/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:36:22,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:36:22,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:36:22,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:36:22,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:36:22,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:36:22,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:36:22,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:36:22,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:36:22,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:36:22,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:36:22,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:36:22,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:36:22,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:36:22,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:36:22,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:36:22,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:36:22,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:36:22,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:36:22,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:36:22,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:36:22,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:36:22,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:36:22,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:36:22,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:36:22,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:36:22,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:36:22,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:36:22,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:36:22,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:36:22,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:36:22,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:36:22,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:36:22,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:36:22,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:36:22,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:36:22,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:36:22,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:36:22,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:36:22,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:36:22,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:36:22,913 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 10:36:22,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:36:22,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:36:22,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:36:22,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:36:22,930 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:36:22,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:36:22,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:36:22,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:36:22,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:36:22,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:36:22,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:36:22,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:36:22,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:36:22,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:36:22,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:36:22,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:36:22,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:36:22,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:36:22,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:36:22,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:36:22,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:36:22,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:36:22,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:36:22,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:36:22,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:36:22,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:36:22,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:22,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:36:22,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:36:22,935 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 -> NOT_INCREMENTALLY [2020-07-21 10:36:23,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:36:23,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:36:23,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:36:23,248 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:36:23,250 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:36:23,252 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-21 10:36:23,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fbf8822d/2f1f04ef5d044491b213d1711bea4de9/FLAGcc00bffee [2020-07-21 10:36:23,841 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:36:23,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-21 10:36:23,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fbf8822d/2f1f04ef5d044491b213d1711bea4de9/FLAGcc00bffee [2020-07-21 10:36:24,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fbf8822d/2f1f04ef5d044491b213d1711bea4de9 [2020-07-21 10:36:24,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:36:24,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:36:24,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:24,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:36:24,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:36:24,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2059f81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24, skipping insertion in model container [2020-07-21 10:36:24,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:36:24,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:36:24,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:24,704 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:36:24,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:24,852 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:36:24,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24 WrapperNode [2020-07-21 10:36:24,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:24,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:36:24,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:36:24,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:36:24,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (1/1) ... [2020-07-21 10:36:24,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:36:24,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:36:24,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:36:24,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:36:24,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (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 10:36:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:36:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:36:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:36:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:36:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:36:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:36:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:36:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:36:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:36:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:36:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:36:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:36:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:36:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:36:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:36:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:36:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:36:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:36:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:36:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:36:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:36:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:36:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:36:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:36:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:36:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:36:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:36:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:36:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:36:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:36:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:36:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:36:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:36:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:36:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:36:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:36:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:36:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:36:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:36:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:36:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:36:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:36:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:36:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:36:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:36:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:36:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