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:51:30,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:51:30,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:51:30,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:51:30,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:51:30,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:51:30,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:51:30,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:51:30,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:51:30,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:51:30,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:51:30,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:51:30,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:51:30,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:51:30,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:51:30,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:51:30,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:51:30,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:51:30,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:51:30,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:51:30,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:51:30,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:51:30,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:51:30,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:51:30,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:51:30,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:51:30,134 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 [2020-10-12 17:51:30,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:51:30,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:51:30,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:51:30,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:51:30,160 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:51:30,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:51:30,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:51:30,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:51:30,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:51:30,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:51:30,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:51:30,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:51:30,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:51:30,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:51:30,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:51:30,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:51:30,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:51:30,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:51:30,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:51:30,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:51:30,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:51:30,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:51:30,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:51:30,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:51:30,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:51:30,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:51:30,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:51:30,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:51:30,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:51:30,165 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:51:30,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:51:30,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:51:30,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:51:30,463 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:51:30,463 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:51:30,464 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-10-12 17:51:30,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/060eaedc6/c2cc2e84d6da4b0faaed82805f741658/FLAGcf06ddd60 [2020-10-12 17:51:31,001 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:51:31,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-10-12 17:51:31,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/060eaedc6/c2cc2e84d6da4b0faaed82805f741658/FLAGcf06ddd60 [2020-10-12 17:51:31,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/060eaedc6/c2cc2e84d6da4b0faaed82805f741658 [2020-10-12 17:51:31,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:51:31,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:51:31,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:51:31,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:51:31,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:51:31,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:51:31" (1/1) ... [2020-10-12 17:51:31,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:31, skipping insertion in model container [2020-10-12 17:51:31,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:51:31" (1/1) ... [2020-10-12 17:51:31,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:51:31,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:51:31,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:51:31,917 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:51:32,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:51:32,066 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:51:32,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32 WrapperNode [2020-10-12 17:51:32,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:51:32,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:51:32,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:51:32,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:51:32,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (1/1) ... [2020-10-12 17:51:32,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (1/1) ... [2020-10-12 17:51:32,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (1/1) ... [2020-10-12 17:51:32,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (1/1) ... [2020-10-12 17:51:32,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (1/1) ... [2020-10-12 17:51:32,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (1/1) ... [2020-10-12 17:51:32,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (1/1) ... [2020-10-12 17:51:32,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:51:32,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:51:32,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:51:32,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:51:32,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (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 [2020-10-12 17:51:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:51:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:51:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:51:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:51:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:51:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:51:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:51:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:51:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:51:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:51:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:51:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:51:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:51:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:51:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:51:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:51:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:51:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:51:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-12 17:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-12 17:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-12 17:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-12 17:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:51:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:51:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:51:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:51:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:51:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:51:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:51:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:51:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:51:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:51:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:51:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:51:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:51:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:51:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:51:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:51:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:51:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:51:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:51:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:51:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:51:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:51:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:51:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:51:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:51:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:51:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:51:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:51:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:51:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:51:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:51:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:51:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:51:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:51:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:51:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:51:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:51:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:51:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:51:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:51:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:51:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-12 