/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:43:32,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:43:32,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:43:32,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:43:32,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:43:32,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:43:32,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:43:32,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:43:32,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:43:32,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:43:32,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:43:32,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:43:32,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:43:32,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:43:32,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:43:32,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:43:32,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:43:32,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:43:32,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:43:32,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:43:32,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:43:32,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:43:32,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:43:32,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:43:32,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:43:32,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:43:32,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:43:32,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:43:32,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:43:32,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:43:32,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:43:32,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:43:32,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:43:32,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:43:32,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:43:32,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:43:32,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:43:32,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:43:32,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:43:32,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:43:32,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:43:32,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:43:32,771 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:43:32,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:43:32,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:43:32,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:43:32,773 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:43:32,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:43:32,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:43:32,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:43:32,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:43:32,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:43:32,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:43:32,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:43:32,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:43:32,776 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:43:32,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:43:32,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:43:32,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:43:32,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:43:32,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:43:32,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:43:32,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:43:32,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:32,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:43:32,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:43:32,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:43:32,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:43:32,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:32,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:43:32,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:43:32,779 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:43:33,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:43:33,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:43:33,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:43:33,077 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:43:33,078 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:43:33,078 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-21 15:43:33,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd2724da/4c84b772abd748e0b20e8f5c2a83fc16/FLAG586657f25 [2020-07-21 15:43:33,678 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:43:33,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-21 15:43:33,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd2724da/4c84b772abd748e0b20e8f5c2a83fc16/FLAG586657f25 [2020-07-21 15:43:33,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd2724da/4c84b772abd748e0b20e8f5c2a83fc16 [2020-07-21 15:43:33,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:43:33,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:43:33,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:33,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:43:33,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:43:33,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28503056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33, skipping insertion in model container [2020-07-21 15:43:33,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:43:34,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:43:34,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:34,529 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:43:34,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:34,683 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:43:34,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34 WrapperNode [2020-07-21 15:43:34,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:34,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:43:34,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:43:34,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:43:34,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... [2020-07-21 15:43:34,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... [2020-07-21 15:43:34,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... [2020-07-21 15:43:34,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... [2020-07-21 15:43:34,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... [2020-07-21 15:43:34,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... [2020-07-21 15:43:34,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... [2020-07-21 15:43:34,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:43:34,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:43:34,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:43:34,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:43:34,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 15:43:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:43:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:43:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:43:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:43:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:43:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:43:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:43:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:43:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:43:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:43:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:43:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:43:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:43:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:43:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:43:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:43:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:43:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:43:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:43:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:43:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:43:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:43:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:43:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:43:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:43:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:43:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:43:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:43:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:43:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:43:