:36:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:36:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:36:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:36:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:36:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:36:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:36:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:36:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:36:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:36:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:36:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:36:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:36:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:36:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:36:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:36:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:36:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:36:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:36:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:36:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:36:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:36:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:36:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:36:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:36:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:36:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:36:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:36:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:36:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:36:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:36:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:36:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:36:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:36:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:36:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:36:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:36:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:36:26,094 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:36:26,094 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:36:26,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:26 BoogieIcfgContainer [2020-07-21 10:36:26,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:36:26,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:36:26,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:36:26,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:36:26,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:36:24" (1/3) ... [2020-07-21 10:36:26,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df610ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:26, skipping insertion in model container [2020-07-21 10:36:26,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:24" (2/3) ... [2020-07-21 10:36:26,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df610ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:26, skipping insertion in model container [2020-07-21 10:36:26,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:26" (3/3) ... [2020-07-21 10:36:26,108 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-07-21 10:36:26,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:36:26,127 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:36:26,142 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:36:26,168 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:36:26,168 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:36:26,168 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:36:26,169 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:36:26,169 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:36:26,169 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:36:26,169 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:36:26,170 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:36:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-21 10:36:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:36:26,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:26,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:26,206 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:26,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:26,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083297, now seen corresponding path program 1 times [2020-07-21 10:36:26,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:26,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044627045] [2020-07-21 10:36:26,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:26,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:36:26,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:26,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:26,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044627045] [2020-07-21 10:36:26,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:26,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:36:26,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447322309] [2020-07-21 10:36:26,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:36:26,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:26,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:36:26,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:26,556 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2020-07-21 10:36:26,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:26,601 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2020-07-21 10:36:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:36:26,602 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 10:36:26,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:26,616 INFO L225 Difference]: With dead ends: 270 [2020-07-21 10:36:26,616 INFO L226 Difference]: Without dead ends: 137 [2020-07-21 10:36:26,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 10:36:26,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-21 10:36:26,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-07-21 10:36:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-21 10:36:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2020-07-21 10:36:26,680 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2020-07-21 10:36:26,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:26,681 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2020-07-21 10:36:26,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:36:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2020-07-21 10:36:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:36:26,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:26,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:26,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:26,900 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:26,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:26,900 INFO L82 PathProgramCache]: Analyzing trace with hash 604742129, now seen corresponding path program 1 times [2020-07-21 10:36:26,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:26,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351431138] [2020-07-21 10:36:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:27,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:36:27,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:27,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:27,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351431138] [2020-07-21 10:36:27,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:27,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:27,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841172121] [2020-07-21 10:36:27,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:27,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:27,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:27,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:27,175 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2020-07-21 10:36:27,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:27,210 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2020-07-21 10:36:27,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:27,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:36:27,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:27,213 INFO L225 Difference]: With dead ends: 215 [2020-07-21 10:36:27,213 INFO L226 Difference]: Without dead ends: 128 [2020-07-21 10:36:27,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 10:36:27,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-21 10:36:27,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-21 10:36:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-21 10:36:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2020-07-21 10:36:27,236 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2020-07-21 10:36:27,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:27,238 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2020-07-21 10:36:27,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2020-07-21 10:36:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:36:27,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:27,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:27,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:27,457 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:27,458 INFO L82 PathProgramCache]: Analyzing trace with hash -185652476, now seen corresponding path program 1 times [2020-07-21 