17:51:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:51:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:51:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:51:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:51:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:51:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:51:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:51:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-12 17:51:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-12 17:51:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:51:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-12 17:51:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:51:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:51:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:51:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:51:33,369 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:51:33,369 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:51:33,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:51:33 BoogieIcfgContainer [2020-10-12 17:51:33,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:51:33,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:51:33,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:51:33,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:51:33,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:51:31" (1/3) ... [2020-10-12 17:51:33,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac9919c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:51:33, skipping insertion in model container [2020-10-12 17:51:33,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:32" (2/3) ... [2020-10-12 17:51:33,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac9919c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:51:33, skipping insertion in model container [2020-10-12 17:51:33,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:51:33" (3/3) ... [2020-10-12 17:51:33,385 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2020-10-12 17:51:33,396 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:51:33,404 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:51:33,419 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:51:33,448 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:51:33,449 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:51:33,449 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:51:33,449 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:51:33,450 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:51:33,450 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:51:33,450 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:51:33,450 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:51:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-10-12 17:51:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 17:51:33,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:51:33,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:51:33,489 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:51:33,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:51:33,496 INFO L82 PathProgramCache]: Analyzing trace with hash -45404099, now seen corresponding path program 1 times [2020-10-12 17:51:33,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:51:33,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362523666] [2020-10-12 17:51:33,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:51:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:33,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:34,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:35,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:35,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:38,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:38,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 17:51:38,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:51:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 17:51:38,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:51:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:51:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:51:38,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:51:39,249 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:51:39,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:51:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:39,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-12 17:51:39,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:51:39,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:39,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:51:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:51:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:39,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:39,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:39,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:51:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:39,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:51:39,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:39,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:51:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:39,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:39,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:39,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:51:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:39,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:39,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:51:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:39,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:51:39,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:51:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:39,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:51:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:39,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:39,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:51:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:51:39,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362523666] [2020-10-12 17:51:39,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:51:39,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:51:39,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131779987] [2020-10-12 17:51:39,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:51:39,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:51:39,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:51:39,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:51:39,493 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 8 states. [2020-10-12 17:51:40,227 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:51:41,256 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:51:41,652 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:51:41,939 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:51:42,510 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:51:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:51:43,830 INFO L93 Difference]: Finished difference Result 407 states and 545 transitions. [2020-10-12 17:51:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 17:51:43,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 17:51:43,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:51:43,848 INFO L225 Difference]: With dead ends: 407 [2020-10-12 17:51:43,848 INFO L226 Difference]: Without dead ends: 259 [2020-10-12 17:51:43,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:51:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-12 17:51:43,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 209. [2020-10-12 17:51:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-10-12 17:51:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2020-10-12 17:51:43,981 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 51 [2020-10-12 17:51:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:51:43,982 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2020-10-12 17:51:43,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:51:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2020-10-12 17:51:43,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 17:51:43,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:51:43,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:51:43,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:51:43,992 