/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:30:42,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:30:42,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:30:42,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:30:42,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:30:42,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:30:42,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:30:42,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:30:42,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:30:42,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:30:42,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:30:42,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:30:42,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:30:42,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:30:42,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:30:42,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:30:42,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:30:42,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:30:42,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:30:42,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:30:42,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:30:42,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:30:42,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:30:42,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:30:42,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:30:42,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:30:42,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:30:42,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:30:42,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:30:42,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:30:42,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:30:42,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:30:42,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:30:42,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:30:42,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:30:42,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:30:42,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:30:42,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:30:42,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:30:42,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:30:42,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:30:42,925 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 [2019-11-07 04:30:42,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:30:42,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:30:42,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:30:42,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:30:42,944 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:30:42,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:30:42,945 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:30:42,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:30:42,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:30:42,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:30:42,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:30:42,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:30:42,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:30:42,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:30:42,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:30:42,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:30:42,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:30:42,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:30:42,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:30:42,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:30:42,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:30:42,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:30:42,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:30:42,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:30:42,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:30:42,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:30:42,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:30:42,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:30:42,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:30:43,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:30:43,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:30:43,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:30:43,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:30:43,245 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:30:43,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-11-07 04:30:43,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe287547/b08213c86050472bbbda73ad7dc61c80/FLAG8967d9d8a [2019-11-07 04:30:43,832 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:30:43,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-11-07 04:30:43,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe287547/b08213c86050472bbbda73ad7dc61c80/FLAG8967d9d8a [2019-11-07 04:30:44,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe287547/b08213c86050472bbbda73ad7dc61c80 [2019-11-07 04:30:44,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:30:44,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:30:44,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:44,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:30:44,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:30:44,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d6f478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44, skipping insertion in model container [2019-11-07 04:30:44,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,161 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:30:44,212 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:30:44,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:44,702 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:30:44,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:44,860 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:30:44,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44 WrapperNode [2019-11-07 04:30:44,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:44,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:30:44,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:30:44,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:30:44,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (1/1) ... [2019-11-07 04:30:44,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:30:44,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:30:44,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:30:44,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:30:44,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (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 [2019-11-07 04:30:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:30:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:30:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:30:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:30:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:30:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:30:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:30:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:30:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:30:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:30:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:30:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:30:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:30:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:30:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 04:30:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:30:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:30:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:30:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:30:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:30:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:30:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:30:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:30:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:30:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:30:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:30:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:30:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:30:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:30:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:30:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:30:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:30:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:30:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:30:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:30:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:30:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:30:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:30:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:30:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:30:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:30:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:30:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:30:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:30:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:30:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:30:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:30:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:30:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:30:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:30:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:30:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:30:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:30:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:30:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:30:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:30:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:30:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:30:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:30:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:30:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:30:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:30:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:30:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:30:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:30:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:30:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:30:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:30:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:30:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:30:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:30:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:30:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:30:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:30:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:30:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:30:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:30:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:30:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:30:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:30:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:30:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 