/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:46:13,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:46:13,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:46:13,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:46:13,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:46:13,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:46:13,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:46:13,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:46:13,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:46:13,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:46:13,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:46:13,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:46:13,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:46:13,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:46:13,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:46:13,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:46:13,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:46:13,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:46:13,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:46:13,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:46:13,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:46:13,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:46:13,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:46:13,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:46:13,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:46:13,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:46:13,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:46:13,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:46:13,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:46:13,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:46:13,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:46:13,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:46:13,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:46:13,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:46:13,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:46:13,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:46:13,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:46:13,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:46:13,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:46:13,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:46:13,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:46:13,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 12:46:13,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:46:13,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:46:13,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:46:13,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:46:13,241 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:46:13,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:46:13,242 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:46:13,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:46:13,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:46:13,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:46:13,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:46:13,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:46:13,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:46:13,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:46:13,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:46:13,245 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:46:13,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:46:13,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:46:13,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:46:13,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:46:13,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:46:13,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:46:13,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:46:13,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:46:13,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:46:13,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:46:13,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:46:13,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:46:13,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:46:13,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:46:13,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:46:13,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:46:13,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:46:13,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:46:13,602 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:46:13,603 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-10-13 12:46:13,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2419d3f8/10157025044e4bc38eb80760c5cde91e/FLAG44fae5147 [2020-10-13 12:46:14,145 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:46:14,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-10-13 12:46:14,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2419d3f8/10157025044e4bc38eb80760c5cde91e/FLAG44fae5147 [2020-10-13 12:46:14,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2419d3f8/10157025044e4bc38eb80760c5cde91e [2020-10-13 12:46:14,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:46:14,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:46:14,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:46:14,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:46:14,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:46:14,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:46:14" (1/1) ... [2020-10-13 12:46:14,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8d2598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:14, skipping insertion in model container [2020-10-13 12:46:14,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:46:14" (1/1) ... [2020-10-13 12:46:14,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:46:14,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:46:15,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:46:15,057 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:46:15,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:46:15,176 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:46:15,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15 WrapperNode [2020-10-13 12:46:15,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:46:15,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:46:15,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:46:15,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:46:15,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... [2020-10-13 12:46:15,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... [2020-10-13 12:46:15,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... [2020-10-13 12:46:15,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... [2020-10-13 12:46:15,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... [2020-10-13 12:46:15,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... [2020-10-13 12:46:15,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... [2020-10-13 12:46:15,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:46:15,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:46:15,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:46:15,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:46:15,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:46:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:46:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:46:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:46:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:46:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:46:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:46:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:46:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:46:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:46:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:46:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:46:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:46:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:46:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:46:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:46:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:46:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:46:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:46:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:46:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:46:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:46:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:46:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:46:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:46:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:46:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:46:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:46:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:46:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:46:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:46:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:46:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:46:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:46:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:46:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:46:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:46:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:46:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:46:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:46:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:46:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:46:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:46:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:46:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:46:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:46:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:46:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:46:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:46:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:46:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:46:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:46:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:46:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:46:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:46:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:46:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:46:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:46:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:46:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:46:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:46:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:46:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:46:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:46:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:46:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:46:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:46:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:46:16,631 