10:36:27,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:27,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070019880] [2020-07-21 10:36:27,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:27,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:36:27,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:27,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:27,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:27,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070019880] [2020-07-21 10:36:27,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:27,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:27,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77230840] [2020-07-21 10:36:27,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:27,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:27,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:27,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:27,669 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 3 states. [2020-07-21 10:36:27,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:27,689 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2020-07-21 10:36:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:27,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 10:36:27,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:27,691 INFO L225 Difference]: With dead ends: 228 [2020-07-21 10:36:27,692 INFO L226 Difference]: Without dead ends: 128 [2020-07-21 10:36:27,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 10:36:27,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-21 10:36:27,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-21 10:36:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-21 10:36:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2020-07-21 10:36:27,705 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2020-07-21 10:36:27,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:27,706 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2020-07-21 10:36:27,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2020-07-21 10:36:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:36:27,709 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:27,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:27,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:27,923 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:27,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:27,924 INFO L82 PathProgramCache]: Analyzing trace with hash -285076691, now seen corresponding path program 1 times [2020-07-21 10:36:27,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:27,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128594876] [2020-07-21 10:36:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:28,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:28,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:28,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:28,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128594876] [2020-07-21 10:36:28,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:28,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:28,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142806811] [2020-07-21 10:36:28,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:28,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:28,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:28,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:28,209 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 3 states. [2020-07-21 10:36:28,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:28,252 INFO L93 Difference]: Finished difference Result 228 states and 270 transitions. [2020-07-21 10:36:28,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:28,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-21 10:36:28,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:28,257 INFO L225 Difference]: With dead ends: 228 [2020-07-21 10:36:28,257 INFO L226 Difference]: Without dead ends: 225 [2020-07-21 10:36:28,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 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 10:36:28,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-21 10:36:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-07-21 10:36:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-21 10:36:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 267 transitions. [2020-07-21 10:36:28,283 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 267 transitions. Word has length 70 [2020-07-21 10:36:28,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:28,284 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 267 transitions. [2020-07-21 10:36:28,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 267 transitions. [2020-07-21 10:36:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-21 10:36:28,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:28,289 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-21 10:36:28,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:28,503 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:28,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:28,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1586063655, now seen corresponding path program 1 times [2020-07-21 10:36:28,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:28,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710378658] [2020-07-21 10:36:28,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:28,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:28,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 10:36:28,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:28,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710378658] [2020-07-21 10:36:28,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:28,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 10:36:28,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956571955] [2020-07-21 10:36:28,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:36:28,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:28,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:36:28,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:28,763 INFO L87 Difference]: Start difference. First operand 225 states and 267 transitions. Second operand 7 states. [2020-07-21 10:36:29,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:29,493 INFO L93 Difference]: Finished difference Result 540 states and 691 transitions. [2020-07-21 10:36:29,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:36:29,494 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-07-21 10:36:29,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:29,498 INFO L225 Difference]: With dead ends: 540 [2020-07-21 10:36:29,499 INFO L226 Difference]: Without dead ends: 343 [2020-07-21 10:36:29,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:36:29,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-21 10:36:29,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 311. [2020-07-21 10:36:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-07-21 10:36:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 376 transitions. [2020-07-21 10:36:29,534 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 376 transitions. Word has length 114 [2020-07-21 10:36:29,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:29,535 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 376 transitions. [2020-07-21 10:36:29,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:36:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 376 transitions. [2020-07-21 10:36:29,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-21 10:36:29,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:29,538 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-21 10:36:29,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:29,752 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:29,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:29,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1557431491, now seen corresponding path program 1 times [2020-07-21 10:36:29,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:29,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191948695] [2020-07-21 10:36:29,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:29,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:36:29,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 10:36:30,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:30,208 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:30,235 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-21 10:36:30,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191948695] [2020-07-21 10:36:30,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:30,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 10:36:30,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813025469] [2020-07-21 10:36:30,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:36:30,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:30,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:36:30,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:30,311 INFO L87 Difference]: Start difference. First operand 311 states and 376 transitions. Second operand 5 states. [2020-07-21 10:36:30,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:30,800 INFO L93 Difference]: Finished difference Result 842 states and 1117 transitions. [2020-07-21 10:36:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:30,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-07-21 