04:30:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:30:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:30:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:30:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:30:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:30:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:30:46,732 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:30:46,733 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:30:46,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:46 BoogieIcfgContainer [2019-11-07 04:30:46,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:30:46,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:30:46,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:30:46,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:30:46,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:30:44" (1/3) ... [2019-11-07 04:30:46,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fc512e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:46, skipping insertion in model container [2019-11-07 04:30:46,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:44" (2/3) ... [2019-11-07 04:30:46,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fc512e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:46, skipping insertion in model container [2019-11-07 04:30:46,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:46" (3/3) ... [2019-11-07 04:30:46,743 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2019-11-07 04:30:46,754 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:30:46,764 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:30:46,775 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:30:46,810 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:30:46,810 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:30:46,811 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:30:46,811 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:30:46,811 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:30:46,812 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:30:46,812 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:30:46,812 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:30:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-11-07 04:30:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:30:46,859 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:46,860 INFO L410 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] [2019-11-07 04:30:46,862 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:46,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:46,869 INFO L82 PathProgramCache]: Analyzing trace with hash 642409013, now seen corresponding path program 1 times [2019-11-07 04:30:46,880 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:46,881 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411176384] [2019-11-07 04:30:46,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:47,345 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411176384] [2019-11-07 04:30:47,346 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:47,346 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:30:47,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121235172] [2019-11-07 04:30:47,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:30:47,355 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:47,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:30:47,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:30:47,380 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2019-11-07 04:30:47,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:47,457 INFO L93 Difference]: Finished difference Result 252 states and 307 transitions. [2019-11-07 04:30:47,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:30:47,459 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 04:30:47,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:47,479 INFO L225 Difference]: With dead ends: 252 [2019-11-07 04:30:47,479 INFO L226 Difference]: Without dead ends: 128 [2019-11-07 04:30:47,490 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:30:47,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-07 04:30:47,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-11-07 04:30:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-07 04:30:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2019-11-07 04:30:47,563 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 46 [2019-11-07 04:30:47,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:47,564 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2019-11-07 04:30:47,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:30:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2019-11-07 04:30:47,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:30:47,570 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:47,570 INFO L410 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] [2019-11-07 04:30:47,571 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:47,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:47,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1842614186, now seen corresponding path program 1 times [2019-11-07 04:30:47,571 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:47,572 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378243667] [2019-11-07 04:30:47,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:47,710 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378243667] [2019-11-07 04:30:47,710 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:47,710 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:30:47,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142772958] [2019-11-07 04:30:47,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:47,713 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:47,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:47,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:47,714 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2019-11-07 04:30:47,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:47,756 INFO L93 Difference]: Finished difference Result 206 states and 241 transitions. [2019-11-07 04:30:47,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:47,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 04:30:47,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:47,761 INFO L225 Difference]: With dead ends: 206 [2019-11-07 04:30:47,761 INFO L226 Difference]: Without dead ends: 120 [2019-11-07 04:30:47,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:47,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-07 04:30:47,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-11-07 04:30:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-07 04:30:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2019-11-07 04:30:47,793 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 47 [2019-11-07 04:30:47,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:47,793 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2019-11-07 04:30:47,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2019-11-07 04:30:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 04:30:47,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:47,804 INFO L410 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] [2019-11-07 04:30:47,804 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:47,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:47,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1559539525, now seen corresponding path program 1 times [2019-11-07 04:30:47,805 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:47,805 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349112343] [2019-11-07 04:30:47,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:47,996 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349112343] [2019-11-07 04:30:47,996 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:47,996 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:47,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725652064] [2019-11-07 04:30:47,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:47,997 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:47,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:47,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:47,998 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand 7 states. [2019-11-07 04:30:48,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:48,366 INFO L93 Difference]: Finished difference Result 215 states and 252 transitions. [2019-11-07 04:30:48,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:30:48,369 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-07 04:30:48,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:48,371 INFO L225 Difference]: With dead ends: 215 [2019-11-07 04:30:48,371 INFO L226 Difference]: Without dead ends: 120 [2019-11-07 04:30:48,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:30:48,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-07 