/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:17:27,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:17:27,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:17:27,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:17:27,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:17:27,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:17:27,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:17:27,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:17:27,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:17:27,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:17:27,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:17:27,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:17:27,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:17:27,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:17:27,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:17:27,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:17:27,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:17:27,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:17:27,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:17:27,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:17:27,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:17:27,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:17:27,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:17:27,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:17:27,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:17:27,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:17:27,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:17:27,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:17:27,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:17:27,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:17:27,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:17:27,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:17:27,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:17:27,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:17:27,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:17:27,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:17:27,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:17:27,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:17:27,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:17:27,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:17:27,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:17:27,188 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 12:17:27,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:17:27,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:17:27,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:17:27,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:17:27,238 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:17:27,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:17:27,239 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:17:27,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:17:27,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:17:27,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:17:27,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:17:27,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:17:27,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:17:27,241 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:17:27,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:17:27,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:17:27,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:17:27,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:17:27,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:17:27,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:17:27,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:17:27,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:27,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:17:27,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:17:27,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:17:27,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:17:27,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:17:27,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:17:27,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:17:27,244 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 12:17:27,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:17:27,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:17:27,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:17:27,749 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:17:27,749 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:17:27,751 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-09-21 12:17:27,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46be9176c/8daee04c518e488e9fd8b1788d8b937d/FLAG6dc1919e3 [2020-09-21 12:17:28,414 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:17:28,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-09-21 12:17:28,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46be9176c/8daee04c518e488e9fd8b1788d8b937d/FLAG6dc1919e3 [2020-09-21 12:17:28,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46be9176c/8daee04c518e488e9fd8b1788d8b937d [2020-09-21 12:17:28,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:17:28,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:17:28,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:28,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:17:28,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:17:28,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:28" (1/1) ... [2020-09-21 12:17:28,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d587f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:28, skipping insertion in model container [2020-09-21 12:17:28,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:28" (1/1) ... [2020-09-21 12:17:28,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:17:28,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:17:29,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:29,413 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:17:29,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:29,581 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:17:29,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29 WrapperNode [2020-09-21 12:17:29,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:29,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:17:29,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:17:29,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:17:29,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (1/1) ... [2020-09-21 12:17:29,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (1/1) ... [2020-09-21 12:17:29,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (1/1) ... [2020-09-21 12:17:29,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (1/1) ... [2020-09-21 12:17:29,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (1/1) ... [2020-09-21 12:17:29,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (1/1) ... [2020-09-21 12:17:29,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (1/1) ... [2020-09-21 12:17:29,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:17:29,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:17:29,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:17:29,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:17:29,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (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 12:17:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:17:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:17:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:17:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:17:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:17:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:17:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:17:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:17:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:17:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:17:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:17:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:17:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:17:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:17:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:17:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:17:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:17:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:17:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:17:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:17:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:17:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:17:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:17:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:17:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:17:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:17:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