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:43:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:43:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:43:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:43:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:43:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:43:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:43:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:43:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:43:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:43:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:43:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:43:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:43:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:43:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:43:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:43:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:43:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:43:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:43:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:43:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:43:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:43:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:43:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:43:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:43:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:43:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:43:34,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:43:34,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:43:34,896 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:43:34,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:43:34,897 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:43:34,897 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:43:34,897 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:43:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:43:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:43:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:43:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:43:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:43:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:43:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:43:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:43:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:43:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:43:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:43:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:43:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:43:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:43:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:43:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:43:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:43:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:43:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:43:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:43:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:43:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:43:35,894 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:43:35,894 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:43:35,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:35 BoogieIcfgContainer [2020-07-21 15:43:35,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:43:35,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:43:35,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:43:35,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:43:35,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:43:33" (1/3) ... [2020-07-21 15:43:35,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d58dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:35, skipping insertion in model container [2020-07-21 15:43:35,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:34" (2/3) ... [2020-07-21 15:43:35,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d58dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:35, skipping insertion in model container [2020-07-21 15:43:35,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:35" (3/3) ... [2020-07-21 15:43:35,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-07-21 15:43:35,919 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:43:35,926 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:43:35,940 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:43:35,964 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:43:35,965 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:43:35,965 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:43:35,965 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:43:35,965 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:43:35,966 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:43:35,966 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:43:35,966 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:43:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-07-21 15:43:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 15:43:35,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:36,000 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] [2020-07-21 15:43:36,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:36,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:36,007 INFO L82 PathProgramCache]: Analyzing trace with hash -404445524, now seen corresponding path program 1 times [2020-07-21 15:43:36,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:36,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895187817] [2020-07-21 15:43:36,017 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:36,363 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:36,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:36,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:43:36,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:36,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:36,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895187817] [2020-07-21 15:43:36,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:36,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:43:36,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486044760] [2020-07-21 15:43:36,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:43:36,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:36,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:43:36,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:36,451 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 2 states. [2020-07-21 15:43:36,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:36,530 INFO L93 Difference]: Finished difference Result 316 states and 389 transitions. [2020-07-21 15:43:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:43:36,532 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 15:43:36,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:36,549 INFO L225 Difference]: With dead ends: 316 [2020-07-21 15:43:36,550 INFO L226 Difference]: Without dead ends: 160 [2020-07-21 15:43:36,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:36,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-21 15:43:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-21 15:43:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-21 15:43:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2020-07-21 15:43:36,615 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2020-07-21 15:43:36,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:36,616 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2020-07-21 15:43:36,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:43:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2020-07-21 15:43:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 15:43:36,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:36,621 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] [2020-07-21 15:43:36,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:36,835 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:36,836 INFO L82 PathProgramCache]: Analyzing trace with hash -315023676, now seen corresponding path program 1 times [2020-07-21 15:43:36,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:36,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23729105] [2020-07-21 15:43:36,838 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:37,136 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:37,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:37,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:37,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:37,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:37,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23729105] [2020-07-21 15:43:37,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:37,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:37,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695718290] [2020-07-21 