04:30:48,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-11-07 04:30:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-07 04:30:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2019-11-07 04:30:48,385 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 50 [2019-11-07 04:30:48,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:48,385 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2019-11-07 04:30:48,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2019-11-07 04:30:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-07 04:30:48,387 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:48,388 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 04:30:48,388 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:48,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:48,388 INFO L82 PathProgramCache]: Analyzing trace with hash 650753450, now seen corresponding path program 1 times [2019-11-07 04:30:48,388 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:48,389 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915253742] [2019-11-07 04:30:48,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:30:48,476 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915253742] [2019-11-07 04:30:48,476 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:48,477 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:30:48,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159170563] [2019-11-07 04:30:48,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:30:48,478 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:48,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:30:48,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:30:48,478 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand 5 states. [2019-11-07 04:30:49,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:49,029 INFO L93 Difference]: Finished difference Result 313 states and 375 transitions. [2019-11-07 04:30:49,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:30:49,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-11-07 04:30:49,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:49,032 INFO L225 Difference]: With dead ends: 313 [2019-11-07 04:30:49,032 INFO L226 Difference]: Without dead ends: 218 [2019-11-07 04:30:49,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 04:30:49,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-11-07 04:30:49,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 201. [2019-11-07 04:30:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-11-07 04:30:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 224 transitions. [2019-11-07 04:30:49,067 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 224 transitions. Word has length 67 [2019-11-07 04:30:49,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:49,068 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 224 transitions. [2019-11-07 04:30:49,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:30:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 224 transitions. [2019-11-07 04:30:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 04:30:49,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:49,069 INFO L410 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:49,069 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:49,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:49,070 INFO L82 PathProgramCache]: Analyzing trace with hash 478031215, now seen corresponding path program 1 times [2019-11-07 04:30:49,070 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:49,070 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208294570] [2019-11-07 04:30:49,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:49,207 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208294570] [2019-11-07 04:30:49,207 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:49,207 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:30:49,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118650978] [2019-11-07 04:30:49,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:30:49,208 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:49,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:30:49,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:30:49,209 INFO L87 Difference]: Start difference. First operand 201 states and 224 transitions. Second operand 6 states. [2019-11-07 04:30:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:49,419 INFO L93 Difference]: Finished difference Result 536 states and 613 transitions. [2019-11-07 04:30:49,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:30:49,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-11-07 04:30:49,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:49,424 INFO L225 Difference]: With dead ends: 536 [2019-11-07 04:30:49,424 INFO L226 Difference]: Without dead ends: 360 [2019-11-07 04:30:49,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:30:49,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-11-07 04:30:49,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 350. [2019-11-07 04:30:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-11-07 04:30:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 388 transitions. [2019-11-07 04:30:49,463 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 388 transitions. Word has length 77 [2019-11-07 04:30:49,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:49,463 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 388 transitions. [2019-11-07 04:30:49,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:30:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 388 transitions. [2019-11-07 04:30:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-07 04:30:49,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:49,465 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:49,465 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:49,466 INFO L82 PathProgramCache]: Analyzing trace with hash -569872673, now seen corresponding path program 1 times [2019-11-07 04:30:49,466 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:49,466 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750620852] [2019-11-07 04:30:49,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:49,557 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750620852] [2019-11-07 04:30:49,558 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:49,558 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:49,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912062449] [2019-11-07 04:30:49,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:49,559 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:49,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:49,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:49,560 INFO L87 Difference]: Start difference. First operand 350 states and 388 transitions. Second operand 7 states. [2019-11-07 04:30:50,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:50,205 INFO L93 Difference]: Finished difference Result 552 states and 634 transitions. [2019-11-07 04:30:50,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:30:50,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2019-11-07 04:30:50,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:50,209 INFO L225 Difference]: With dead ends: 552 [2019-11-07 04:30:50,210 INFO L226 Difference]: Without dead ends: 376 [2019-11-07 04:30:50,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:30:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-11-07 04:30:50,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 349. [2019-11-07 04:30:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-07 04:30:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 385 transitions. [2019-11-07 04:30:50,236 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 385 transitions. Word has length 80 [2019-11-07 04:30:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:50,237 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 385 transitions. [2019-11-07 04:30:50,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 385 transitions. [2019-11-07 04:30:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-07 04:30:50,238 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:50,238 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:50,239 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:50,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:50,239 INFO L82 PathProgramCache]: Analyzing trace with hash 714102631, now seen corresponding path program 1 times [2019-11-07 04:30:50,239 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:50,240 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602606291] [2019-11-07 04:30:50,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:50,299 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602606291] [2019-11-07 04:30:50,299 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:50,299 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:30:50,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718421965] [2019-11-07 04:30:50,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:50,300 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:50,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:50,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:50,301 INFO L87 Difference]: Start difference. First operand 349 states and 385 transitions. Second operand 3 states. [2019-11-07 04:30:50,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:50,341 INFO L93 Difference]: Finished difference Result 500 states and 564 transitions. [2019-11-07 04:30:50,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:50,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-11-07 04:30:50,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:50,345 INFO L225 Difference]: With dead ends: 500 [2019-11-07 04:30:50,345 INFO L226 Difference]: Without dead ends: 497 [2019-11-07 04:30:50,346 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:50,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-11-07 04:30:50,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 484. [2019-11-07 04:30:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-11-07 04:30:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 544 