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:51:43,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:51:43,992 INFO L82 PathProgramCache]: Analyzing trace with hash -2040907832, now seen corresponding path program 1 times [2020-10-12 17:51:43,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:51:43,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156729952] [2020-10-12 17:51:43,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:51:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:44,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:44,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:44,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:45,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:51:49,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:51:49,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-12 17:51:49,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:51:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:51:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 17:51:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:49,411 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:51:49,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:51:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:49,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 17:51:49,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:51:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:51:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:49,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:49,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:51:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:49,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:49,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:51:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:49,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:49,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:49,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:51:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:49,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:49,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:49,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:51:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:49,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:49,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:51:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:49,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:51:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:49,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:49,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:49,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 17:51:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:49,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:49,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:49,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:49,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:51:49,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:51:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:49,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:51:49,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:51:49,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156729952] [2020-10-12 17:51:49,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:51:49,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:51:49,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919357861] [2020-10-12 17:51:49,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:51:49,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:51:49,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:51:49,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:51:49,630 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand 9 states. [2020-10-12 17:51:50,178 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:51:51,195 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:51:51,476 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:51:51,720 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:51:52,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:51:52,049 INFO L93 Difference]: Finished difference Result 367 states and 474 transitions. [2020-10-12 17:51:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 17:51:52,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-12 17:51:52,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:51:52,051 INFO L225 Difference]: With dead ends: 367 [2020-10-12 17:51:52,051 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 17:51:52,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:51:52,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 17:51:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 17:51:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 17:51:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 17:51:52,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-10-12 17:51:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:51:52,056 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 17:51:52,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:51:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 17:51:52,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 17:51:52,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:51:52,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 17:51:54,431 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-10-12 17:51:54,593 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:51:54,752 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-10-12 17:51:54,902 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-10-12 17:51:55,170 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-10-12 17:51:55,310 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-10-12 17:51:55,450 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:51:55,770 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 17:51:56,082 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 17:51:56,406 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-10-12 17:51:56,618 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:51:57,099 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-10-12 17:51:57,441 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-10-12 17:51:57,764 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 17:51:57,946 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:51:58,245 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-10-12 17:51:58,424 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:51:58,602 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:51:58,907 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-10-12 17:51:59,080 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-12 17:51:59,261 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:51:59,533 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-10-12 17:51:59,687 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-10-12 17:51:59,858 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:52:00,043 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-12 17:52:00,487 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 19 [2020-10-12 17:52:00,964 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 19 [2020-10-12 17:52:01,259 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 17:52:01,262 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-12 17:52:01,263 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 17:52:01,264 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-12 17:52:01,264 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-12 17:52:01,264 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-12 17:52:01,264 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-12 17:52:01,264 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 17:52:01,265 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-12 17:52:01,265 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-12 17:52:01,265 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-12 17:52:01,265 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-12 17:52:01,265 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-10-12 17:52:01,266 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-10-12 17:52:01,266 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-10-12 17:52:01,266 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-10-12 17:52:01,266 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-10-12 17:52:01,266 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,266 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-10-12 17:52:01,266 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,267 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,267 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-10-12 17:52:01,267 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-10-12 17:52:01,267 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-12 17:52:01,267 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,267 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,268 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,268 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-10-12 17:52:01,268 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-10-12 17:52:01,268 