:17:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:17:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:17:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:17:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:17:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:17:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:17:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:17:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:17:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:17:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:17:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:17:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:17:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:17:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:17:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:17:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:17:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:17:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:17:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:17:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:17:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:17:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:17:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:17:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:17:31,028 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:17:31,028 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:17:31,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:31 BoogieIcfgContainer [2020-09-21 12:17:31,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:17:31,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:17:31,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:17:31,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:17:31,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:17:28" (1/3) ... [2020-09-21 12:17:31,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725984e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:31, skipping insertion in model container [2020-09-21 12:17:31,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:29" (2/3) ... [2020-09-21 12:17:31,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725984e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:31, skipping insertion in model container [2020-09-21 12:17:31,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:31" (3/3) ... [2020-09-21 12:17:31,044 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2020-09-21 12:17:31,057 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:17:31,068 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:17:31,091 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:17:31,124 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:17:31,124 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:17:31,125 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:17:31,125 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:17:31,125 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:17:31,125 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:17:31,125 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:17:31,125 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:17:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-09-21 12:17:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:17:31,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:31,174 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 12:17:31,174 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:31,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:31,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1996621703, now seen corresponding path program 1 times [2020-09-21 12:17:31,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:31,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594270118] [2020-09-21 12:17:31,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:31,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:32,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:32,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:17:32,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:17:32,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:17:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-21 12:17:33,002 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:33,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:33,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 12:17:33,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:33,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:33,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:33,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:33,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:33,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:33,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:33,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:33,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:33,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:33,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:33,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:33,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:17:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:33,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:17:33,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:33,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:33,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:33,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:17:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:33,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:33,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:33,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:33,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:33,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:33,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:33,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:33,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:33,282 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 12:17:33,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594270118] [2020-09-21 12:17:33,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:33,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:17:33,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260420878] [2020-09-21 12:17:33,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:17:33,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:33,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:17:33,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:33,316 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-09-21 12:17:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:34,523 INFO L93 Difference]: Finished difference Result 316 states and 408 transitions. [2020-09-21 12:17:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:17:34,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:17:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:34,546 INFO L225 Difference]: With dead ends: 316 [2020-09-21 12:17:34,546 INFO L226 Difference]: Without dead ends: 175 [2020-09-21 12:17:34,552 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 12:17:34,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-21 12:17:34,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 142. [2020-09-21 12:17:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-09-21 12:17:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-09-21 12:17:34,683 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-09-21 12:17:34,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:34,685 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-09-21 12:17:34,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:17:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-09-21 12:17:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:17:34,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:34,698 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 12:17:34,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:17:34,698 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:34,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:34,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2025451369, now seen corresponding path program 1 times [2020-09-21 12:17:34,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:34,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868879977] [2020-09-21 12:17:34,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:34,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:34,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 12:17:35,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-09-21 12:17:35,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:17:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:17:35,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,209 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:36,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 