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:46:16,632 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:46:16,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:46:16 BoogieIcfgContainer [2020-10-13 12:46:16,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:46:16,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:46:16,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:46:16,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:46:16,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:46:14" (1/3) ... [2020-10-13 12:46:16,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f88aab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:46:16, skipping insertion in model container [2020-10-13 12:46:16,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:15" (2/3) ... [2020-10-13 12:46:16,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f88aab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:46:16, skipping insertion in model container [2020-10-13 12:46:16,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:46:16" (3/3) ... [2020-10-13 12:46:16,667 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-10-13 12:46:16,687 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:46:16,696 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:46:16,708 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:46:16,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:46:16,736 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:46:16,736 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:46:16,736 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:46:16,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:46:16,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:46:16,737 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:46:16,737 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:46:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-10-13 12:46:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:46:16,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:16,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:46:16,773 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:16,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:16,780 INFO L82 PathProgramCache]: Analyzing trace with hash 251220135, now seen corresponding path program 1 times [2020-10-13 12:46:16,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:16,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828796330] [2020-10-13 12:46:16,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:17,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:18,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:18,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:20,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:46:21,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:46:21,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4164 [2020-10-13 12:46:21,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:46:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:46:21,608 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:21,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:21,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:21,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 12:46:21,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:21,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:21,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:21,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:21,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:21,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:21,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:21,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:21,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:21,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:21,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:21,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:46:21,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:21,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:21,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:21,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:21,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:46:21,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:21,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:46:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:21,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:21,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:21,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:46:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:21,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:21,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:21,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:21,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:21,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:21,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:21,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:21,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:46:21,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828796330] [2020-10-13 12:46:21,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:21,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:46:21,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044737408] [2020-10-13 12:46:21,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:46:21,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:21,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:46:21,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:46:21,775 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-10-13 12:46:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:23,297 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-10-13 12:46:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:46:23,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:46:23,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:23,316 INFO L225 Difference]: With dead ends: 261 [2020-10-13 12:46:23,316 INFO L226 Difference]: Without dead ends: 142 [2020-10-13 12:46:23,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:46:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-13 12:46:23,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-10-13 12:46:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-13 12:46:23,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-10-13 12:46:23,411 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-10-13 12:46:23,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:23,412 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-10-13 12:46:23,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:46:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-10-13 12:46:23,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:46:23,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:23,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:46:23,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:46:23,416 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:23,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:23,417 INFO L82 PathProgramCache]: Analyzing trace with hash -128124380, now seen corresponding path program 1 times [2020-10-13 12:46:23,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:23,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83641029] [2020-10-13 12:46:23,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:23,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:23,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:24,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:25,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:26,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:46:28,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:46:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4843 [2020-10-13 12:46:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:46:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:46:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:46:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:28,710 