10:36:30,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:30,808 INFO L225 Difference]: With dead ends: 842 [2020-07-21 10:36:30,808 INFO L226 Difference]: Without dead ends: 559 [2020-07-21 10:36:30,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 283 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:30,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-07-21 10:36:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 538. [2020-07-21 10:36:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-07-21 10:36:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 711 transitions. [2020-07-21 10:36:30,893 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 711 transitions. Word has length 148 [2020-07-21 10:36:30,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:30,896 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 711 transitions. [2020-07-21 10:36:30,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:36:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 711 transitions. [2020-07-21 10:36:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-21 10:36:30,902 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:30,902 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-21 10:36:31,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:31,118 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:31,118 INFO L82 PathProgramCache]: Analyzing trace with hash 183568124, now seen corresponding path program 1 times [2020-07-21 10:36:31,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:31,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539876565] [2020-07-21 10:36:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:31,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:31,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 10:36:31,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:31,598 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:31,631 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-21 10:36:31,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539876565] [2020-07-21 10:36:31,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:31,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2020-07-21 10:36:31,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192145803] [2020-07-21 10:36:31,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:36:31,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:31,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:36:31,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:36:31,742 INFO L87 Difference]: Start difference. First operand 538 states and 711 transitions. Second operand 7 states. [2020-07-21 10:36:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:32,267 INFO L93 Difference]: Finished difference Result 1389 states and 1988 transitions. [2020-07-21 10:36:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:32,270 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 148 [2020-07-21 10:36:32,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:32,278 INFO L225 Difference]: With dead ends: 1389 [2020-07-21 10:36:32,278 INFO L226 Difference]: Without dead ends: 879 [2020-07-21 10:36:32,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 282 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-21 10:36:32,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-07-21 10:36:32,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 864. [2020-07-21 10:36:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2020-07-21 10:36:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1158 transitions. [2020-07-21 10:36:32,361 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1158 transitions. Word has length 148 [2020-07-21 10:36:32,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:32,363 INFO L479 AbstractCegarLoop]: Abstraction has 864 states and 1158 transitions. [2020-07-21 10:36:32,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:36:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1158 transitions. [2020-07-21 10:36:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 10:36:32,380 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:32,380 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-21 10:36:32,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:32,587 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:32,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:32,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1927644895, now seen corresponding path program 1 times [2020-07-21 10:36:32,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:32,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588256034] [2020-07-21 10:36:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:32,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 10:36:32,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:32,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:32,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588256034] [2020-07-21 10:36:32,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:32,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:32,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526792540] [2020-07-21 10:36:32,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:32,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:32,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:32,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:32,825 INFO L87 Difference]: Start difference. First operand 864 states and 1158 transitions. Second operand 8 states. [2020-07-21 10:36:34,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:34,173 INFO L93 Difference]: Finished difference Result 2472 states and 3423 transitions. [2020-07-21 10:36:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 10:36:34,174 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-21 10:36:34,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:34,186 INFO L225 Difference]: With dead ends: 2472 [2020-07-21 10:36:34,187 INFO L226 Difference]: Without dead ends: 1636 [2020-07-21 10:36:34,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-21 10:36:34,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2020-07-21 10:36:34,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1327. [2020-07-21 10:36:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1327 states. [2020-07-21 10:36:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1725 transitions. [2020-07-21 10:36:34,334 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1725 transitions. Word has length 152 [2020-07-21 10:36:34,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:34,337 INFO L479 AbstractCegarLoop]: Abstraction has 1327 states and 1725 transitions. [2020-07-21 10:36:34,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1725 transitions. [2020-07-21 10:36:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 10:36:34,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:34,342 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-21 10:36:34,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:34,556 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:34,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:34,556 INFO L82 PathProgramCache]: Analyzing trace with hash 446312289, now seen corresponding path program 1 times [2020-07-21 10:36:34,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:34,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897022445] [2020-07-21 10:36:34,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:36:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:34,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 10:36:34,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:34,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:34,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897022445] [2020-07-21 10:36:34,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:34,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:34,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830436955] [2020-07-21 10:36:34,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:34,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:34,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:34,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:34,909 INFO L87 Difference]: Start difference. First operand 1327 states and 1725 transitions. Second operand 3 states. [2020-07-21 10:36:35,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:35,064 INFO L93 Difference]: Finished difference Result 2417 states and 3210 transitions. [2020-07-21 10:36:35,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:35,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-07-21 10:36:35,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:35,072 INFO L225 Difference]: With dead ends: 2417 [2020-07-21 10:36:35,072 INFO L226 Difference]: Without dead ends: 1118 [2020-07-21 10:36:35,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 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 10:36:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2020-07-21 10:36:35,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 954. [2020-07-21 10:36:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2020-07-21 10:36:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1141 transitions. [2020-07-21 10:36:35,139 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1141 transitions. Word has length 144 [2020-07-21 10:36:35,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:35,139 INFO L479 AbstractCegarLoop]: Abstraction has 954 states and 