15:43:37,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:37,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:37,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:37,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:37,183 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 3 states. [2020-07-21 15:43:37,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:37,204 INFO L93 Difference]: Finished difference Result 261 states and 307 transitions. [2020-07-21 15:43:37,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:37,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 15:43:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:37,207 INFO L225 Difference]: With dead ends: 261 [2020-07-21 15:43:37,207 INFO L226 Difference]: Without dead ends: 151 [2020-07-21 15:43:37,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:37,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-21 15:43:37,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-07-21 15:43:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-21 15:43:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2020-07-21 15:43:37,227 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2020-07-21 15:43:37,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:37,227 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2020-07-21 15:43:37,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2020-07-21 15:43:37,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 15:43:37,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:37,231 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] [2020-07-21 15:43:37,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:37,448 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:37,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:37,449 INFO L82 PathProgramCache]: Analyzing trace with hash 649722396, now seen corresponding path program 1 times [2020-07-21 15:43:37,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:37,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703694316] [2020-07-21 15:43:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:37,708 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:37,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:37,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:37,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:37,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:37,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703694316] [2020-07-21 15:43:37,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:37,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:37,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108413802] [2020-07-21 15:43:37,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:37,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:37,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:37,743 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states. [2020-07-21 15:43:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:37,760 INFO L93 Difference]: Finished difference Result 274 states and 325 transitions. [2020-07-21 15:43:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:37,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 15:43:37,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:37,765 INFO L225 Difference]: With dead ends: 274 [2020-07-21 15:43:37,765 INFO L226 Difference]: Without dead ends: 151 [2020-07-21 15:43:37,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:37,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-21 15:43:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-07-21 15:43:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-21 15:43:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2020-07-21 15:43:37,814 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2020-07-21 15:43:37,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:37,819 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2020-07-21 15:43:37,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2020-07-21 15:43:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 15:43:37,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:37,824 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:38,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:38,026 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:38,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:38,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2071838844, now seen corresponding path program 1 times [2020-07-21 15:43:38,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:38,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412116561] [2020-07-21 15:43:38,028 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:38,311 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:38,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:38,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:43:38,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:38,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:38,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412116561] [2020-07-21 15:43:38,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:38,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 15:43:38,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092095189] [2020-07-21 15:43:38,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:43:38,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:38,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:43:38,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:38,372 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 7 states. [2020-07-21 15:43:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:39,198 INFO L93 Difference]: Finished difference Result 369 states and 458 transitions. [2020-07-21 15:43:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:43:39,198 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-07-21 15:43:39,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:39,201 INFO L225 Difference]: With dead ends: 369 [2020-07-21 15:43:39,201 INFO L226 Difference]: Without dead ends: 246 [2020-07-21 15:43:39,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:43:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-21 15:43:39,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 229. [2020-07-21 15:43:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 15:43:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 268 transitions. [2020-07-21 15:43:39,229 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 268 transitions. Word has length 83 [2020-07-21 15:43:39,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:39,230 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 268 transitions. [2020-07-21 15:43:39,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:43:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 268 transitions. [2020-07-21 15:43:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 15:43:39,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:39,232 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:39,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:39,446 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:39,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:39,447 INFO L82 PathProgramCache]: Analyzing trace with hash 115684108, now seen corresponding path program 1 times [2020-07-21 15:43:39,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:39,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482293333] [2020-07-21 15:43:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:39,672 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:39,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:39,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:39,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:39,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:39,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482293333] [2020-07-21 15:43:39,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:39,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:39,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369791359] [2020-07-21 15:43:39,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:39,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:39,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:39,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:39,722 INFO L87 Difference]: Start difference. First operand 229 states and 268 transitions. Second operand 6 states. [2020-07-21 15:43:39,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:39,764 INFO L93 Difference]: Finished difference Result 435 states and 522 transitions. [2020-07-21 15:43:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:43:39,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-21 15:43:39,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:39,768 INFO L225 Difference]: With