/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:17:23,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:17:23,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:17:23,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:17:23,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:17:23,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:17:23,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:17:23,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:17:23,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:17:23,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:17:23,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:17:23,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:17:23,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:17:23,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:17:23,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:17:23,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:17:23,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:17:23,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:17:23,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:17:23,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:17:23,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:17:23,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:17:23,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:17:23,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:17:23,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:17:23,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:17:23,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:17:23,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:17:23,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:17:23,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:17:23,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:17:23,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:17:23,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:17:23,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:17:23,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:17:23,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:17:23,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:17:23,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:17:23,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:17:23,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:17:23,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:17:23,113 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 [2020-09-21 12:17:23,164 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:17:23,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:17:23,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:17:23,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:17:23,166 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:17:23,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:17:23,166 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:17:23,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:17:23,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:17:23,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:17:23,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:17:23,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:17:23,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:17:23,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:17:23,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:17:23,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:17:23,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:17:23,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:17:23,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:17:23,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:17:23,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:17:23,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:23,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:17:23,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:17:23,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:17:23,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:17:23,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:17:23,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:17:23,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:17:23,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:17:23,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:17:23,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:17:23,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:17:23,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:17:23,657 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:17:23,658 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2020-09-21 12:17:23,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b853772d/3a67c9adb15042a6a7adf23271271d67/FLAGade05e73d [2020-09-21 12:17:24,386 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:17:24,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2020-09-21 12:17:24,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b853772d/3a67c9adb15042a6a7adf23271271d67/FLAGade05e73d [2020-09-21 12:17:24,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b853772d/3a67c9adb15042a6a7adf23271271d67 [2020-09-21 12:17:24,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:17:24,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:17:24,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:24,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:17:24,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:17:24,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:24" (1/1) ... [2020-09-21 12:17:24,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d265cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:24, skipping insertion in model container [2020-09-21 12:17:24,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:24" (1/1) ... [2020-09-21 12:17:24,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:17:24,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:17:25,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:25,095 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:17:25,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:25,337 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:17:25,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25 WrapperNode [2020-09-21 12:17:25,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:25,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:17:25,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:17:25,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:17:25,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (1/1) ... [2020-09-21 12:17:25,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (1/1) ... [2020-09-21 12:17:25,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (1/1) ... [2020-09-21 12:17:25,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (1/1) ... [2020-09-21 12:17:25,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (1/1) ... [2020-09-21 12:17:25,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (1/1) ... [2020-09-21 12:17:25,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (1/1) ... [2020-09-21 12:17:25,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:17:25,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:17:25,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:17:25,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:17:25,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (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 [2020-09-21 12:17:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:17:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:17:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:17:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:17:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:17:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:17:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:17:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:17:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:17:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:17:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:17:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:17:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:17:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:17:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:17:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:17:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:17:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:17:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:17:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:17:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:17:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:17:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:17:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:17:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:17:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:17:