1141 transitions. [2020-07-21 10:36:35,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1141 transitions. [2020-07-21 10:36:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 10:36:35,143 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:35,143 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:36:35,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:35,354 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:35,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:35,355 INFO L82 PathProgramCache]: Analyzing trace with hash -898751756, now seen corresponding path program 1 times [2020-07-21 10:36:35,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:35,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023649997] [2020-07-21 10:36:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:35,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 10:36:35,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-21 10:36:35,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-21 10:36:35,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023649997] [2020-07-21 10:36:35,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:35,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-21 10:36:35,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346570478] [2020-07-21 10:36:35,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:35,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:35,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:35,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:35,782 INFO L87 Difference]: Start difference. First operand 954 states and 1141 transitions. Second operand 6 states. [2020-07-21 10:36:36,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:36,086 INFO L93 Difference]: Finished difference Result 2661 states and 3291 transitions. [2020-07-21 10:36:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:36,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-07-21 10:36:36,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:36,097 INFO L225 Difference]: With dead ends: 2661 [2020-07-21 10:36:36,098 INFO L226 Difference]: Without dead ends: 1735 [2020-07-21 10:36:36,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:36:36,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2020-07-21 10:36:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1526. [2020-07-21 10:36:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-07-21 10:36:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1803 transitions. [2020-07-21 10:36:36,238 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1803 transitions. Word has length 146 [2020-07-21 10:36:36,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:36,238 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1803 transitions. [2020-07-21 10:36:36,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1803 transitions. [2020-07-21 10:36:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 10:36:36,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:36,244 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:36:36,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:36,458 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:36,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:36,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1839600208, now seen corresponding path program 1 times [2020-07-21 10:36:36,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:36,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680779132] [2020-07-21 10:36:36,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:36,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:36:36,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 10:36:36,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:36,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680779132] [2020-07-21 10:36:36,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:36,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:36:36,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976271529] [2020-07-21 10:36:36,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:36,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:36,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:36,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:36:36,744 INFO L87 Difference]: Start difference. First operand 1526 states and 1803 transitions. Second operand 6 states. [2020-07-21 10:36:36,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:36,847 INFO L93 Difference]: Finished difference Result 3054 states and 3653 transitions. [2020-07-21 10:36:36,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:36,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2020-07-21 10:36:36,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:36,859 INFO L225 Difference]: With dead ends: 3054 [2020-07-21 10:36:36,860 INFO L226 Difference]: Without dead ends: 1556 [2020-07-21 10:36:36,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 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 10:36:36,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2020-07-21 10:36:36,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1556. [2020-07-21 10:36:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1556 states. [2020-07-21 10:36:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 1837 transitions. [2020-07-21 10:36:36,967 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 1837 transitions. Word has length 150 [2020-07-21 10:36:36,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:36,968 INFO L479 AbstractCegarLoop]: Abstraction has 1556 states and 1837 transitions. [2020-07-21 10:36:36,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1837 transitions. [2020-07-21 10:36:36,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 10:36:36,972 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:36,973 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:36:37,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:37,187 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:37,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:37,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1811099918, now seen corresponding path program 1 times [2020-07-21 10:36:37,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:37,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35199042] [2020-07-21 10:36:37,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:37,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:36:37,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 10:36:37,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:37,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35199042] [2020-07-21 10:36:37,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:37,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:36:37,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763695025] [2020-07-21 10:36:37,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:36:37,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:37,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:36:37,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:36:37,572 INFO L87 Difference]: Start difference. First operand 1556 states and 1837 transitions. Second operand 5 states. [2020-07-21 10:36:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:37,651 INFO L93 Difference]: Finished difference Result 2924 states and 3487 transitions. [2020-07-21 10:36:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:36:37,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-07-21 10:36:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:37,660 INFO L225 Difference]: With dead ends: 2924 [2020-07-21 10:36:37,660 INFO L226 Difference]: Without dead ends: 1396 [2020-07-21 10:36:37,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 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 10:36:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2020-07-21 10:36:37,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1396. [2020-07-21 10:36:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2020-07-21 10:36:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1629 transitions. [2020-07-21 10:36:37,766 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1629 transitions. Word has length 150 [2020-07-21 10:36:37,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:37,766 INFO L479 AbstractCegarLoop]: Abstraction has 1396 states and 1629 transitions. [2020-07-21 10:36:37,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:36:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1629 transitions. [2020-07-21 10:36:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 10:36:37,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:37,770 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:36:37,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:37,984 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:37,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:37,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1764550393, now seen corresponding path program 1 times [2020-07-21 10:36:37,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:37,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110114153] [2020-07-21 10:36:37,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:38,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:38,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:38,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:38,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110114153] [2020-07-21 