dead ends: 435 [2020-07-21 15:43:39,768 INFO L226 Difference]: Without dead ends: 234 [2020-07-21 15:43:39,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:39,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-21 15:43:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-07-21 15:43:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-07-21 15:43:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 273 transitions. [2020-07-21 15:43:39,794 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 273 transitions. Word has length 98 [2020-07-21 15:43:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:39,794 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 273 transitions. [2020-07-21 15:43:39,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 273 transitions. [2020-07-21 15:43:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 15:43:39,796 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:39,797 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:40,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:40,011 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:40,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:40,012 INFO L82 PathProgramCache]: Analyzing trace with hash 43297550, now seen corresponding path program 1 times [2020-07-21 15:43:40,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:40,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771096678] [2020-07-21 15:43:40,014 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:40,196 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:40,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:40,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:43:40,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:40,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:40,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771096678] [2020-07-21 15:43:40,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:40,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:40,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013164994] [2020-07-21 15:43:40,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:40,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:40,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:40,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:40,234 INFO L87 Difference]: Start difference. First operand 234 states and 273 transitions. Second operand 5 states. [2020-07-21 15:43:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:40,257 INFO L93 Difference]: Finished difference Result 447 states and 543 transitions. [2020-07-21 15:43:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:40,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-21 15:43:40,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:40,259 INFO L225 Difference]: With dead ends: 447 [2020-07-21 15:43:40,260 INFO L226 Difference]: Without dead ends: 241 [2020-07-21 15:43:40,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:40,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-21 15:43:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2020-07-21 15:43:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-21 15:43:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 277 transitions. [2020-07-21 15:43:40,277 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 277 transitions. Word has length 98 [2020-07-21 15:43:40,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:40,278 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 277 transitions. [2020-07-21 15:43:40,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 277 transitions. [2020-07-21 15:43:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 15:43:40,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:40,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:40,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:40,493 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:40,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:40,494 INFO L82 PathProgramCache]: Analyzing trace with hash 373063311, now seen corresponding path program 1 times [2020-07-21 15:43:40,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:40,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790045268] [2020-07-21 15:43:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:40,732 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:40,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:40,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:43:40,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:40,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:40,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790045268] [2020-07-21 15:43:40,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:40,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:40,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939480290] [2020-07-21 15:43:40,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:40,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:40,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:40,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:40,765 INFO L87 Difference]: Start difference. First operand 238 states and 277 transitions. Second operand 3 states. [2020-07-21 15:43:40,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:40,832 INFO L93 Difference]: Finished difference Result 628 states and 776 transitions. [2020-07-21 15:43:40,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:40,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-21 15:43:40,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:40,838 INFO L225 Difference]: With dead ends: 628 [2020-07-21 15:43:40,838 INFO L226 Difference]: Without dead ends: 418 [2020-07-21 15:43:40,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-07-21 15:43:40,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 415. [2020-07-21 15:43:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-07-21 15:43:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 499 transitions. [2020-07-21 15:43:40,882 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 499 transitions. Word has length 98 [2020-07-21 15:43:40,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:40,882 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 499 transitions. [2020-07-21 15:43:40,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 499 transitions. [2020-07-21 15:43:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-21 15:43:40,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:40,888 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:41,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:41,102 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:41,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:41,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1661296137, now seen corresponding path program 1 times [2020-07-21 15:43:41,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:41,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283915190] [2020-07-21 15:43:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:41,362 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:41,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:41,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 15:43:41,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:41,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:41,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:41,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283915190] [2020-07-21 15:43:41,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:41,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 15:43:41,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035107676] [2020-07-21 15:43:41,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:41,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:41,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:41,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:41,471 INFO L87 Difference]: Start difference. First operand 415 states and 499 transitions. Second operand 10 states. [2020-07-21 15:43:42,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:42,873 INFO L93 Difference]: Finished difference Result 1116 states and 1521 transitions. [2020-07-21 15:43:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:43:42,873 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-07-21 15:43:42,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:42,881 INFO L225 Difference]: With dead ends: 1116 [2020-07-21 15:43:42,881 INFO L226 Difference]: Without dead ends: 729 [2020-07-21 15:43:42,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 15:43:42,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-07-21 15:43:42,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 553. [2020-07-21 15:43:42,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-07-21 15:43:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 668 transitions. [2020-07-21 15:43:42,949 