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:28,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:28,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:28,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:46:28,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:28,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:28,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:28,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:28,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:28,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:28,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:28,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:28,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:28,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:28,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:28,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:28,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:28,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:46:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:28,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:46:28,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:28,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:28,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:46:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:28,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:28,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:28,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:28,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:28,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:46:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:46:28,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83641029] [2020-10-13 12:46:28,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:28,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:46:28,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988628845] [2020-10-13 12:46:28,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:46:28,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:28,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:46:28,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:46:28,815 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-10-13 12:46:29,315 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:46:30,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:30,043 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-10-13 12:46:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:46:30,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:46:30,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:30,047 INFO L225 Difference]: With dead ends: 188 [2020-10-13 12:46:30,048 INFO L226 Difference]: Without dead ends: 126 [2020-10-13 12:46:30,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:46:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-13 12:46:30,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-10-13 12:46:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-13 12:46:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-10-13 12:46:30,105 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-10-13 12:46:30,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:30,105 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-10-13 12:46:30,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:46:30,106 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-10-13 12:46:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:46:30,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:46:30,115 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] [2020-10-13 12:46:30,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:46:30,116 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:46:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:46:30,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1051903128, now seen corresponding path program 1 times [2020-10-13 12:46:30,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:46:30,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679465082] [2020-10-13 12:46:30,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:46:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:30,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:30,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:46:32,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:46:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2300 [2020-10-13 12:46:32,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:46:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:46:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:46:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:46:32,784 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:32,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:46:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:32,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:32,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 12:46:32,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:32,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:46:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:32,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:32,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:32,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:32,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:32,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:46:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:32,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:32,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:46:32,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:32,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:46:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:32,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:32,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:32,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:46:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:32,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:46:32,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:32,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:46:32,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:46:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:46:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:46:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:32,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:32,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:46:32,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:46:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:46:32,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:46:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:46:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:46:32,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:46:32,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:46:32,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:46:32,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:46:32,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:46:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:46:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:46:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:46:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:46:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:46:32,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679465082] [2020-10-13 12:46:32,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:46:32,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:46:32,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042811060] [2020-10-13 12:46:32,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:46:32,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:46:32,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:46:32,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:46:32,924 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2020-10-13 12:46:33,351 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:46:34,400 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-10-13 12:46:34,681 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:46:34,946 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:46:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:46:35,068 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2020-10-13 12:46:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:46:35,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:46:35,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:46:35,070 INFO L225 Difference]: With dead ends: 169 [2020-10-13 12:46:35,070 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:46:35,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:46:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:46:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:46:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:46:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:46:35,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-13 12:46:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:46:35,073 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:46:35,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:46:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:46:35,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:46:35,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:46:35,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:46:36,145 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:46:36,301 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:36,451 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:46:36,597 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:46:36,837 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:46:36,978 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:37,101 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:46:37,245 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:37,413 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:46:37,592 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:46:37,761 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:37,906 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:38,055 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:38,203 