10:36:38,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:38,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-21 10:36:38,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991881156] [2020-07-21 10:36:38,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 10:36:38,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:38,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 10:36:38,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:36:38,257 INFO L87 Difference]: Start difference. First operand 1396 states and 1629 transitions. Second operand 9 states. [2020-07-21 10:36:39,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:39,675 INFO L93 Difference]: Finished difference Result 2988 states and 3653 transitions. [2020-07-21 10:36:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 10:36:39,676 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2020-07-21 10:36:39,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:39,687 INFO L225 Difference]: With dead ends: 2988 [2020-07-21 10:36:39,687 INFO L226 Difference]: Without dead ends: 1620 [2020-07-21 10:36:39,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-07-21 10:36:39,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2020-07-21 10:36:39,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1396. [2020-07-21 10:36:39,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2020-07-21 10:36:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1626 transitions. [2020-07-21 10:36:39,787 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1626 transitions. Word has length 154 [2020-07-21 10:36:39,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:39,787 INFO L479 AbstractCegarLoop]: Abstraction has 1396 states and 1626 transitions. [2020-07-21 10:36:39,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 10:36:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1626 transitions. [2020-07-21 10:36:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 10:36:39,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:39,791 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:36:40,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:40,005 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:40,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:40,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1836936951, now seen corresponding path program 1 times [2020-07-21 10:36:40,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:40,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827227462] [2020-07-21 10:36:40,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:40,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 10:36:40,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 10:36:40,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:40,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827227462] [2020-07-21 10:36:40,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:40,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:36:40,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920354716] [2020-07-21 10:36:40,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:40,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:40,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:40,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:36:40,226 INFO L87 Difference]: Start difference. First operand 1396 states and 1626 transitions. Second operand 6 states. [2020-07-21 10:36:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:40,278 INFO L93 Difference]: Finished difference Result 1903 states and 2189 transitions. [2020-07-21 10:36:40,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:40,278 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-07-21 10:36:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:40,279 INFO L225 Difference]: With dead ends: 1903 [2020-07-21 10:36:40,279 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:36:40,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 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 10:36:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:36:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:36:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:36:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:36:40,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2020-07-21 10:36:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:40,285 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:36:40,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:36:40,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:36:40,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:40,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:36:42,619 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2020-07-21 10:36:42,905 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2020-07-21 10:36:43,123 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-07-21 10:36:43,260 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-07-21 10:36:43,509 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 33 [2020-07-21 10:36:43,890 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2020-07-21 10:36:44,260 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2020-07-21 10:36:44,488 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2020-07-21 10:36:44,676 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-07-21 10:36:44,939 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 34 [2020-07-21 10:36:45,067 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2020-07-21 10:36:45,497 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2020-07-21 10:36:45,648 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-21 10:36:45,809 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2020-07-21 10:36:46,051 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-07-21 10:36:46,176 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 20 [2020-07-21 10:36:46,407 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2020-07-21 10:36:46,849 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 41 [2020-07-21 10:36:47,136 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2020-07-21 10:36:47,467 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-21 10:36:47,944 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2020-07-21 10:36:48,048 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-07-21 10:36:48,161 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-07-21 10:36:48,270 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2020-07-21 10:36:48,275 INFO L268 CegarLoopResult]: For program point L705(lines 682 706) no Hoare annotation was computed. [2020-07-21 10:36:48,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 658 713) no Hoare annotation was computed. [2020-07-21 10:36:48,276 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-07-21 10:36:48,276 INFO L268 CegarLoopResult]: For program point L689-1(lines 689 693) no Hoare annotation was computed. [2020-07-21 10:36:48,276 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-21 10:36:48,276 INFO L268 CegarLoopResult]: For program point L683-2(lines 683 704) no Hoare annotation was computed. [2020-07-21 10:36:48,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 658 713) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 658 713) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point L766(lines 739 767) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 714 773) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 714 773) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-21 10:36:48,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 714 773) no Hoare annotation was computed. [2020-07-21 10:36:48,278 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 750) no Hoare annotation was computed. [2020-07-21 10:36:48,278 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-21 10:36:48,278 INFO L268 CegarLoopResult]: For program point L740-2(lines 740 765) no Hoare annotation was computed. [2020-07-21 10:36:48,278 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 10:36:48,278 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 10:36:48,278 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:36:48,278 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 10:36:48,279 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:36:48,279 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,279 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2020-07-21 10:36:48,279 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2020-07-21 10:36:48,279 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,280 INFO L264 CegarLoopResult]: At program point L169-1(line 169) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,280 INFO L268 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2020-07-21 10:36:48,280 INFO L268 CegarLoopResult]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2020-07-21 10:36:48,280 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-21 10:36:48,280 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,281 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,281 INFO L264 CegarLoopResult]: At program point L163-1(line 163) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,281 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-21 10:36:48,281 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 10:36:48,281 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-21 10:36:48,282 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 10:36:48,283 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-21 