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 668 transitions. Word has length 102 [2020-07-21 15:43:42,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:42,951 INFO L479 AbstractCegarLoop]: Abstraction has 553 states and 668 transitions. [2020-07-21 15:43:42,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 668 transitions. [2020-07-21 15:43:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-21 15:43:42,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:42,957 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:43,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:43,172 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:43,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:43,173 INFO L82 PathProgramCache]: Analyzing trace with hash -577396182, now seen corresponding path program 1 times [2020-07-21 15:43:43,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:43,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555415237] [2020-07-21 15:43:43,174 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:43,482 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:43,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:43,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:43,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:43,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:43:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 15:43:43,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555415237] [2020-07-21 15:43:43,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:43:43,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 15:43:43,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551021419] [2020-07-21 15:43:43,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:43,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:43,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:43,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:43,999 INFO L87 Difference]: Start difference. First operand 553 states and 668 transitions. Second operand 10 states. [2020-07-21 15:43:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:44,913 INFO L93 Difference]: Finished difference Result 1183 states and 1445 transitions. [2020-07-21 15:43:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:43:44,914 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2020-07-21 15:43:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:44,915 INFO L225 Difference]: With dead ends: 1183 [2020-07-21 15:43:44,915 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:43:44,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 15:43:44,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:43:44,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:43:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:43:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:43:44,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-07-21 15:43:44,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:44,920 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:43:44,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:43:44,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:43:45,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:45,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:43:46,246 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 15:43:46,373 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-21 15:43:46,738 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 15:43:46,919 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-21 15:43:47,328 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-07-21 15:43:47,623 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 15:43:47,859 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 15:43:48,050 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 15:43:48,616 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 15:43:48,799 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 15:43:48,989 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 15:43:49,321 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 15:43:49,839 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 15:43:49,927 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-21 15:43:49,927 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 740) no Hoare annotation was computed. [2020-07-21 15:43:49,927 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-07-21 15:43:49,927 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 751) no Hoare annotation was computed. [2020-07-21 15:43:49,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 705 760) no Hoare annotation was computed. [2020-07-21 15:43:49,928 INFO L268 CegarLoopResult]: For program point L752(lines 729 753) no Hoare annotation was computed. [2020-07-21 15:43:49,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 705 760) no Hoare annotation was computed. [2020-07-21 15:43:49,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 705 760) no Hoare annotation was computed. [2020-07-21 15:43:49,928 INFO L268 CegarLoopResult]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-07-21 15:43:49,928 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 797) no Hoare annotation was computed. [2020-07-21 15:43:49,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 761 820) no Hoare annotation was computed. [2020-07-21 15:43:49,929 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-21 15:43:49,929 INFO L268 CegarLoopResult]: For program point L787-2(lines 787 812) no Hoare annotation was computed. [2020-07-21 15:43:49,929 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 761 820) no Hoare annotation was computed. [2020-07-21 15:43:49,929 INFO L268 CegarLoopResult]: For program point L813(lines 786 814) no Hoare annotation was computed. [2020-07-21 15:43:49,932 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 761 820) no Hoare annotation was computed. [2020-07-21 15:43:49,932 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-21 15:43:49,932 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-21 15:43:49,932 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2020-07-21 15:43:49,933 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2020-07-21 15:43:49,933 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2020-07-21 15:43:49,933 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2020-07-21 15:43:49,933 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2020-07-21 15:43:49,933 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-21 15:43:49,933 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:43:49,934 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 15:43:49,934 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:43:49,934 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-21 15:43:49,934 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-21 15:43:49,936 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-21 15:43:49,936 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-21 15:43:49,937 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 15:43:49,937 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-21 15:43:49,937 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-21 15:43:49,937 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-21 15:43:49,937 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:43:49,938 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-21 15:43:49,938 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-21 15:43:49,938 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-21 15:43:49,938 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-21 15:43:49,938 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-21 15:43:49,938 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,939 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2020-07-21 15:43:49,939 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,939 INFO L264 CegarLoopResult]: At program point L302-1(line 302) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,940 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2020-07-21 15:43:49,940 INFO L268 CegarLoopResult]: For program point L300(lines 300 307) no Hoare annotation was computed. [2020-07-21 15:43:49,940 INFO L268 CegarLoopResult]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2020-07-21 15:43:49,940 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-07-21 15:43:49,940 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,940 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,941 INFO L264 CegarLoopResult]: At program point L296-1(line 296) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,941 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-21 15:43:49,941 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-21 15:43:49,941 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 244 267) no Hoare annotation was computed. [2020-07-21 15:43:49,941 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 244 267) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 