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:17:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:17:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:17:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:17:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:17:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:17:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:17:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:17:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:17:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:17:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:17:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:17:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:17:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:17:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:17:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:17:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:17:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:17:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:17:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:17:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:17:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:17:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:17:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:17:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:17:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:17:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:17:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:17:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:17:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:17:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:17:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:17:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:17:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:17:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:17:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:17:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:17:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:17:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:17:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:17:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:17:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:17:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:17:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:17:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:17:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:17:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:17:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:17:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:17:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:17:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:17:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:17:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:17:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:17:26,707 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:17:26,707 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:17:26,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:26 BoogieIcfgContainer [2020-09-21 12:17:26,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:17:26,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:17:26,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:17:26,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:17:26,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:17:24" (1/3) ... [2020-09-21 12:17:26,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa43109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:26, skipping insertion in model container [2020-09-21 12:17:26,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:25" (2/3) ... [2020-09-21 12:17:26,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa43109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:26, skipping insertion in model container [2020-09-21 12:17:26,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:26" (3/3) ... [2020-09-21 12:17:26,731 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2020-09-21 12:17:26,743 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:17:26,757 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:17:26,781 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:17:26,825 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:17:26,826 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:17:26,826 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:17:26,826 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:17:26,826 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:17:26,826 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:17:26,826 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:17:26,827 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:17:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-09-21 12:17:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:17:26,870 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:26,871 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:26,872 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:26,880 INFO L82 PathProgramCache]: Analyzing trace with hash -393031923, now seen corresponding path program 1 times [2020-09-21 12:17:26,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:26,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44218607] [2020-09-21 12:17:26,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:27,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:27,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:17:28,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:17:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:17:28,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:17:28,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:17:28,639 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:28,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:28,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-21 12:17:28,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:28,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:28,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:28,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:28,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:17:28,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:28,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:28,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:28,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:28,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:17:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:28,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:28,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:28,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:28,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:17:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:28,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:28,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:28,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:28,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:28,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:28,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:28,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:28,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:28,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44218607] [2020-09-21 12:17:28,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:28,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:17:28,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372513811] [2020-09-21 12:17:28,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:17:28,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:28,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:17:28,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:28,948 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2020-09-21 12:17:30,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:30,033 INFO L93 Difference]: Finished difference Result 291 states and 375 transitions. [2020-09-21 12:17:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:17:30,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:17:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:30,077 INFO L225 Difference]: With dead ends: 291 [2020-09-21 12:17:30,077 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 12:17:30,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:30,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 12:17:30,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2020-09-21 12:17:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-21 12:17:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-09-21 12:17:30,207 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 59 [2020-09-21 12:17:30,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:30,207 