12:17:36,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:36,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:36,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:36,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:36,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:36,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:36,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 12:17:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:17:36,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:17:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:36,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:17:36,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:36,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:17:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:36,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:17:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:36,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:36,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,518 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 12:17:36,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868879977] [2020-09-21 12:17:36,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:36,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:17:36,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367376575] [2020-09-21 12:17:36,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:17:36,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:36,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:17:36,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:17:36,524 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2020-09-21 12:17:37,228 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:17:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:38,334 INFO L93 Difference]: Finished difference Result 251 states and 308 transitions. [2020-09-21 12:17:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:17:38,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 12:17:38,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:38,343 INFO L225 Difference]: With dead ends: 251 [2020-09-21 12:17:38,344 INFO L226 Difference]: Without dead ends: 165 [2020-09-21 12:17:38,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:17:38,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-21 12:17:38,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 133. [2020-09-21 12:17:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-21 12:17:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2020-09-21 12:17:38,394 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2020-09-21 12:17:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:38,394 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2020-09-21 12:17:38,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:17:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2020-09-21 12:17:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:17:38,396 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:38,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:38,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:17:38,397 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:38,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:38,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1933806074, now seen corresponding path program 1 times [2020-09-21 12:17:38,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:38,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529231150] [2020-09-21 12:17:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:17:39,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:39,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:17:39,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:17:39,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 12:17:39,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:17:39,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,836 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:39,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-21 12:17:39,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:39,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:39,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:39,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:39,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:39,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:40,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:17:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:40,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:40,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:40,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:40,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:40,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:40,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:40,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:40,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:40,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:40,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:40,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:40,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:40,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:40,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:40,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:40,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:40,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:40,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:17:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:40,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:40,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:40,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:40,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:40,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:17:40,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:17:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:40,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:40,065 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 12:17:40,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529231150] [2020-09-21 12:17:40,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:40,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:17:40,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962174875] [2020-09-21 12:17:40,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:17:40,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:40,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:17:40,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:17:40,068 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 8 states. [2020-09-21 12:17:40,520 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:41,595 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-21 12:17:42,366 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:42,667 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:42,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:42,782 INFO L93 Difference]: Finished difference Result 225 states and 287 transitions. [2020-09-21 12:17:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:17:42,783 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 12:17:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:42,783 INFO L225 Difference]: With dead ends: 225 [2020-09-21 12:17:42,784 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:17:42,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:17:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:17:42,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:17:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:17:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:17:42,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:17:42,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:42,790 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:17:42,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:17:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:17:42,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:17:42,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:17:42,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:17:42,989 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:43,180 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:43,364 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:43,547 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:43,724 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:43,933 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:44,056 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:17:44,235 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:44,406 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:44,579 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:44,750 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:44,903 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,063 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,222 