transitions. [2019-11-07 04:30:50,377 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 544 transitions. Word has length 80 [2019-11-07 04:30:50,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:50,378 INFO L462 AbstractCegarLoop]: Abstraction has 484 states and 544 transitions. [2019-11-07 04:30:50,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 544 transitions. [2019-11-07 04:30:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-07 04:30:50,381 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:50,381 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:50,382 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:50,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:50,382 INFO L82 PathProgramCache]: Analyzing trace with hash 161903314, now seen corresponding path program 1 times [2019-11-07 04:30:50,382 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:50,383 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256455854] [2019-11-07 04:30:50,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:30:50,618 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256455854] [2019-11-07 04:30:50,618 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009743391] [2019-11-07 04:30:50,618 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:50,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 04:30:50,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:50,999 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-07 04:30:51,411 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:30:51,411 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14, 3] total 15 [2019-11-07 04:30:51,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883393273] [2019-11-07 04:30:51,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:51,413 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:51,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:51,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-07 04:30:51,413 INFO L87 Difference]: Start difference. First operand 484 states and 544 transitions. Second operand 3 states. [2019-11-07 04:30:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:51,488 INFO L93 Difference]: Finished difference Result 893 states and 1007 transitions. [2019-11-07 04:30:51,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:51,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-11-07 04:30:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:51,492 INFO L225 Difference]: With dead ends: 893 [2019-11-07 04:30:51,492 INFO L226 Difference]: Without dead ends: 434 [2019-11-07 04:30:51,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-07 04:30:51,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-11-07 04:30:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2019-11-07 04:30:51,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-11-07 04:30:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 477 transitions. [2019-11-07 04:30:51,525 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 477 transitions. Word has length 134 [2019-11-07 04:30:51,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:51,525 INFO L462 AbstractCegarLoop]: Abstraction has 434 states and 477 transitions. [2019-11-07 04:30:51,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:51,525 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 477 transitions. [2019-11-07 04:30:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-07 04:30:51,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:51,529 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:51,735 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:51,736 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:51,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:51,736 INFO L82 PathProgramCache]: Analyzing trace with hash 946422237, now seen corresponding path program 1 times [2019-11-07 04:30:51,737 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:51,737 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668041676] [2019-11-07 04:30:51,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:30:52,032 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668041676] [2019-11-07 04:30:52,032 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679567793] [2019-11-07 04:30:52,032 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:52,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-07 04:30:52,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:30:52,494 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 04:30:52,994 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:30:52,995 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-11-07 04:30:52,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486729635] [2019-11-07 04:30:52,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 04:30:52,996 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:52,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 04:30:52,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-11-07 04:30:52,997 INFO L87 Difference]: Start difference. First operand 434 states and 477 transitions. Second operand 11 states. [2019-11-07 04:30:53,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:53,783 INFO L93 Difference]: Finished difference Result 949 states and 1069 transitions. [2019-11-07 04:30:53,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 04:30:53,784 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2019-11-07 04:30:53,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:53,785 INFO L225 Difference]: With dead ends: 949 [2019-11-07 04:30:53,785 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:30:53,788 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-11-07 04:30:53,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:30:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:30:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:30:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:30:53,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2019-11-07 04:30:53,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:53,790 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:30:53,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 04:30:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:30:53,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:30:53,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:54,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:30:54,683 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-11-07 04:30:56,120 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point L287(lines 264 288) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 275) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point L348(lines 321 349) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-11-07 04:30:56,751 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-11-07 04:30:56,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2019-11-07 04:30:56,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2019-11-07 04:30:56,752 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-11-07 04:30:56,752 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2019-11-07 04:30:56,752 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2019-11-07 04:30:56,752 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2019-11-07 04:30:56,752 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2019-11-07 04:30:56,752 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,753 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,753 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,753 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,753 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-11-07 04:30:56,753 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,753 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 04:30:56,754 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-07 04:30:56,755 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-11-07 04:30:56,756 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2019-11-07 04:30:56,756 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2019-11-07 04:30:56,756 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2019-11-07 04:30:56,756 INFO L446 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2019-11-07 04:30:56,756 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2019-11-07 04:30:56,756 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-11-07 04:30:56,756 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2019-11-07 04:30:56,756 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-11-07 04:30:56,756 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,757 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-11-07 04:30:56,757 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2019-11-07 04:30:56,758 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2019-11-07 04:30:56,758 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-11-07 04:30:56,758 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-11-07 04:30:56,758 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-11-07 04:30:56,758 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2019-11-07 04:30:56,758 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2019-11-07 04:30:56,758 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2019-11-07 04:30:56,758 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 04:30:56,758 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-11-07 04:30:56,758 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-11-07 04:30:56,758 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2019-11-07 04:30:56,759 INFO L439 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,759 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 04:30:56,759 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-11-07 04:30:56,759 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 04:30:56,759 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-11-07 04:30:56,759 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-11-07 04:30:56,759 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2019-11-07 04:30:56,759 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2019-11-07 04:30:56,759 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,759 INFO L439 