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-09-21 12:17:30,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:17:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-09-21 12:17:30,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:17:30,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:30,212 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:30,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:17:30,212 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:30,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:30,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1952772994, now seen corresponding path program 1 times [2020-09-21 12:17:30,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:30,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293927771] [2020-09-21 12:17:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:30,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:30,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:31,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:31,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 12:17:31,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:17:31,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1469 [2020-09-21 12:17:31,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 12:17:31,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:32,106 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:32,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:32,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 12:17:32,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:17:32,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:32,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:32,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:32,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:32,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:32,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:32,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:17:32,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:32,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:32,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:32,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:17:32,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:32,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:32,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:32,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:32,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:32,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:17:32,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:32,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:32,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:17:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:32,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:17:32,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:17:32,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:32,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:32,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:32,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:32,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:32,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:17:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:32,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:32,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:32,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:17:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:32,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:32,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:32,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:17:32,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:32,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:32,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:32,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293927771] [2020-09-21 12:17:32,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:32,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:17:32,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140814488] [2020-09-21 12:17:32,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:17:32,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:32,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:17:32,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:17:32,459 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 6 states. [2020-09-21 12:17:32,772 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:33,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:33,573 INFO L93 Difference]: Finished difference Result 264 states and 330 transitions. [2020-09-21 12:17:33,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:17:33,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-09-21 12:17:33,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:33,580 INFO L225 Difference]: With dead ends: 264 [2020-09-21 12:17:33,581 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 12:17:33,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:17:33,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 12:17:33,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2020-09-21 12:17:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-21 12:17:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2020-09-21 12:17:33,655 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 60 [2020-09-21 12:17:33,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:33,655 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2020-09-21 12:17:33,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:17:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2020-09-21 12:17:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-09-21 12:17:33,668 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:33,668 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:33,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:17:33,669 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:33,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:33,669 INFO L82 PathProgramCache]: Analyzing trace with hash -49364601, now seen corresponding path program 1 times [2020-09-21 12:17:33,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:33,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088657909] [2020-09-21 12:17:33,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:34,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:34,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:34,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:34,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:34,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 12:17:34,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:17:34,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-09-21 12:17:34,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:17:34,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-21 12:17:34,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 12:17:34,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:35,157 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:35,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:35,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 12:17:35,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:35,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:35,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:35,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:35,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:35,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:35,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:35,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:35,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:35,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:35,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:17:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:35,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:35,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:35,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:35,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:17:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:17:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:17:35,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:17:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:17:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:35,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:35,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:17:35,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:17:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:35,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:35,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:17:35,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 12:17:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:35,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:35,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:35,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:35,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 