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_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:06,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:06,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:06,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:06,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:06,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:06,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:06,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:06,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:06,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:06,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:06,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:06,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:06,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:06,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:06,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:06,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:06,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:06,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:06,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:06,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:06,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:06,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:06,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:06,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:06,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:06,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:06,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:06,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:06,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:06,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:06,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:06,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:06,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:06,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:06,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:06,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:06,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:06,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:06,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:06,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:06,944 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 [2019-10-13 23:16:06,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:06,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:06,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:06,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:06,973 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:06,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:06,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:06,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:06,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:06,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:06,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:06,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:06,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:06,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:06,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:06,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:06,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:06,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:06,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:06,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:06,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:06,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:06,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:06,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:06,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:06,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:06,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:06,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:06,981 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 [2019-10-13 23:16:07,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:07,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:07,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:07,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:07,280 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:07,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-13 23:16:07,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c219afc98/b277a4d527b4462f8ede8c8459dcd10a/FLAG8e770893c [2019-10-13 23:16:07,883 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:07,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-13 23:16:07,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c219afc98/b277a4d527b4462f8ede8c8459dcd10a/FLAG8e770893c [2019-10-13 23:16:08,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c219afc98/b277a4d527b4462f8ede8c8459dcd10a [2019-10-13 23:16:08,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:08,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:08,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:08,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:08,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:08,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152e91c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08, skipping insertion in model container [2019-10-13 23:16:08,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:08,302 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:08,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:08,761 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:08,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:08,924 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:08,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08 WrapperNode [2019-10-13 23:16:08,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:08,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:08,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:08,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:08,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:08,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (1/1) ... [2019-10-13 23:16:09,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:09,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:09,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:09,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:09,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (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 [2019-10-13 23:16:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:16:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 23:16:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 23:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 23:16:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:16:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:16:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 23:16:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:10,657 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:10,657 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:10,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:10 BoogieIcfgContainer [2019-10-13 23:16:10,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:10,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:10,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:10,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:10,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:08" (1/3) ... [2019-10-13 23:16:10,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afe309d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:10, skipping insertion in model container [2019-10-13 23:16:10,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:08" (2/3) ... [2019-10-13 23:16:10,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afe309d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:10, skipping insertion in model container [2019-10-13 23:16:10,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:10" (3/3) ... [2019-10-13 23:16:10,671 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-10-13 23:16:10,682 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:10,693 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:10,705 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:10,740 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:10,740 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:10,740 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:10,740 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:10,741 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:10,741 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:10,741 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:10,741 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-10-13 23:16:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:16:10,783 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:10,784 INFO L380 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] [2019-10-13 23:16:10,789 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:10,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1733841004, now seen corresponding path program 1 times [2019-10-13 23:16:10,807 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:10,808 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223881822] [2019-10-13 23:16:10,808 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:10,808 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:10,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:11,109 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223881822] [2019-10-13 23:16:11,109 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:11,110 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:11,110 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385724083] [2019-10-13 23:16:11,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:11,115 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:11,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:11,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:11,133 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-10-13 23:16:11,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:11,181 INFO L93 Difference]: Finished difference Result 207 states and 248 transitions. [2019-10-13 23:16:11,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:11,183 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-13 23:16:11,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:11,194 INFO L225 Difference]: With dead ends: 207 [2019-10-13 23:16:11,194 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 23:16:11,199 INFO L600 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 [2019-10-13 23:16:11,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 23:16:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 23:16:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 23:16:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2019-10-13 23:16:11,250 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 47 [2019-10-13 23:16:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:11,250 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2019-10-13 23:16:11,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2019-10-13 23:16:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 23:16:11,254 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:11,255 INFO L380 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] [2019-10-13 23:16:11,255 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:11,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:11,256 INFO L82 PathProgramCache]: Analyzing trace with hash 882738946, now seen corresponding path program 1 times [2019-10-13 23:16:11,256 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:11,256 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768562853] [2019-10-13 23:16:11,256 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:11,256 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:11,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:11,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768562853] [2019-10-13 23:16:11,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:11,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:11,394 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600292433] [2019-10-13 23:16:11,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:11,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:11,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:11,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:11,397 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 3 states. [2019-10-13 23:16:11,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:11,419 INFO L93 Difference]: Finished difference Result 165 states and 187 transitions. [2019-10-13 23:16:11,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:11,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-13 23:16:11,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:11,422 INFO L225 Difference]: With dead ends: 165 [2019-10-13 23:16:11,422 INFO L226 Difference]: Without dead ends: 96 [2019-10-13 23:16:11,424 INFO L600 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 [2019-10-13 