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:45,375 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,536 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,695 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,861 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,010 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,160 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,314 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,467 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,617 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,765 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,914 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,063 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,215 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,366 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,518 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,763 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,913 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,073 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,181 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:17:48,344 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,500 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,745 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,902 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,151 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,299 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,458 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,606 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,755 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,857 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:17:50,063 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:50,282 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:50,500 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:50,696 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:50,905 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:51,062 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:51,304 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:51,575 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:51,765 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:51,961 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-09-21 12:17:52,182 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:52,378 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:52,607 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:52,807 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:53,019 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:53,208 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:53,404 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:53,611 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:53,831 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:54,059 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 12:17:54,076 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-09-21 12:17:54,077 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 642) no Hoare annotation was computed. [2020-09-21 12:17:54,077 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-09-21 12:17:54,077 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 653) no Hoare annotation was computed. [2020-09-21 12:17:54,077 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 607 662) no Hoare annotation was computed. [2020-09-21 12:17:54,078 INFO L268 CegarLoopResult]: For program point L654(lines 631 655) no Hoare annotation was computed. [2020-09-21 12:17:54,078 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 607 662) no Hoare annotation was computed. [2020-09-21 12:17:54,078 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 607 662) no Hoare annotation was computed. [2020-09-21 12:17:54,078 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-09-21 12:17:54,078 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2020-09-21 12:17:54,079 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 663 722) no Hoare annotation was computed. [2020-09-21 12:17:54,079 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-09-21 12:17:54,079 INFO L268 CegarLoopResult]: For program point L689-2(lines 689 714) no Hoare annotation was computed. [2020-09-21 12:17:54,079 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 663 722) no Hoare annotation was computed. [2020-09-21 12:17:54,079 INFO L268 CegarLoopResult]: For program point L715(lines 688 716) no Hoare annotation was computed. [2020-09-21 12:17:54,079 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 663 722) no Hoare annotation was computed. [2020-09-21 12:17:54,080 INFO L268 CegarLoopResult]: For program point L708(line 708) no Hoare annotation was computed. [2020-09-21 12:17:54,080 INFO L268 CegarLoopResult]: For program point L708-1(line 708) no Hoare annotation was computed. [2020-09-21 12:17:54,080 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 258 264) the Hoare annotation is: true [2020-09-21 12:17:54,080 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 258 264) no Hoare annotation was computed. [2020-09-21 12:17:54,080 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 265 273) no Hoare annotation was computed. [2020-09-21 12:17:54,080 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 265 273) the Hoare annotation is: true [2020-09-21 12:17:54,081 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 265 273) no Hoare annotation was computed. [2020-09-21 12:17:54,081 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 923 930) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:54,081 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 923 930) no Hoare annotation was computed. [2020-09-21 12:17:54,081 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 923 930) no Hoare annotation was computed. [2020-09-21 12:17:54,081 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 931 940) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:54,082 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 931 940) no Hoare annotation was computed. [2020-09-21 12:17:54,082 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-09-21 12:17:54,082 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 931 940) no Hoare annotation was computed. [2020-09-21 12:17:54,082 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:17:54,082 INFO L268 CegarLoopResult]: For program point L954(lines 954 960) no Hoare annotation was computed. [2020-09-21 12:17:54,082 INFO L268 CegarLoopResult]: For program point L953(lines 953 963) no Hoare annotation was computed. [2020-09-21 12:17:54,083 INFO L271 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: true [2020-09-21 12:17:54,083 INFO L268 CegarLoopResult]: For program point L951-1(line 951) no Hoare annotation was computed. [2020-09-21 12:17:54,083 INFO L268 CegarLoopResult]: For program point L949(lines 949 966) no Hoare annotation was computed. [2020-09-21 12:17:54,083 INFO L268 CegarLoopResult]: For program point L949-1(lines 941 969) no Hoare annotation was computed. [2020-09-21 12:17:54,083 INFO L271 CegarLoopResult]: At program point L947(line 947) the Hoare annotation is: true [2020-09-21 12:17:54,083 INFO L268 CegarLoopResult]: For program point L947-1(line 947) no Hoare annotation was computed. [2020-09-21 12:17:54,083 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 941 969) the Hoare annotation is: true [2020-09-21 12:17:54,083 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 941 969) no Hoare annotation was computed. [2020-09-21 12:17:54,084 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,084 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,084 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,084 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,084 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:17:54,085 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:17:54,085 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,085 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,085 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:17:54,085 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:17:54,085 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:17:54,085 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:17:54,086 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:17:54,087 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:17:54,087 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:17:54,087 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:17:54,087 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:17:54,087 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:17:54,087 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:17:54,087 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:17:54,088 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:17:54,088 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 462 476) no Hoare annotation was computed. [2020-09-21 