12:17:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:35,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:35,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:17:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:17:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:17:35,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088657909] [2020-09-21 12:17:35,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:35,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:17:35,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783406475] [2020-09-21 12:17:35,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:17:35,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:35,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:17:35,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:17:35,423 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 9 states. [2020-09-21 12:17:35,853 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:36,539 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:37,365 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:37,665 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:37,719 INFO L93 Difference]: Finished difference Result 221 states and 280 transitions. [2020-09-21 12:17:37,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:17:37,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2020-09-21 12:17:37,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:37,722 INFO L225 Difference]: With dead ends: 221 [2020-09-21 12:17:37,722 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:17:37,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:17:37,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:17:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:17:37,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:17:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:17:37,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-09-21 12:17:37,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:37,727 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:17:37,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:17:37,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:17:37,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:17:37,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:17:37,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:17:37,964 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:38,152 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:38,340 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:38,517 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:38,679 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:38,842 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:38,948 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 9 [2020-09-21 12:17:39,055 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 9 [2020-09-21 12:17:39,158 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 9 [2020-09-21 12:17:39,325 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:39,490 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:39,649 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:39,796 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:39,954 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:40,110 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:40,264 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:40,422 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:40,577 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:40,734 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:40,889 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:41,045 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:41,201 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:41,356 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:41,510 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:41,663 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:41,832 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:41,985 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:42,138 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:42,296 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:42,493 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:42,647 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:42,800 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:42,958 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:43,116 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:43,367 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:43,521 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:43,676 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:43,829 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:43,990 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:44,148 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:44,301 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:44,552 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:44,704 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:44,959 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:17:45,167 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:17:45,406 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:45,642 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:17:45,942 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:46,171 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:46,445 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:46,666 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:17:46,915 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:17:47,155 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:17:47,388 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:17:47,636 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:17:47,855 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:17:48,079 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:48,301 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:48,545 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:17:48,778 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:49,048 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:49,278 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:17:49,549 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:17:49,583 INFO L268 CegarLoopResult]: For program point L418-1(lines 418 422) no Hoare annotation was computed. [2020-09-21 12:17:49,583 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 12:17:49,584 INFO L268 CegarLoopResult]: For program point L412-2(lines 412 433) no Hoare annotation was computed. [2020-09-21 12:17:49,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 387 442) no Hoare annotation was computed. [2020-09-21 12:17:49,584 INFO L268 CegarLoopResult]: For program point L434(lines 411 435) no Hoare annotation was computed. [2020-09-21 12:17:49,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 387 442) no Hoare annotation was computed. [2020-09-21 12:17:49,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 387 442) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 479) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 443 502) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point L469-2(lines 469 494) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point L495(lines 468 496) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 443 502) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 443 502) no Hoare annotation was computed. [2020-09-21 12:17:49,585 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:17:49,586 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-09-21 12:17:49,586 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2020-09-21 12:17:49,586 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2020-09-21 12:17:49,586 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2020-09-21 12:17:49,586 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2020-09-21 12:17:49,586 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 325 333) no Hoare annotation was computed. [2020-09-21 12:17:49,586 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:17:49,587 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-09-21 12:17:49,587 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-09-21 12:17:49,587 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 158 167) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:17:49,587 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 158 167) no Hoare annotation was computed. [2020-09-21 12:17:49,587 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 158 167) no Hoare annotation was computed. [2020-09-21 12:17:49,587 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:17:49,588 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:49,588 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-09-21 12:17:49,588 INFO L268 CegarLoopResult]: For program