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-10-12 17:52:01,268 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-10-12 17:52:01,268 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-12 17:52:01,268 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 17:52:01,268 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-12 17:52:01,269 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 17:52:01,270 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-12 17:52:01,270 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-12 17:52:01,270 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 17:52:01,270 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 17:52:01,270 INFO L268 CegarLoopResult]: For program point L767-1(lines 748 772) no Hoare annotation was computed. [2020-10-12 17:52:01,270 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-12 17:52:01,270 INFO L264 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-12 17:52:01,271 INFO L268 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-10-12 17:52:01,271 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-12 17:52:01,271 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-10-12 17:52:01,271 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 748 772) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 17:52:01,271 INFO L268 CegarLoopResult]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-10-12 17:52:01,271 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 748 772) no Hoare annotation was computed. [2020-10-12 17:52:01,271 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 843 851) no Hoare annotation was computed. [2020-10-12 17:52:01,271 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 843 851) the Hoare annotation is: true [2020-10-12 17:52:01,272 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 843 851) no Hoare annotation was computed. [2020-10-12 17:52:01,272 INFO L268 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-10-12 17:52:01,272 INFO L271 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: true [2020-10-12 17:52:01,272 INFO L268 CegarLoopResult]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-10-12 17:52:01,272 INFO L268 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-10-12 17:52:01,272 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 888 906) the Hoare annotation is: true [2020-10-12 17:52:01,272 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 888 906) no Hoare annotation was computed. [2020-10-12 17:52:01,272 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 888 906) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point L859(lines 859 867) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point L859-2(lines 859 867) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 852 887) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point L871(lines 871 879) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 852 887) no Hoare annotation was computed. [2020-10-12 17:52:01,273 INFO L268 CegarLoopResult]: For program point L871-2(lines 871 879) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 852 887) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-12 17:52:01,274 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-12 17:52:01,275 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-12 17:52:01,275 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-12 17:52:01,275 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-12 17:52:01,275 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,275 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2020-10-12 17:52:01,275 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2020-10-12 17:52:01,275 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,276 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 832 842) the Hoare annotation is: true [2020-10-12 17:52:01,276 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 832 842) no Hoare annotation was computed. [2020-10-12 17:52:01,276 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 832 842) no Hoare annotation was computed. [2020-10-12 17:52:01,276 INFO L271 CegarLoopResult]: At program point L837(line 837) the Hoare annotation is: true [2020-10-12 17:52:01,276 INFO L268 CegarLoopResult]: For program point L837-1(line 837) no Hoare annotation was computed. [2020-10-12 17:52:01,276 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 824 831) the Hoare annotation is: true [2020-10-12 17:52:01,276 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 824 831) no Hoare annotation was computed. [2020-10-12 17:52:01,276 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 824 831) no Hoare annotation was computed. [2020-10-12 17:52:01,277 INFO L264 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 17:52:01,277 INFO L268 CegarLoopResult]: For program point L793-1(lines 774 798) no Hoare annotation was computed. [2020-10-12 17:52:01,277 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 774 798) no Hoare annotation was computed. [2020-10-12 17:52:01,277 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-12 17:52:01,277 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 774 798) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 17:52:01,277 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-12 17:52:01,277 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-10-12 17:52:01,277 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-12 17:52:01,278 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-10-12 17:52:01,278 INFO L268 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-10-12 17:52:01,278 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 740 746) no Hoare annotation was computed. [2020-10-12 17:52:01,278 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 740 746) the Hoare annotation is: true [2020-10-12 17:52:01,278 INFO L264 CegarLoopResult]: At program point testENTRY(lines 642 707) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-12 17:52:01,278 INFO L264 CegarLoopResult]: At program point L700(lines 651 701) the Hoare annotation is: (or (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,278 INFO L268 CegarLoopResult]: For program point testFINAL(lines 642 707) no Hoare annotation was computed. [2020-10-12 17:52:01,279 INFO L268 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-10-12 17:52:01,279 INFO L264 CegarLoopResult]: At program point L690-2(lines 682 695) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,279 INFO L268 CegarLoopResult]: For program point L653(lines 652 699) no Hoare annotation was computed. [2020-10-12 17:52:01,279 INFO L264 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,279 INFO L268 CegarLoopResult]: For program point L682(lines 682 695) no Hoare annotation was computed. [2020-10-12 17:52:01,279 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,279 INFO L268 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-10-12 17:52:01,279 INFO L268 CegarLoopResult]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2020-10-12 17:52:01,279 INFO L264 CegarLoopResult]: At program point L697(lines 652 699) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,280 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,280 INFO L268 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-10-12 17:52:01,280 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-10-12 17:52:01,280 INFO L268 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-10-12 17:52:01,280 INFO L268 CegarLoopResult]: For program point testEXIT(lines 642 707) no Hoare annotation was computed. [2020-10-12 17:52:01,280 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-12 17:52:01,280 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-12 17:52:01,280 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 799 806) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 799 806) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 799 806) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 631 639) no Hoare annotation was computed. [2020-10-12 17:52:01,281 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 631 639) the Hoare annotation is: true [2020-10-12 17:52:01,281 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 631 639) no Hoare annotation was computed. [2020-10-12 17:52:01,282 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,282 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-10-12 17:52:01,282 INFO L268 CegarLoopResult]: For program point L946(lines 946 956) no Hoare annotation was computed. [2020-10-12 17:52:01,282 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 934 962) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-12 17:52:01,282 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-12 17:52:01,282 INFO L268 CegarLoopResult]: For program point L944-1(line 944) no Hoare annotation was computed. [2020-10-12 17:52:01,282 INFO L268 CegarLoopResult]: For program point L942(lines 942 959) no Hoare annotation was computed. [2020-10-12 17:52:01,282 INFO L268 CegarLoopResult]: For program point L942-1(lines 934 962) no Hoare annotation was computed. [2020-10-12 17:52:01,283 INFO L264 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-12 17:52:01,283 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-10-12 17:52:01,283 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 934 962) no Hoare annotation was computed. [2020-10-12 17:52:01,283 