244 267) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-21 15:43:49,942 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-21 15:43:49,943 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-07-21 15:43:49,943 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-21 15:43:49,943 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-21 15:43:49,943 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-21 15:43:49,943 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-21 15:43:49,943 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2020-07-21 15:43:49,943 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2020-07-21 15:43:49,943 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-21 15:43:49,944 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-21 15:43:49,945 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-07-21 15:43:49,945 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 468 503) no Hoare annotation was computed. [2020-07-21 15:43:49,945 INFO L268 CegarLoopResult]: For program point L487(lines 487 495) no Hoare annotation was computed. [2020-07-21 15:43:49,945 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 468 503) no Hoare annotation was computed. [2020-07-21 15:43:49,945 INFO L268 CegarLoopResult]: For program point L487-2(lines 487 495) no Hoare annotation was computed. [2020-07-21 15:43:49,945 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 468 503) no Hoare annotation was computed. [2020-07-21 15:43:49,945 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2020-07-21 15:43:49,946 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2020-07-21 15:43:49,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 659 704) no Hoare annotation was computed. [2020-07-21 15:43:49,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 659 704) no Hoare annotation was computed. [2020-07-21 15:43:49,947 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 659 704) no Hoare annotation was computed. [2020-07-21 15:43:49,947 INFO L268 CegarLoopResult]: For program point L992(lines 992 999) no Hoare annotation was computed. [2020-07-21 15:43:49,947 INFO L268 CegarLoopResult]: For program point L986(lines 986 1006) no Hoare annotation was computed. [2020-07-21 15:43:49,948 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 972 1017) no Hoare annotation was computed. [2020-07-21 15:43:49,948 INFO L268 CegarLoopResult]: For program point L986-1(lines 986 1006) no Hoare annotation was computed. [2020-07-21 15:43:49,948 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 972 1017) no Hoare annotation was computed. [2020-07-21 15:43:49,948 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 972 1017) no Hoare annotation was computed. [2020-07-21 15:43:49,948 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,948 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-21 15:43:49,948 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,949 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-21 15:43:49,949 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2020-07-21 15:43:49,949 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2020-07-21 15:43:49,949 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2020-07-21 15:43:49,949 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-21 15:43:49,949 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-21 15:43:49,950 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 15:43:49,950 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2020-07-21 15:43:49,950 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2020-07-21 15:43:49,950 INFO L268 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-07-21 15:43:49,950 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2020-07-21 15:43:49,950 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2020-07-21 15:43:49,950 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2020-07-21 15:43:49,951 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,951 INFO L268 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-07-21 15:43:49,951 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,951 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-21 15:43:49,951 INFO L268 CegarLoopResult]: For program point L411(lines 411 428) no Hoare annotation was computed. [2020-07-21 15:43:49,951 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2020-07-21 15:43:49,951 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:49,952 INFO L264 CegarLoopResult]: At program point L426(line 426) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:49,952 INFO L268 CegarLoopResult]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2020-07-21 15:43:49,952 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,952 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2020-07-21 15:43:49,952 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2020-07-21 15:43:49,952 INFO L264 CegarLoopResult]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,953 INFO L264 CegarLoopResult]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:49,953 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-21 15:43:49,953 INFO L268 CegarLoopResult]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2020-07-21 15:43:49,953 INFO L264 CegarLoopResult]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:49,953 INFO L268 CegarLoopResult]: For program point L562(lines 561 608) no Hoare annotation was computed. [2020-07-21 15:43:49,953 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:49,953 INFO L268 CegarLoopResult]: For program point L591(lines 591 604) no Hoare annotation was computed. [2020-07-21 15:43:49,954 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:49,954 INFO L268 CegarLoopResult]: For program point L581(lines 581 587) no Hoare annotation was computed. [2020-07-21 15:43:49,954 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2020-07-21 15:43:49,954 INFO L264 CegarLoopResult]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:49,954 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:49,954 INFO L268 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-07-21 15:43:49,954 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2020-07-21 15:43:49,954 INFO L268 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 926 971) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 926 971) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point L946(lines 946 953) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 926 971) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point L940(lines 940 960) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2020-07-21 15:43:49,955 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 146 168) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 146 168) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 146 168) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 619 628) no Hoare annotation was computed. [2020-07-21 15:43:49,956 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-21 15:43:49,957 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-21 15:43:49,957 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 823 925) no Hoare annotation was computed. [2020-07-21 15:43:49,957 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-21 15:43:49,957 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-21 15:43:49,957 INFO L268 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point L911(lines 911 922) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 892) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 823 925) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point L893(lines 871 894) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point L852(lines 852 868) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 823 925) no Hoare annotation was computed. [2020-07-21 15:43:49,958 INFO L268 CegarLoopResult]: For program point L912(lines 912 919) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point L873(lines 872 892) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point L869(lines 869 910) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-21 15:43:49,959 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-21 15:43:49,960 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:49,960 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2020-07-21 15:43:49,960 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-21 15:43:49,961 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-21 15:43:49,961 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-21 15:43:49,961 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2020-07-21 15:43:49,961 INFO L271 CegarLoopResult]: At program point L511(line 511) the Hoare annotation is: true [2020-07-21 15:43:49,961 INFO L268 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-07-21 15:43:49,961 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-07-21 15:43:49,961 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2020-07-21 15:43:49,961 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2020-07-21 15:43:49,961 INFO L268 CegarLoopResult]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2020-07-21 15:43:49,962 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: true [2020-07-21 15:43:49,962 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2020-07-21 15:43:49,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:49,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:43:49,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:49,962 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2020-07-21 15:43:49,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2020-07-21 15:43:49,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2020-07-21 15:43:49,963 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse2)))) [2020-07-21 15:43:49,963 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 15:43:49,963 INFO L264 CegarLoopResult]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse10 (<= 1 ~pumpRunning~0))) (let ((.