point L180(lines 180 190) no Hoare annotation was computed. [2020-09-21 12:17:49,588 INFO L271 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: true [2020-09-21 12:17:49,588 INFO L268 CegarLoopResult]: For program point L178-1(line 178) no Hoare annotation was computed. [2020-09-21 12:17:49,588 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 168 196) the Hoare annotation is: true [2020-09-21 12:17:49,588 INFO L268 CegarLoopResult]: For program point L176(lines 176 193) no Hoare annotation was computed. [2020-09-21 12:17:49,589 INFO L268 CegarLoopResult]: For program point L176-1(lines 168 196) no Hoare annotation was computed. [2020-09-21 12:17:49,589 INFO L271 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: true [2020-09-21 12:17:49,589 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-09-21 12:17:49,589 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 168 196) no Hoare annotation was computed. [2020-09-21 12:17:49,589 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,589 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,590 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,590 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,590 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:17:49,590 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:17:49,590 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,591 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:17:49,591 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:17:49,592 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2020-09-21 12:17:49,593 INFO L271 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: true [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-09-21 12:17:49,593 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 893 928) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point L900(lines 900 908) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 341 386) no Hoare annotation was computed. [2020-09-21 12:17:49,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 341 386) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 341 386) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L268 CegarLoopResult]: For program point L668(lines 668 688) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L268 CegarLoopResult]: For program point L668-1(lines 668 688) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 654 699) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 654 699) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 654 699) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L268 CegarLoopResult]: For program point L674(lines 674 681) no Hoare annotation was computed. [2020-09-21 12:17:49,595 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,596 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,596 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:17:49,596 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:17:49,596 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2020-09-21 12:17:49,596 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-09-21 12:17:49,596 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-09-21 12:17:49,596 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2020-09-21 12:17:49,596 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2020-09-21 12:17:49,596 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: true [2020-09-21 12:17:49,596 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2020-09-21 12:17:49,596 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2020-09-21 12:17:49,597 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 832 856) no Hoare annotation was computed. [2020-09-21 12:17:49,597 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 832 856) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,597 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,597 INFO L268 CegarLoopResult]: For program point L851-1(lines 832 856) no Hoare annotation was computed. [2020-09-21 12:17:49,597 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,597 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,597 INFO L268 CegarLoopResult]: For program point L840(lines 840 848) no Hoare annotation was computed. [2020-09-21 12:17:49,597 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,597 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-09-21 12:17:49,597 INFO L268 CegarLoopResult]: For program point L836(lines 836 853) no Hoare annotation was computed. [2020-09-21 12:17:49,598 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 798 804) no Hoare annotation was computed. [2020-09-21 12:17:49,598 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 798 804) the Hoare annotation is: true [2020-09-21 12:17:49,598 INFO L264 CegarLoopResult]: At program point testENTRY(lines 701 764) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,598 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,598 INFO L268 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-09-21 12:17:49,598 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2020-09-21 12:17:49,598 INFO L268 CegarLoopResult]: For program point testFINAL(lines 701 764) no Hoare annotation was computed. [2020-09-21 12:17:49,598 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,599 INFO L264 CegarLoopResult]: At program point L754(lines 711 756) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,599 INFO L268 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-09-21 12:17:49,599 INFO L268 CegarLoopResult]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2020-09-21 12:17:49,599 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-09-21 12:17:49,599 INFO L264 CegarLoopResult]: At program point L757(lines 710 758) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,599 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-09-21 12:17:49,599 INFO L264 CegarLoopResult]: At program point L747-2(lines 741 752) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,600 INFO L268 CegarLoopResult]: For program point L712(lines 711 756) no Hoare annotation was computed. [2020-09-21 12:17:49,600 INFO L268 CegarLoopResult]: For program point L741(lines 741 752) no Hoare annotation was computed. [2020-09-21 12:17:49,600 INFO L268 CegarLoopResult]: For program point testEXIT(lines 701 764) no Hoare annotation was computed. [2020-09-21 12:17:49,600 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 608 653) no Hoare annotation was computed. [2020-09-21 12:17:49,600 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 608 653) no Hoare annotation was computed. [2020-09-21 12:17:49,600 INFO L268 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2020-09-21 12:17:49,600 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 608 653) no Hoare annotation was computed. [2020-09-21 12:17:49,601 INFO L268 CegarLoopResult]: For program point L622(lines 622 642) no Hoare annotation was computed. [2020-09-21 12:17:49,601 INFO L268 CegarLoopResult]: For program point L622-1(lines 622 642) no Hoare annotation was computed. [2020-09-21 12:17:49,601 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 290 298) no Hoare annotation was computed. [2020-09-21 12:17:49,601 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 290 298) the Hoare annotation is: true [2020-09-21 12:17:49,601 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 290 298) no Hoare annotation was computed. [2020-09-21 12:17:49,601 INFO L268 CegarLoopResult]: For program point L266(lines 266 274) no Hoare annotation was computed. [2020-09-21 12:17:49,601 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 258 280) no Hoare annotation was computed. [2020-09-21 12:17:49,602 INFO L268 CegarLoopResult]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2020-09-21 12:17:49,602 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 258 280) no Hoare annotation was computed. [2020-09-21 12:17:49,602 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 258 280) no Hoare annotation was computed. [2020-09-21 12:17:49,602 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2020-09-21 12:17:49,602 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 301 310) no Hoare annotation was computed. [2020-09-21 12:17:49,602 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2020-09-21 12:17:49,602 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 505 607) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point L593(lines 593 604) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point L554-2(lines 554 574) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 505 607) no Hoare annotation was computed. [2020-09-21 12:17:49,603 INFO L268 CegarLoopResult]: For program point L575(lines 553 576) no Hoare annotation was computed. [2020-09-21 12:17:49,604 INFO L268 CegarLoopResult]: For program point L534(lines 534 550) no Hoare annotation was computed. [2020-09-21 12:17:49,604 INFO L268 CegarLoopResult]: For program point L594(lines 594 601) no Hoare annotation was computed. [2020-09-21 12:17:49,604 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 