10:36:48,283 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-21 10:36:48,283 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:36:48,283 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-21 10:36:48,283 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 10:36:48,283 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2020-07-21 10:36:48,283 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2020-07-21 10:36:48,284 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2020-07-21 10:36:48,284 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2020-07-21 10:36:48,284 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-21 10:36:48,284 INFO L271 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: true [2020-07-21 10:36:48,284 INFO L268 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-07-21 10:36:48,284 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2020-07-21 10:36:48,284 INFO L268 CegarLoopResult]: For program point L518-1(line 518) no Hoare annotation was computed. [2020-07-21 10:36:48,284 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2020-07-21 10:36:48,284 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 456 491) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 456 491) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 456 491) no Hoare annotation was computed. [2020-07-21 10:36:48,285 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 612 657) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 612 657) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 612 657) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 925 970) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point L945(lines 945 952) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point L939(lines 939 959) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 925 970) no Hoare annotation was computed. [2020-07-21 10:36:48,286 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 959) no Hoare annotation was computed. [2020-07-21 10:36:48,287 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 925 970) no Hoare annotation was computed. [2020-07-21 10:36:48,287 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,287 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2020-07-21 10:36:48,287 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,287 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2020-07-21 10:36:48,287 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 436 446) no Hoare annotation was computed. [2020-07-21 10:36:48,287 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 436 446) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 436 446) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point L311(lines 311 317) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2020-07-21 10:36:48,288 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2020-07-21 10:36:48,288 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2020-07-21 10:36:48,289 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse4 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse5) (or .cse0 .cse1 .cse4 .cse2 .cse3 .cse5))) [2020-07-21 10:36:48,289 INFO L268 CegarLoopResult]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2020-07-21 10:36:48,289 INFO L264 CegarLoopResult]: At program point L409(line 409) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse3 .cse1 .cse0 .cse4 .cse2) (or .cse3 .cse1 (not (< ~waterLevel~0 3)) .cse4 (not (<= 2 ~waterLevel~0))))) [2020-07-21 10:36:48,289 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2020-07-21 10:36:48,289 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse3 (not (<= 2 ~waterLevel~0))) (or .cse2 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~3))))) [2020-07-21 10:36:48,290 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (< ~waterLevel~0 3)) .cse4 .cse5 (not (<= 2 ~waterLevel~0))) (or .cse3 .cse1 .cse0 .cse4 .cse5 .cse2))) [2020-07-21 10:36:48,290 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-07-21 10:36:48,290 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 .cse0 .cse4 .cse2) (or .cse3 .cse1 (not (< ~waterLevel~0 3)) .cse4 (not (<= 2 ~waterLevel~0))))) [2020-07-21 10:36:48,290 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-07-21 10:36:48,290 INFO L268 CegarLoopResult]: For program point L399(lines 399 416) no Hoare annotation was computed. [2020-07-21 10:36:48,290 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2020-07-21 10:36:48,290 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2020-07-21 10:36:48,291 INFO L264 CegarLoopResult]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,291 INFO L268 CegarLoopResult]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2020-07-21 10:36:48,291 INFO L264 CegarLoopResult]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:48,291 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-07-21 10:36:48,291 INFO L264 CegarLoopResult]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 3)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~pumpRunning~0)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= ~waterLevel~0 1) .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:48,292 INFO L268 CegarLoopResult]: For program point L550(lines 549 596) no Hoare annotation was computed. [2020-07-21 10:36:48,292 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 3)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~pumpRunning~0)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= ~waterLevel~0 1) .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:48,292 INFO L268 CegarLoopResult]: For program point L579(lines 579 592) no Hoare annotation was computed. [2020-07-21 10:36:48,292 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 3)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~pumpRunning~0)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= ~waterLevel~0 1) .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:48,292 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-07-21 10:36:48,292 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L264 CegarLoopResult]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (< 1 ~waterLevel~0) .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:48,293 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (< 1 ~waterLevel~0) .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point L893(lines 893 913) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 879 924) no Hoare annotation was computed. [2020-07-21 10:36:48,293 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 879 924) no Hoare annotation was computed. [2020-07-21 10:36:48,294 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 879 924) no Hoare annotation was computed. [2020-07-21 10:36:48,294 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-21 10:36:48,294 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2020-07-21 10:36:48,294 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2020-07-21 10:36:48,294 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2020-07-21 10:36:48,294 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (< ~waterLevel~0 3)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 10:36:48,294 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< ~waterLevel~0 3)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:36:48,294 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-21 10:36:48,294 INFO L268 CegarLoopResult]: For program point L205(lines 205 215) no Hoare annotation was computed. [2020-07-21 10:36:48,294 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse4 .cse5) (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-21 10:36:48,294 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (< ~waterLevel~0 3)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 275 297) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 275 297) no Hoare annotation was computed. [2020-07-21 10:36:48,295 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 275 297) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 776 878) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point L826(lines 825 845) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point L822(lines 822 863) no Hoare annotation was computed. [2020-07-21 10:36:48,296 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 776 878) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point L800(lines 800 804) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point L864(lines 864 875) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point L825-2(lines 825 845) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 776 878) no Hoare annotation was computed. [2020-07-21 10:36:48,297 INFO L268 CegarLoopResult]: For program point L846(lines 824 847) no Hoare annotation was computed. [2020-07-21 10:36:48,298 INFO L268 CegarLoopResult]: For program point L805(lines 805 821) no Hoare annotation was computed. [2020-07-21 10:36:48,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:48,298 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< 2 |old(~waterLevel~0)|) (< ~waterLevel~0 3)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 10:36:48,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:48,298 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2020-07-21 10:36:48,298 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2020-07-21 10:36:48,298 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 298 306) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 298 306) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 298 306) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L271 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: true [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-07-21 10:36:48,299 INFO L268 CegarLoopResult]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2020-07-21 10:36:48,300 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2 .cse4 (not (<= ~waterLevel~0 1)) .