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:56,760 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2019-11-07 04:30:56,760 INFO L443 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2019-11-07 04:30:56,760 INFO L439 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:56,760 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2019-11-07 04:30:56,760 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:56,760 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2019-11-07 04:30:56,760 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2019-11-07 04:30:56,760 INFO L439 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:56,760 INFO L439 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:56,760 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-11-07 04:30:56,760 INFO L443 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2019-11-07 04:30:56,761 INFO L439 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:56,761 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2019-11-07 04:30:56,761 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2019-11-07 04:30:56,761 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2019-11-07 04:30:56,761 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2019-11-07 04:30:56,761 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2019-11-07 04:30:56,761 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-11-07 04:30:56,761 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,761 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-11-07 04:30:56,761 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse2 (= 0 ~methAndRunningLastTime~0) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 .cse1 .cse0))) [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2019-11-07 04:30:56,762 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L428(lines 406 429) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 403) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L408(lines 407 427) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 445) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2019-11-07 04:30:56,763 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2019-11-07 04:30:56,764 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:30:56,764 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:56,764 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2019-11-07 04:30:56,764 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-11-07 04:30:56,764 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2019-11-07 04:30:56,764 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2019-11-07 04:30:56,764 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-11-07 04:30:56,764 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-11-07 04:30:56,764 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2019-11-07 04:30:56,764 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2019-11-07 04:30:56,764 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1) .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse0 .cse2 .cse3))) [2019-11-07 04:30:56,764 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2019-11-07 04:30:56,765 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:56,765 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:30:56,765 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2019-11-07 04:30:56,765 INFO L443 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2019-11-07 04:30:56,765 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse2) .cse1 .cse3))) [2019-11-07 04:30:56,765 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2019-11-07 04:30:56,765 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2019-11-07 04:30:56,765 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse1) .cse2 .cse3))) [2019-11-07 04:30:56,765 INFO L439 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse5 (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse4))) [2019-11-07 04:30:56,765 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-11-07 04:30:56,766 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-07 04:30:56,766 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-11-07 04:30:56,766 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-07 04:30:56,766 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-11-07 04:30:56,766 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-11-07 04:30:56,766 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-11-07 04:30:56,766 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-11-07 04:30:56,766 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-11-07 04:30:56,766 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2019-11-07 04:30:56,766 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2019-11-07 04:30:56,767 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2019-11-07 04:30:56,767 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2019-11-07 04:30:56,767 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-11-07 04:30:56,767 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-11-07 04:30:56,767 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:56,767 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-07 04:30:56,767 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:30:56,767 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:30:56,767 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-11-07 04:30:56,767 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:56,768 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:56,768 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,768 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2019-11-07 04:30:56,768 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:56,768 INFO L443 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2019-11-07 04:30:56,768 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2019-11-07 04:30:56,768 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2019-11-07 04:30:56,769 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,769 INFO L443 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2019-11-07 04:30:56,769 INFO L439 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:56,769 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2019-11-07 04:30:56,769 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: true [2019-11-07 04:30:56,769 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2019-11-07 04:30:56,769 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2019-11-07 04:30:56,769 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-11-07 04:30:56,770 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,770 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2019-11-07 04:30:56,770 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,770 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,770 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2019-11-07 04:30:56,770 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:56,770 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-11-07 04:30:56,770 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-11-07 04:30:56,771 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:56,771 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2019-11-07 04:30:56,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:30:56 BoogieIcfgContainer [2019-11-07 04:30:56,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:30:56,787 INFO L168 Benchmark]: Toolchain (without parser) took 12641.34 ms. Allocated memory was 137.4 MB in the beginning and 393.2 MB in the end (delta: 255.9 MB). Free memory was 100.7 MB in the beginning and 240.8 MB in the end (delta: -140.1 MB). Peak memory consumption was 273.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:56,788 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 04:30:56,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.06 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 165.8 MB in the end (delta: -65.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:56,789 INFO L168 Benchmark]: Boogie Preprocessor took 80.76 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 161.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:56,790 INFO L168 Benchmark]: RCFGBuilder took 1793.05 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 161.8 MB in the beginning and 138.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:56,791 INFO L168 Benchmark]: TraceAbstraction took 10049.29 ms. Allocated memory was 233.3 MB in the beginning and 393.2 MB in the end (delta: 159.9 MB). Free memory was 138.6 MB in the beginning and 240.8 MB in the end (delta: -102.2 MB). Peak memory consumption was 215.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:56,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.06 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 165.8 MB in the end (delta: -65.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.76 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 161.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1793.05 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 161.8 MB in the beginning and 138.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10049.29 ms. Allocated memory was 233.3 MB in the beginning and 393.2 MB in the end (delta: 159.9 MB). Free memory was 138.6 MB in the beginning and 240.8 MB in the end (delta: -102.2 MB). Peak memory consumption was 215.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 200 locations, 1 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 1326 SDtfs, 791 SDslu, 2337 SDs, 0 SdLazy, 1369 SolverSat, 267 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 676 GetRequests, 594 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 67 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1090 PreInvPairs, 1143 NumberOfFragments, 1496 HoareAnnotationTreeSize, 1090 FomulaSimplifications, 1538 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 4300 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1007 NumberOfCodeBlocks, 1007 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1274 ConstructedInterpolants, 0 QuantifiedInterpolants, 241105 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1839 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 246/272 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...