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:46:38,354 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:38,510 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:46:38,666 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:46:38,670 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 662) no Hoare annotation was computed. [2020-10-13 12:46:38,670 INFO L268 CegarLoopResult]: For program point L663(lines 640 664) no Hoare annotation was computed. [2020-10-13 12:46:38,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 616 671) no Hoare annotation was computed. [2020-10-13 12:46:38,671 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-10-13 12:46:38,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 616 671) no Hoare annotation was computed. [2020-10-13 12:46:38,671 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-10-13 12:46:38,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 616 671) no Hoare annotation was computed. [2020-10-13 12:46:38,671 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-10-13 12:46:38,672 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-10-13 12:46:38,672 INFO L268 CegarLoopResult]: For program point L704-1(lines 704 708) no Hoare annotation was computed. [2020-10-13 12:46:38,672 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-10-13 12:46:38,672 INFO L268 CegarLoopResult]: For program point L698-2(lines 698 723) no Hoare annotation was computed. [2020-10-13 12:46:38,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 672 731) no Hoare annotation was computed. [2020-10-13 12:46:38,672 INFO L268 CegarLoopResult]: For program point L724(lines 697 725) no Hoare annotation was computed. [2020-10-13 12:46:38,673 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 672 731) no Hoare annotation was computed. [2020-10-13 12:46:38,673 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-10-13 12:46:38,673 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-10-13 12:46:38,673 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 672 731) no Hoare annotation was computed. [2020-10-13 12:46:38,673 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2020-10-13 12:46:38,673 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2020-10-13 12:46:38,673 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2020-10-13 12:46:38,673 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2020-10-13 12:46:38,673 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 554 562) no Hoare annotation was computed. [2020-10-13 12:46:38,674 INFO L271 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: true [2020-10-13 12:46:38,674 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-10-13 12:46:38,674 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2020-10-13 12:46:38,674 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2020-10-13 12:46:38,674 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:46:38,674 INFO L268 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-10-13 12:46:38,674 INFO L271 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: true [2020-10-13 12:46:38,674 INFO L268 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-10-13 12:46:38,674 INFO L268 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2020-10-13 12:46:38,675 INFO L268 CegarLoopResult]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2020-10-13 12:46:38,675 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-10-13 12:46:38,675 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-13 12:46:38,675 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,675 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,675 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,676 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,676 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-10-13 12:46:38,676 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-10-13 12:46:38,676 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,676 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,676 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-10-13 12:46:38,677 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:46:38,677 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 12:46:38,677 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:46:38,677 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-13 12:46:38,677 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:46:38,677 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 12:46:38,677 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-13 12:46:38,678 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2020-10-13 12:46:38,679 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:46:38,679 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 513 527) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:38,679 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-10-13 12:46:38,679 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 513 527) no Hoare annotation was computed. [2020-10-13 12:46:38,679 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2020-10-13 12:46:38,679 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2020-10-13 12:46:38,679 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 449 457) no Hoare annotation was computed. [2020-10-13 12:46:38,679 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2020-10-13 12:46:38,680 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-10-13 12:46:38,680 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2020-10-13 12:46:38,680 INFO L271 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: true [2020-10-13 12:46:38,680 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-10-13 12:46:38,680 INFO L268 CegarLoopResult]: For program point L501-1(line 501) no Hoare annotation was computed. [2020-10-13 12:46:38,680 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 494 512) no Hoare annotation was computed. [2020-10-13 12:46:38,680 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point L465(lines 465 473) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point L465-2(lines 465 473) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 458 493) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 458 493) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 458 493) no Hoare annotation was computed. [2020-10-13 12:46:38,681 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2020-10-13 12:46:38,682 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2020-10-13 12:46:38,682 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 570 615) no Hoare annotation was computed. [2020-10-13 12:46:38,682 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 570 615) no Hoare annotation was computed. [2020-10-13 12:46:38,682 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 570 615) no Hoare annotation was computed. [2020-10-13 12:46:38,682 INFO L268 CegarLoopResult]: For program point L897(lines 897 917) no Hoare annotation was computed. [2020-10-13 12:46:38,682 INFO L268 CegarLoopResult]: For program point L897-1(lines 897 917) no Hoare annotation was computed. [2020-10-13 12:46:38,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 883 928) no Hoare annotation was computed. [2020-10-13 12:46:38,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 883 928) no Hoare annotation was computed. [2020-10-13 12:46:38,683 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-10-13 12:46:38,683 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 883 928) no Hoare annotation was computed. [2020-10-13 12:46:38,683 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,683 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-10-13 12:46:38,683 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-10-13 12:46:38,683 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 438 448) no Hoare annotation was computed. [2020-10-13 12:46:38,683 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-13 12:46:38,683 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 438 448) no Hoare annotation was computed. [2020-10-13 12:46:38,684 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-10-13 12:46:38,684 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 438 448) no Hoare annotation was computed. [2020-10-13 12:46:38,684 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2020-10-13 12:46:38,684 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2020-10-13 12:46:38,684 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 430 437) no Hoare annotation was computed. [2020-10-13 12:46:38,684 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:46:38,684 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-10-13 12:46:38,684 INFO L268 CegarLoopResult]: For program point L383(lines 383 400) no Hoare annotation was computed. [2020-10-13 12:46:38,685 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2020-10-13 12:46:38,685 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 379 403) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,685 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,685 INFO L268 CegarLoopResult]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2020-10-13 12:46:38,685 INFO L264 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:46:38,685 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:46:38,685 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-10-13 12:46:38,685 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2020-10-13 12:46:38,686 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2020-10-13 12:46:38,686 INFO L264 CegarLoopResult]: At program point testENTRY(lines 275 340) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,686 INFO L268 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-10-13 12:46:38,686 INFO L268 CegarLoopResult]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2020-10-13 12:46:38,686 INFO L264 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:46:38,686 INFO L264 