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse10)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse11)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse4 .cse5 .cse6 .cse7 .cse8) (let ((.cse9 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse9 .cse2 .cse3) .cse1 (and .cse9 .cse2 .cse10) .cse7 .cse8))))) [2020-07-21 15:43:49,963 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2020-07-21 15:43:49,963 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:49,964 INFO L268 CegarLoopResult]: For program point L327(lines 323 345) no Hoare annotation was computed. [2020-07-21 15:43:49,964 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2020-07-21 15:43:49,965 INFO L268 CegarLoopResult]: For program point L325(lines 323 345) no Hoare annotation was computed. [2020-07-21 15:43:49,965 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-21 15:43:49,965 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2020-07-21 15:43:49,965 INFO L271 CegarLoopResult]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2020-07-21 15:43:49,965 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2020-07-21 15:43:49,965 INFO L271 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: true [2020-07-21 15:43:49,965 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-21 15:43:49,965 INFO L271 CegarLoopResult]: At program point L238(lines 213 242) the Hoare annotation is: true [2020-07-21 15:43:49,966 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-21 15:43:49,966 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-21 15:43:49,966 INFO L271 CegarLoopResult]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2020-07-21 15:43:49,966 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:49,966 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2020-07-21 15:43:49,966 INFO L268 CegarLoopResult]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2020-07-21 15:43:49,966 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2020-07-21 15:43:49,966 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2020-07-21 15:43:49,967 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:49,967 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:43:49,967 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:43:49,967 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:49,967 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2020-07-21 15:43:49,967 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-21 15:43:49,967 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2020-07-21 15:43:49,968 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:49,968 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2020-07-21 15:43:49,968 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,968 INFO L268 CegarLoopResult]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2020-07-21 15:43:49,968 INFO L264 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,968 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,968 INFO L268 CegarLoopResult]: For program point L363(lines 363 371) no Hoare annotation was computed. [2020-07-21 15:43:49,968 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:49,969 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-07-21 15:43:49,969 INFO L268 CegarLoopResult]: For program point L359(lines 359 376) no Hoare annotation was computed. [2020-07-21 15:43:49,969 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2020-07-21 15:43:49,969 INFO L268 CegarLoopResult]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2020-07-21 15:43:49,969 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 15:43:49,969 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-07-21 15:43:49,969 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-07-21 15:43:49,969 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-07-21 15:43:49,970 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-07-21 15:43:49,970 INFO L268 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2020-07-21 15:43:49,970 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2020-07-21 15:43:49,970 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:49,970 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:49,970 INFO L268 CegarLoopResult]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2020-07-21 15:43:49,970 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,972 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,972 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-21 15:43:49,973 INFO L264 CegarLoopResult]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:49,973 INFO L268 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-07-21 15:43:50,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:43:50 BoogieIcfgContainer [2020-07-21 15:43:50,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:43:50,007 INFO L168 Benchmark]: Toolchain (without parser) took 16030.88 ms. Allocated memory was 147.3 MB in the beginning and 423.6 MB in the end (delta: 276.3 MB). Free memory was 104.1 MB in the beginning and 284.3 MB in the end (delta: -180.3 MB). Peak memory consumption was 248.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:50,008 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 147.3 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:43:50,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.50 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 103.7 MB in the beginning and 173.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:50,010 INFO L168 Benchmark]: Boogie Preprocessor took 108.85 ms. Allocated memory is still 205.0 MB. Free memory was 173.1 MB in the beginning and 168.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:50,018 INFO L168 Benchmark]: RCFGBuilder took 1103.32 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.5 MB in the beginning and 187.6 MB in the end (delta: -19.2 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:50,018 INFO L168 Benchmark]: TraceAbstraction took 14103.85 ms. Allocated memory was 234.9 MB in the beginning and 423.6 MB in the end (delta: 188.7 MB). Free memory was 187.6 MB in the beginning and 284.3 MB in the end (delta: -96.7 MB). Peak memory consumption was 244.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:50,025 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 147.3 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.50 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 103.7 MB in the beginning and 173.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.85 ms. Allocated memory is still 205.0 MB. Free memory was 173.1 MB in the beginning and 168.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1103.32 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.5 MB in the beginning and 187.6 MB in the end (delta: -19.2 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14103.85 ms. Allocated memory was 234.9 MB in the beginning and 423.6 MB in the end (delta: 188.7 MB). Free memory was 187.6 MB in the beginning and 284.3 MB in the end (delta: -96.7 MB). Peak memory consumption was 244.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 259 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1846 SDtfs, 1136 SDslu, 3307 SDs, 0 SdLazy, 2341 SolverSat, 442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1040 GetRequests, 979 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 199 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1145 PreInvPairs, 1229 NumberOfFragments, 1895 HoareAnnotationTreeSize, 1145 FomulaSimplifications, 1396 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 71 FomulaSimplificationsInter, 8099 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 843 NumberOfCodeBlocks, 794 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1013 ConstructedInterpolants, 0 QuantifiedInterpolants, 232215 SizeOfPredicates, 26 NumberOfNonLiveVariables, 6932 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 92/118 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...