12:17:54,088 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 462 476) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:17:54,088 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 462 476) no Hoare annotation was computed. [2020-09-21 12:17:54,088 INFO L264 CegarLoopResult]: At program point L468(line 468) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,088 INFO L268 CegarLoopResult]: For program point L466(lines 466 472) no Hoare annotation was computed. [2020-09-21 12:17:54,089 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2020-09-21 12:17:54,089 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2020-09-21 12:17:54,089 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2020-09-21 12:17:54,089 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-09-21 12:17:54,089 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2020-09-21 12:17:54,089 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2020-09-21 12:17:54,089 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-09-21 12:17:54,090 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-09-21 12:17:54,090 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-09-21 12:17:54,090 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2020-09-21 12:17:54,090 INFO L268 CegarLoopResult]: For program point L414(lines 414 422) no Hoare annotation was computed. [2020-09-21 12:17:54,090 INFO L268 CegarLoopResult]: For program point L414-2(lines 414 422) no Hoare annotation was computed. [2020-09-21 12:17:54,090 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 12:17:54,090 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-09-21 12:17:54,091 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 407 442) no Hoare annotation was computed. [2020-09-21 12:17:54,091 INFO L268 CegarLoopResult]: For program point L426(lines 426 434) no Hoare annotation was computed. [2020-09-21 12:17:54,091 INFO L268 CegarLoopResult]: For program point L426-2(lines 426 434) no Hoare annotation was computed. [2020-09-21 12:17:54,091 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2020-09-21 12:17:54,091 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2020-09-21 12:17:54,091 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 251 257) no Hoare annotation was computed. [2020-09-21 12:17:54,091 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 251 257) the Hoare annotation is: true [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 561 606) no Hoare annotation was computed. [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 561 606) no Hoare annotation was computed. [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 561 606) no Hoare annotation was computed. [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point L894(lines 894 901) no Hoare annotation was computed. [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 874 919) no Hoare annotation was computed. [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point L888(lines 888 908) no Hoare annotation was computed. [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point L888-1(lines 888 908) no Hoare annotation was computed. [2020-09-21 12:17:54,092 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 874 919) no Hoare annotation was computed. [2020-09-21 12:17:54,093 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 874 919) no Hoare annotation was computed. [2020-09-21 12:17:54,093 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:54,093 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,093 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:17:54,093 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:17:54,093 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2020-09-21 12:17:54,093 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2020-09-21 12:17:54,093 INFO L271 CegarLoopResult]: At program point L392(line 392) the Hoare annotation is: true [2020-09-21 12:17:54,094 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-09-21 12:17:54,094 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2020-09-21 12:17:54,094 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: true [2020-09-21 12:17:54,094 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2020-09-21 12:17:54,094 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2020-09-21 12:17:54,094 INFO L264 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,094 INFO L268 CegarLoopResult]: For program point L352-1(line 352) no Hoare annotation was computed. [2020-09-21 12:17:54,094 INFO L268 CegarLoopResult]: For program point L350(lines 350 367) no Hoare annotation was computed. [2020-09-21 12:17:54,094 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2020-09-21 12:17:54,095 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:54,095 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:54,095 INFO L268 CegarLoopResult]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2020-09-21 12:17:54,095 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,095 INFO L264 CegarLoopResult]: At program point L356(line 356) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,095 INFO L268 CegarLoopResult]: For program point L354(lines 354 362) no Hoare annotation was computed. [2020-09-21 12:17:54,095 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 312 318) no Hoare annotation was computed. [2020-09-21 12:17:54,095 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 312 318) the Hoare annotation is: true [2020-09-21 12:17:54,095 INFO L264 CegarLoopResult]: At program point testENTRY(lines 486 553) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:54,095 INFO L264 CegarLoopResult]: At program point L543(lines 496 545) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,096 INFO L264 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,096 INFO L268 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-09-21 12:17:54,096 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2020-09-21 12:17:54,096 INFO L268 CegarLoopResult]: For program point testFINAL(lines 486 553) no Hoare annotation was computed. [2020-09-21 12:17:54,096 INFO L268 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-09-21 12:17:54,096 INFO L264 CegarLoopResult]: At program point L546(lines 495 547) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,096 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,096 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-09-21 12:17:54,096 INFO L264 CegarLoopResult]: At program point L534-1(lines 526 541) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,096 INFO L268 CegarLoopResult]: For program point L497(lines 496 545) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point L526(lines 526 541) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point testEXIT(lines 486 553) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 828 873) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 828 873) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 828 873) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-09-21 12:17:54,097 INFO L268 CegarLoopResult]: For program point L842(lines 842 862) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 862) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 230 238) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 230 238) the Hoare annotation is: true [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 230 238) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 198 220) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 198 220) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 198 220) no Hoare annotation was computed. [2020-09-21 12:17:54,098 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 241 250) no Hoare annotation was computed. [2020-09-21 12:17:54,099 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 241 250) no Hoare annotation was computed. [2020-09-21 12:17:54,099 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 241 250) no Hoare annotation was computed. [2020-09-21 12:17:54,099 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 725 827) no Hoare annotation was computed. [2020-09-21 12:17:54,099 INFO L268 CegarLoopResult]: For program point L795(lines 773 796) no Hoare annotation was computed. [2020-09-21 12:17:54,099 INFO L268 CegarLoopResult]: For program point L754(lines 754 770) no Hoare annotation was computed. [2020-09-21 12:17:54,099 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-09-21 12:17:54,099 INFO L268 CegarLoopResult]: For program point L775(lines 774 794) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 725 827) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point L771(lines 771 812) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 725 827) no Hoare annotation was computed. [2020-09-21 12:17:54,100 INFO L268 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-09-21 12:17:54,101 INFO L268 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-09-21 12:17:54,101 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-09-21 12:17:54,101 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 794) no Hoare annotation