CegarLoopResult]: At program point L323(line 323) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:46:38,686 INFO L268 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2020-10-13 12:46:38,686 INFO L264 CegarLoopResult]: At program point L321-1(lines 315 328) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L264 CegarLoopResult]: At program point L330(lines 285 332) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:46:38,687 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 837 882) no Hoare annotation was computed. [2020-10-13 12:46:38,687 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 837 882) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 837 882) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 404 411) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 404 411) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 404 411) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 264 272) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2020-10-13 12:46:38,688 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 232 254) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 232 254) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 232 254) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 530 539) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 530 539) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 530 539) no Hoare annotation was computed. [2020-10-13 12:46:38,689 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 734 836) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point L785(lines 785 789) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 803) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 734 836) no Hoare annotation was computed. [2020-10-13 12:46:38,690 INFO L268 CegarLoopResult]: For program point L804(lines 782 805) no Hoare annotation was computed. [2020-10-13 12:46:38,691 INFO L268 CegarLoopResult]: For program point L763(lines 763 779) no Hoare annotation was computed. [2020-10-13 12:46:38,691 INFO L268 CegarLoopResult]: For program point L823(lines 823 830) no Hoare annotation was computed. [2020-10-13 12:46:38,691 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 734 836) no Hoare annotation was computed. [2020-10-13 12:46:38,691 INFO L268 CegarLoopResult]: For program point L784(lines 783 803) no Hoare annotation was computed. [2020-10-13 12:46:38,691 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-10-13 12:46:38,691 INFO L268 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-10-13 12:46:38,691 INFO L268 CegarLoopResult]: For program point L780(lines 780 821) no Hoare annotation was computed. [2020-10-13 12:46:38,692 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:38,692 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:46:38,692 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:38,692 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-10-13 12:46:38,693 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 413 429) no Hoare annotation was computed. [2020-10-13 12:46:38,693 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 413 429) no Hoare annotation was computed. [2020-10-13 12:46:38,693 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 12:46:38,693 INFO L268 CegarLoopResult]: For program point L424-1(lines 413 429) no Hoare annotation was computed. [2020-10-13 12:46:38,693 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-10-13 12:46:38,693 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 12:46:38,693 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2020-10-13 12:46:38,693 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 255 263) no Hoare annotation was computed. [2020-10-13 12:46:38,694 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2020-10-13 12:46:38,694 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 211 222) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:46:38,694 INFO L268 CegarLoopResult]: For program point L215-1(lines 211 222) no Hoare annotation was computed. [2020-10-13 12:46:38,694 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2020-10-13 12:46:38,694 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:38,694 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:46:38,694 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:38,694 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:46:38,695 INFO L268 CegarLoopResult]: For program point L351(lines 350 369) no Hoare annotation was computed. [2020-10-13 12:46:38,695 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 347 370) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,695 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2020-10-13 12:46:38,695 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,695 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2020-10-13 12:46:38,695 INFO L264 CegarLoopResult]: At program point L358(lines 358 364) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:38,695 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-10-13 12:46:38,696 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 12:46:38,696 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-10-13 12:46:38,696 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-10-13 12:46:38,696 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-10-13 12:46:38,696 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-13 12:46:38,696 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-10-13 12:46:38,696 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-10-13 12:46:38,696 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-13 12:46:38,697 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-10-13 12:46:38,697 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 223 231) no Hoare annotation was computed. [2020-10-13 12:46:38,697 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 223 231) no Hoare annotation was computed. [2020-10-13 12:46:38,697 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 223 231) no Hoare annotation was computed. [2020-10-13 12:46:38,697 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2020-10-13 12:46:38,697 INFO L268 CegarLoopResult]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2020-10-13 12:46:38,697 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2020-10-13 12:46:38,698 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-10-13 12:46:38,698 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-10-13 12:46:38,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:38,698 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:46:38,698 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:46:38,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:38,698 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2020-10-13 12:46:38,699 INFO L268 CegarLoopResult]: For program point L203-1(lines 199 210) no Hoare annotation was computed. [2020-10-13 12:46:38,699 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 199 210) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:46:38,699 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2020-10-13 12:46:38,699 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-10-13 12:46:38,699 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2020-10-13 12:46:38,699 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2020-10-13 12:46:38,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:46:38 BoogieIcfgContainer [2020-10-13 12:46:38,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:46:38,718 INFO L168 Benchmark]: Toolchain (without parser) took 24196.19 ms. Allocated memory was 147.8 MB in the beginning and 636.5 MB in the end (delta: 488.6 MB). Free memory was 103.1 MB in the beginning and 420.3 MB in the end (delta: -317.2 MB). Peak memory consumption was 460.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:38,719 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:46:38,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.87 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.7 MB in the beginning and 172.0 MB in the end (delta: -69.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:38,721 INFO L168 Benchmark]: Boogie Preprocessor took 94.78 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:38,722 INFO L168 Benchmark]: RCFGBuilder took 1373.37 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 168.0 MB in the beginning and 193.5 MB in the end (delta: -25.5 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:38,723 INFO L168 Benchmark]: TraceAbstraction took 22068.86 ms. Allocated memory was 233.8 MB in the beginning and 636.5 MB in the end (delta: 402.7 MB). Free memory was 193.5 MB in the beginning and 420.3 MB in the end (delta: -226.8 MB). Peak memory consumption was 465.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:38,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.87 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.7 MB in the beginning and 172.0 MB in the end (delta: -69.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.78 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1373.37 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 168.0 MB in the beginning and 193.5 MB in the end (delta: -25.5 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22068.86 ms. Allocated memory was 233.8 MB in the beginning and 636.5 MB in the end (delta: 402.7 MB). Free memory was 193.5 MB in the beginning and 420.3 MB in the end (delta: -226.8 MB). Peak memory consumption was 465.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 285]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 274 SDslu, 107 SDs, 0 SdLazy, 516 SolverSat, 145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 150 PreInvPairs, 166 NumberOfFragments, 521 HoareAnnotationTreeSize, 150 FomulaSimplifications, 2835 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4758 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 34528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...