505 607) no Hoare annotation was computed. [2020-09-21 12:17:49,604 INFO L268 CegarLoopResult]: For program point L555(lines 554 574) no Hoare annotation was computed. [2020-09-21 12:17:49,604 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:17:49,604 INFO L268 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-09-21 12:17:49,604 INFO L268 CegarLoopResult]: For program point L551(lines 551 592) no Hoare annotation was computed. [2020-09-21 12:17:49,605 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:49,605 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:17:49,605 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:49,605 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 857 864) no Hoare annotation was computed. [2020-09-21 12:17:49,606 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 857 864) no Hoare annotation was computed. [2020-09-21 12:17:49,606 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 857 864) no Hoare annotation was computed. [2020-09-21 12:17:49,606 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 281 289) the Hoare annotation is: true [2020-09-21 12:17:49,606 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 281 289) no Hoare annotation was computed. [2020-09-21 12:17:49,606 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 281 289) no Hoare annotation was computed. [2020-09-21 12:17:49,606 INFO L268 CegarLoopResult]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2020-09-21 12:17:49,606 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 237 248) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:17:49,607 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2020-09-21 12:17:49,607 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:49,607 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:17:49,607 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:49,607 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,607 INFO L264 CegarLoopResult]: At program point L785(lines 785 791) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,608 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 771 797) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,608 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,608 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 771 797) no Hoare annotation was computed. [2020-09-21 12:17:49,608 INFO L268 CegarLoopResult]: For program point L778(lines 774 796) no Hoare annotation was computed. [2020-09-21 12:17:49,608 INFO L268 CegarLoopResult]: For program point L776(lines 774 796) no Hoare annotation was computed. [2020-09-21 12:17:49,608 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 771 797) no Hoare annotation was computed. [2020-09-21 12:17:49,608 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:17:49,609 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:17:49,609 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,609 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:17:49,609 INFO L264 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,609 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:17:49,609 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,610 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,610 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:17:49,610 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:17:49,610 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 249 257) the Hoare annotation is: true [2020-09-21 12:17:49,610 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 249 257) no Hoare annotation was computed. [2020-09-21 12:17:49,610 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2020-09-21 12:17:49,610 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 213 224) the Hoare annotation is: true [2020-09-21 12:17:49,610 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 213 224) no Hoare annotation was computed. [2020-09-21 12:17:49,611 INFO L268 CegarLoopResult]: For program point L217-1(lines 213 224) no Hoare annotation was computed. [2020-09-21 12:17:49,611 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:17:49,611 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:17:49,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:49,611 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2020-09-21 12:17:49,611 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:17:49,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:49,612 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2020-09-21 12:17:49,612 INFO L268 CegarLoopResult]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2020-09-21 12:17:49,612 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 225 236) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:17:49,612 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 198 205) no Hoare annotation was computed. [2020-09-21 12:17:49,612 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-09-21 12:17:49,612 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 198 205) the Hoare annotation is: true [2020-09-21 12:17:49,613 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 198 205) no Hoare annotation was computed. [2020-09-21 12:17:49,613 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 806 830) no Hoare annotation was computed. [2020-09-21 12:17:49,613 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 806 830) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,613 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,613 INFO L268 CegarLoopResult]: For program point L825-1(lines 806 830) no Hoare annotation was computed. [2020-09-21 12:17:49,613 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,613 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,613 INFO L268 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-09-21 12:17:49,614 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:49,614 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-09-21 12:17:49,614 INFO L268 CegarLoopResult]: For program point L810(lines 810 827) no Hoare annotation was computed. [2020-09-21 12:17:49,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:17:49 BoogieIcfgContainer [2020-09-21 12:17:49,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:17:49,636 INFO L168 Benchmark]: Toolchain (without parser) took 24993.23 ms. Allocated memory was 137.4 MB in the beginning and 500.7 MB in the end (delta: 363.3 MB). Free memory was 99.7 MB in the beginning and 322.6 MB in the end (delta: -223.0 MB). Peak memory consumption was 381.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:49,637 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.5 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:17:49,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.13 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 98.8 MB in the beginning and 170.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:49,639 INFO L168 Benchmark]: Boogie Preprocessor took 144.51 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 166.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:49,640 INFO L168 Benchmark]: RCFGBuilder took 1234.67 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 166.1 MB in the beginning and 197.0 MB in the end (delta: -30.9 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:49,641 INFO L168 Benchmark]: TraceAbstraction took 22912.76 ms. Allocated memory was 230.2 MB in the beginning and 500.7 MB in the end (delta: 270.5 MB). Free memory was 195.3 MB in the beginning and 322.6 MB in the end (delta: -127.4 MB). Peak memory consumption was 384.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:49,645 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.5 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.13 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 98.8 MB in the beginning and 170.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.51 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 166.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1234.67 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 166.1 MB in the beginning and 197.0 MB in the end (delta: -30.9 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22912.76 ms. Allocated memory was 230.2 MB in the beginning and 500.7 MB in the end (delta: 270.5 MB). Free memory was 195.3 MB in the beginning and 322.6 MB in the end (delta: -127.4 MB). Peak memory consumption was 384.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: 711]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 332 SDtfs, 555 SDslu, 175 SDs, 0 SdLazy, 587 SolverSat, 362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred 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, 56 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 238 PreInvPairs, 268 NumberOfFragments, 736 HoareAnnotationTreeSize, 238 FomulaSimplifications, 3330 FormulaSimplificationTreeSizeReduction, 6.9s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5589 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 54471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...