was computed. [2020-09-21 12:17:54,101 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:54,101 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:17:54,102 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:54,102 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 371 378) no Hoare annotation was computed. [2020-09-21 12:17:54,102 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 371 378) no Hoare annotation was computed. [2020-09-21 12:17:54,102 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 371 378) no Hoare annotation was computed. [2020-09-21 12:17:54,102 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 221 229) the Hoare annotation is: true [2020-09-21 12:17:54,102 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 221 229) no Hoare annotation was computed. [2020-09-21 12:17:54,102 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 221 229) no Hoare annotation was computed. [2020-09-21 12:17:54,103 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 177 188) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:17:54,103 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 177 188) no Hoare annotation was computed. [2020-09-21 12:17:54,103 INFO L268 CegarLoopResult]: For program point L181-1(lines 177 188) no Hoare annotation was computed. [2020-09-21 12:17:54,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:54,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:17:54,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:54,103 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 285 311) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:54,103 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:54,104 INFO L264 CegarLoopResult]: At program point L299(lines 299 305) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:54,104 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 285 311) no Hoare annotation was computed. [2020-09-21 12:17:54,104 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 285 311) no Hoare annotation was computed. [2020-09-21 12:17:54,104 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,104 INFO L268 CegarLoopResult]: For program point L292(lines 288 310) no Hoare annotation was computed. [2020-09-21 12:17:54,104 INFO L268 CegarLoopResult]: For program point L290(lines 288 310) no Hoare annotation was computed. [2020-09-21 12:17:54,104 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:17:54,105 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:17:54,105 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:17:54,105 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:17:54,105 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:17:54,105 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:17:54,105 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:17:54,105 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:17:54,105 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:17:54,106 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:17:54,106 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 189 197) the Hoare annotation is: true [2020-09-21 12:17:54,106 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 189 197) no Hoare annotation was computed. [2020-09-21 12:17:54,106 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 189 197) no Hoare annotation was computed. [2020-09-21 12:17:54,106 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 153 164) the Hoare annotation is: true [2020-09-21 12:17:54,106 INFO L268 CegarLoopResult]: For program point L157-1(lines 153 164) no Hoare annotation was computed. [2020-09-21 12:17:54,106 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 153 164) no Hoare annotation was computed. [2020-09-21 12:17:54,106 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:17:54,107 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:17:54,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:54,107 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-09-21 12:17:54,107 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:17:54,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:54,107 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 477 484) no Hoare annotation was computed. [2020-09-21 12:17:54,107 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 477 484) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,108 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 477 484) no Hoare annotation was computed. [2020-09-21 12:17:54,108 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 165 176) no Hoare annotation was computed. [2020-09-21 12:17:54,108 INFO L268 CegarLoopResult]: For program point L169-1(lines 165 176) no Hoare annotation was computed. [2020-09-21 12:17:54,108 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 165 176) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:54,108 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 971 978) no Hoare annotation was computed. [2020-09-21 12:17:54,108 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2020-09-21 12:17:54,109 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 971 978) the Hoare annotation is: true [2020-09-21 12:17:54,109 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 971 978) no Hoare annotation was computed. [2020-09-21 12:17:54,109 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 320 344) no Hoare annotation was computed. [2020-09-21 12:17:54,109 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 320 344) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:54,109 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:54,109 INFO L268 CegarLoopResult]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2020-09-21 12:17:54,109 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,110 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,110 INFO L268 CegarLoopResult]: For program point L328(lines 328 336) no Hoare annotation was computed. [2020-09-21 12:17:54,110 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:54,110 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-09-21 12:17:54,110 INFO L268 CegarLoopResult]: For program point L324(lines 324 341) no Hoare annotation was computed. [2020-09-21 12:17:54,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:17:54 BoogieIcfgContainer [2020-09-21 12:17:54,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:17:54,133 INFO L168 Benchmark]: Toolchain (without parser) took 25381.13 ms. Allocated memory was 146.8 MB in the beginning and 460.3 MB in the end (delta: 313.5 MB). Free memory was 100.7 MB in the beginning and 355.0 MB in the end (delta: -254.2 MB). Peak memory consumption was 323.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:54,134 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:17:54,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.38 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 100.1 MB in the beginning and 171.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:54,135 INFO L168 Benchmark]: Boogie Preprocessor took 107.83 ms. Allocated memory is still 206.6 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:54,136 INFO L168 Benchmark]: RCFGBuilder took 1343.52 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 167.3 MB in the beginning and 191.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:54,137 INFO L168 Benchmark]: TraceAbstraction took 23095.00 ms. Allocated memory was 234.4 MB in the beginning and 460.3 MB in the end (delta: 226.0 MB). Free memory was 190.0 MB in the beginning and 355.0 MB in the end (delta: -165.0 MB). Peak memory consumption was 325.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:54,141 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 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 825.38 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 100.1 MB in the beginning and 171.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.83 ms. Allocated memory is still 206.6 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1343.52 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 167.3 MB in the beginning and 191.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23095.00 ms. Allocated memory was 234.4 MB in the beginning and 460.3 MB in the end (delta: 226.0 MB). Free memory was 190.0 MB in the beginning and 355.0 MB in the end (delta: -165.0 MB). Peak memory consumption was 325.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 975]: 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: 496]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 363 SDslu, 220 SDs, 0 SdLazy, 723 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred 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, 65 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 220 PreInvPairs, 243 NumberOfFragments, 618 HoareAnnotationTreeSize, 220 FomulaSimplifications, 4344 FormulaSimplificationTreeSizeReduction, 7.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 5378 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 48383 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...