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 926 933) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-12 17:52:01,283 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 926 933) no Hoare annotation was computed. [2020-10-12 17:52:01,283 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 926 933) no Hoare annotation was computed. [2020-10-12 17:52:01,283 INFO L268 CegarLoopResult]: For program point L607(lines 607 615) no Hoare annotation was computed. [2020-10-12 17:52:01,283 INFO L268 CegarLoopResult]: For program point L607-2(lines 607 615) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 599 621) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 599 621) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 599 621) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-12 17:52:01,284 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-12 17:52:01,285 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-12 17:52:01,286 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-12 17:52:01,286 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-12 17:52:01,286 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-10-12 17:52:01,286 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-10-12 17:52:01,286 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-10-12 17:52:01,286 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point L818-1(lines 807 823) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 807 823) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 807 823) no Hoare annotation was computed. [2020-10-12 17:52:01,287 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-10-12 17:52:01,288 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 622 630) no Hoare annotation was computed. [2020-10-12 17:52:01,288 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 622 630) no Hoare annotation was computed. [2020-10-12 17:52:01,288 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 622 630) no Hoare annotation was computed. [2020-10-12 17:52:01,288 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:52:01,288 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 17:52:01,288 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:52:01,288 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 578 589) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-12 17:52:01,288 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-10-12 17:52:01,289 INFO L268 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-10-12 17:52:01,289 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:52:01,289 INFO L264 CegarLoopResult]: At program point L727(lines 727 733) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:52:01,289 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (and (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 17:52:01,289 INFO L268 CegarLoopResult]: For program point L720(lines 719 738) no Hoare annotation was computed. [2020-10-12 17:52:01,289 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 716 739) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:52:01,290 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 716 739) no Hoare annotation was computed. [2020-10-12 17:52:01,290 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 716 739) no Hoare annotation was computed. [2020-10-12 17:52:01,290 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-10-12 17:52:01,290 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:52:01,290 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-10-12 17:52:01,290 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-12 17:52:01,290 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-10-12 17:52:01,291 INFO L264 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,291 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 17:52:01,291 INFO L264 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,291 INFO L264 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:52:01,291 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-10-12 17:52:01,291 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 590 598) the Hoare annotation is: true [2020-10-12 17:52:01,291 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 590 598) no Hoare annotation was computed. [2020-10-12 17:52:01,291 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 590 598) no Hoare annotation was computed. [2020-10-12 17:52:01,292 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 554 565) the Hoare annotation is: true [2020-10-12 17:52:01,292 INFO L268 CegarLoopResult]: For program point L558-1(lines 554 565) no Hoare annotation was computed. [2020-10-12 17:52:01,292 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 554 565) no Hoare annotation was computed. [2020-10-12 17:52:01,292 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-10-12 17:52:01,292 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-10-12 17:52:01,292 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:52:01,292 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-12 17:52:01,292 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 17:52:01,293 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:52:01,293 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 907 914) no Hoare annotation was computed. [2020-10-12 17:52:01,293 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 907 914) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-12 17:52:01,293 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 907 914) no Hoare annotation was computed. [2020-10-12 17:52:01,293 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 566 577) no Hoare annotation was computed. [2020-10-12 17:52:01,293 INFO L268 CegarLoopResult]: For program point L570-1(lines 566 577) no Hoare annotation was computed. [2020-10-12 17:52:01,293 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 566 577) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 17:52:01,293 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 916 923) no Hoare annotation was computed. [2020-10-12 17:52:01,294 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2020-10-12 17:52:01,294 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 916 923) the Hoare annotation is: true [2020-10-12 17:52:01,294 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 916 923) no Hoare annotation was computed. [2020-10-12 17:52:01,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:52:01 BoogieIcfgContainer [2020-10-12 17:52:01,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:52:01,314 INFO L168 Benchmark]: Toolchain (without parser) took 29907.59 ms. Allocated memory was 147.8 MB in the beginning and 688.4 MB in the end (delta: 540.5 MB). Free memory was 102.6 MB in the beginning and 487.4 MB in the end (delta: -384.8 MB). Peak memory consumption was 557.6 MB. Max. memory is 7.1 GB. [2020-10-12 17:52:01,315 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 17:52:01,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.70 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 102.4 MB in the beginning and 167.8 MB in the end (delta: -65.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:52:01,317 INFO L168 Benchmark]: Boogie Preprocessor took 116.33 ms. Allocated memory is still 203.4 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-12 17:52:01,318 INFO L168 Benchmark]: RCFGBuilder took 1191.07 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 163.8 MB in the beginning and 189.9 MB in the end (delta: -26.1 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:52:01,319 INFO L168 Benchmark]: TraceAbstraction took 27935.57 ms. Allocated memory was 235.9 MB in the beginning and 688.4 MB in the end (delta: 452.5 MB). Free memory was 188.5 MB in the beginning and 487.4 MB in the end (delta: -298.9 MB). Peak memory consumption was 555.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:52:01,323 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.70 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 102.4 MB in the beginning and 167.8 MB in the end (delta: -65.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.33 ms. Allocated memory is still 203.4 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1191.07 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 163.8 MB in the beginning and 189.9 MB in the end (delta: -26.1 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27935.57 ms. Allocated memory was 235.9 MB in the beginning and 688.4 MB in the end (delta: 452.5 MB). Free memory was 188.5 MB in the beginning and 487.4 MB in the end (delta: -298.9 MB). Peak memory consumption was 555.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: 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: 652]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || pumpRunning == 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 212 SDtfs, 412 SDslu, 358 SDs, 0 SdLazy, 1205 SolverSat, 286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=1, 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, 2 MinimizatonAttempts, 50 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 270 PreInvPairs, 328 NumberOfFragments, 809 HoareAnnotationTreeSize, 270 FomulaSimplifications, 8672 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 9444 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 35220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...