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:36:48,300 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2020-07-21 10:36:48,300 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:48,300 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:36:48,300 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:48,300 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse8 (= 0 ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0) .cse6) .cse2 .cse4 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse7 (and .cse1 .cse8 .cse6 .cse9) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse3 .cse7 (and .cse1 .cse8 (< ~waterLevel~0 3) .cse9) .cse4 .cse5))) [2020-07-21 10:36:48,300 INFO L264 CegarLoopResult]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse8 (<= ~waterLevel~0 1)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (< |old(~waterLevel~0)| 3)))) (and (let ((.cse3 (< ~waterLevel~0 3))) (or .cse0 (and .cse1 .cse2 .cse3) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~pumpRunning~0) .cse2 .cse3) .cse4 .cse5 .cse6 .cse7)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse8 .cse2) .cse4 .cse5 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1 .cse8) .cse6 .cse7))) [2020-07-21 10:36:48,301 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse5 (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-21 10:36:48,301 INFO L268 CegarLoopResult]: For program point L341(lines 340 359) no Hoare annotation was computed. [2020-07-21 10:36:48,301 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= 0 ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 3)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse4 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse8 (and .cse6 .cse9 (<= ~waterLevel~0 1) .cse3) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse7 .cse8 (and .cse6 .cse9 .cse2 .cse3) .cse4 .cse5))) [2020-07-21 10:36:48,301 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2020-07-21 10:36:48,301 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2020-07-21 10:36:48,301 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-07-21 10:36:48,301 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-07-21 10:36:48,301 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-07-21 10:36:48,301 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-07-21 10:36:48,301 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 10:36:48,301 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-07-21 10:36:48,302 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-07-21 10:36:48,302 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-07-21 10:36:48,302 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-07-21 10:36:48,302 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-21 10:36:48,302 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2020-07-21 10:36:48,302 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-21 10:36:48,302 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-21 10:36:48,302 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (not (< |old(~waterLevel~0)| 3))) [2020-07-21 10:36:48,302 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2020-07-21 10:36:48,303 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2020-07-21 10:36:48,303 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-07-21 10:36:48,303 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-07-21 10:36:48,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:48,303 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:36:48,303 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:36:48,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:48,303 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2020-07-21 10:36:48,304 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (< ~waterLevel~0 3))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (<= 1 ~systemActive~0)) (.cse2 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (<= 1 ~pumpRunning~0)) .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse3 .cse2))) [2020-07-21 10:36:48,304 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2020-07-21 10:36:48,304 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2 .cse3 (not (<= ~waterLevel~0 1))))) [2020-07-21 10:36:48,304 INFO L264 CegarLoopResult]: At program point L383(line 383) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (< ~waterLevel~0 3)) .cse3 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse2 .cse0 (not (<= 1 ~waterLevel~0)) .cse3 (not (<= ~waterLevel~0 1))))) [2020-07-21 10:36:48,304 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2020-07-21 10:36:48,304 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2 (not (<= ~waterLevel~0 1))))) [2020-07-21 10:36:48,304 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-21 10:36:48,305 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2 .cse3 (not (<= ~waterLevel~0 1))))) [2020-07-21 10:36:48,305 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-07-21 10:36:48,305 INFO L268 CegarLoopResult]: For program point L373(lines 373 390) no Hoare annotation was computed. [2020-07-21 10:36:48,305 INFO L264 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-21 10:36:48,305 INFO L268 CegarLoopResult]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2020-07-21 10:36:48,305 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2020-07-21 10:36:48,305 INFO L268 CegarLoopResult]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2020-07-21 10:36:48,306 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (< ~waterLevel~0 3))) (.cse5 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3 .cse5) (or .cse1 (not (<= 1 ~pumpRunning~0)) .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse5))) [2020-07-21 10:36:48,306 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2020-07-21 10:36:48,306 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-07-21 10:36:48,306 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2020-07-21 10:36:48,306 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2020-07-21 10:36:48,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:36:48 BoogieIcfgContainer [2020-07-21 10:36:48,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:36:48,326 INFO L168 Benchmark]: Toolchain (without parser) took 24172.95 ms. Allocated memory was 144.7 MB in the beginning and 584.6 MB in the end (delta: 439.9 MB). Free memory was 102.9 MB in the beginning and 452.6 MB in the end (delta: -349.8 MB). Peak memory consumption was 417.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:48,326 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 144.7 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:36:48,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.74 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:48,328 INFO L168 Benchmark]: Boogie Preprocessor took 88.43 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:48,328 INFO L168 Benchmark]: RCFGBuilder took 1157.95 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 193.9 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:48,329 INFO L168 Benchmark]: TraceAbstraction took 22222.60 ms. Allocated memory was 235.9 MB in the beginning and 584.6 MB in the end (delta: 348.7 MB). Free memory was 193.9 MB in the beginning and 452.6 MB in the end (delta: -258.8 MB). Peak memory consumption was 417.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:48,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 144.7 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.74 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.43 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.95 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 193.9 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22222.60 ms. Allocated memory was 235.9 MB in the beginning and 584.6 MB in the end (delta: 348.7 MB). Free memory was 193.9 MB in the beginning and 452.6 MB in the end (delta: -258.8 MB). Peak memory consumption was 417.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || (((((0 == methAndRunningLastTime && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) && waterLevel < 3)) || ((((1 < waterLevel && splverifierCounter <= 0) && 1 <= systemActive) && waterLevel < 3) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2352 SDtfs, 2193 SDslu, 3352 SDs, 0 SdLazy, 2974 SolverSat, 950 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2154 GetRequests, 2066 SyntacticMatches, 14 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1556occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 974 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4312 PreInvPairs, 4373 NumberOfFragments, 2324 HoareAnnotationTreeSize, 4312 FomulaSimplifications, 15214 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 19290 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1690 NumberOfCodeBlocks, 1690 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2115 ConstructedInterpolants, 0 QuantifiedInterpolants, 502441 SizeOfPredicates, 39 NumberOfNonLiveVariables, 11894 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 584/590 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...