23:16:11,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-13 23:16:11,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-13 23:16:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-13 23:16:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 107 transitions. [2019-10-13 23:16:11,448 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 107 transitions. Word has length 48 [2019-10-13 23:16:11,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:11,449 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 107 transitions. [2019-10-13 23:16:11,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2019-10-13 23:16:11,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:16:11,454 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:11,454 INFO L380 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] [2019-10-13 23:16:11,454 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:11,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:11,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1114597838, now seen corresponding path program 1 times [2019-10-13 23:16:11,455 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:11,455 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293578385] [2019-10-13 23:16:11,455 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:11,456 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:11,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:11,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293578385] [2019-10-13 23:16:11,695 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:11,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:11,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607367592] [2019-10-13 23:16:11,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:11,696 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:11,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:11,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:11,699 INFO L87 Difference]: Start difference. First operand 96 states and 107 transitions. Second operand 7 states. [2019-10-13 23:16:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:12,074 INFO L93 Difference]: Finished difference Result 170 states and 193 transitions. [2019-10-13 23:16:12,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:12,075 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-13 23:16:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:12,080 INFO L225 Difference]: With dead ends: 170 [2019-10-13 23:16:12,080 INFO L226 Difference]: Without dead ends: 96 [2019-10-13 23:16:12,081 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-13 23:16:12,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-13 23:16:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-13 23:16:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2019-10-13 23:16:12,111 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 50 [2019-10-13 23:16:12,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:12,112 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2019-10-13 23:16:12,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:12,112 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2019-10-13 23:16:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 23:16:12,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:12,117 INFO L380 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] [2019-10-13 23:16:12,117 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:12,118 INFO L82 PathProgramCache]: Analyzing trace with hash 721482305, now seen corresponding path program 1 times [2019-10-13 23:16:12,118 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:12,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021817137] [2019-10-13 23:16:12,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:12,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:12,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:12,203 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021817137] [2019-10-13 23:16:12,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:12,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:16:12,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722568217] [2019-10-13 23:16:12,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:16:12,204 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:12,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:16:12,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:16:12,205 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 5 states. [2019-10-13 23:16:12,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:12,696 INFO L93 Difference]: Finished difference Result 253 states and 293 transitions. [2019-10-13 23:16:12,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:12,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-13 23:16:12,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:12,699 INFO L225 Difference]: With dead ends: 253 [2019-10-13 23:16:12,703 INFO L226 Difference]: Without dead ends: 179 [2019-10-13 23:16:12,704 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-10-13 23:16:12,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 164. [2019-10-13 23:16:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-10-13 23:16:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2019-10-13 23:16:12,748 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 58 [2019-10-13 23:16:12,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:12,749 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2019-10-13 23:16:12,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:16:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2019-10-13 23:16:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-13 23:16:12,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:12,757 INFO L380 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] [2019-10-13 23:16:12,757 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:12,758 INFO L82 PathProgramCache]: Analyzing trace with hash 969049810, now seen corresponding path program 1 times [2019-10-13 23:16:12,758 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:12,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127692760] [2019-10-13 23:16:12,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:12,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:12,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:12,929 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127692760] [2019-10-13 23:16:12,929 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:12,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:16:12,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702891825] [2019-10-13 23:16:12,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:16:12,930 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:12,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:16:12,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:16:12,931 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 6 states. [2019-10-13 23:16:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:13,147 INFO L93 Difference]: Finished difference Result 406 states and 466 transitions. [2019-10-13 23:16:13,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:16:13,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-13 23:16:13,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:13,156 INFO L225 Difference]: With dead ends: 406 [2019-10-13 23:16:13,156 INFO L226 Difference]: Without dead ends: 264 [2019-10-13 23:16:13,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:16:13,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-13 23:16:13,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 254. [2019-10-13 23:16:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-10-13 23:16:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 285 transitions. [2019-10-13 23:16:13,193 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 285 transitions. Word has length 67 [2019-10-13 23:16:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:13,193 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 285 transitions. [2019-10-13 23:16:13,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:16:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 285 transitions. [2019-10-13 23:16:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 23:16:13,195 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:13,195 INFO L380 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] [2019-10-13 23:16:13,196 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:13,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:13,196 INFO L82 PathProgramCache]: Analyzing trace with hash -281134655, now seen corresponding path program 1 times [2019-10-13 23:16:13,196 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:13,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876955717] [2019-10-13 23:16:13,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:13,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:13,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:13,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876955717] [2019-10-13 23:16:13,515 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:13,515 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-13 23:16:13,515 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924166339] [2019-10-13 23:16:13,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-13 23:16:13,516 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:13,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-13 23:16:13,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-13 23:16:13,517 INFO L87 Difference]: Start difference. First operand 254 states and 285 transitions. Second operand 14 states. [2019-10-13 23:16:13,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:13,999 INFO L93 Difference]: Finished difference Result 503 states and 581 transitions. [2019-10-13 23:16:14,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:16:14,001 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 70 [2019-10-13 23:16:14,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:14,005 INFO L225 Difference]: With dead ends: 503 [2019-10-13 23:16:14,005 INFO L226 Difference]: Without dead ends: 361 [2019-10-13 23:16:14,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-13 23:16:14,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2019-10-13 23:16:14,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 341. [2019-10-13 23:16:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-10-13 23:16:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 388 transitions. [2019-10-13 23:16:14,054 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 388 transitions. Word has length 70 [2019-10-13 23:16:14,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:14,057 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 388 transitions. [2019-10-13 23:16:14,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-13 23:16:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 388 transitions. [2019-10-13 23:16:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 23:16:14,060 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:14,060 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:14,061 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:14,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:14,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1237609812, now seen corresponding path program 1 times [2019-10-13 23:16:14,061 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:14,061 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031122746] [2019-10-13 23:16:14,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:14,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:14,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:16:14,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031122746] [2019-10-13 23:16:14,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649979100] [2019-10-13 23:16:14,185 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 [2019-10-13 23:16:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:14,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-13 23:16:14,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:16:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:14,501 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:16:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:16:14,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:16:14,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-13 23:16:14,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520899396] [2019-10-13 23:16:14,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:16:14,979 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:14,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:16:14,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:16:14,980 INFO L87 Difference]: Start difference. First operand 341 states and 388 transitions. Second operand 8 states. [2019-10-13 23:16:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:15,402 INFO L93 Difference]: Finished difference Result 943 states and 1096 transitions. [2019-10-13 23:16:15,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:16:15,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2019-10-13 23:16:15,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:15,408 INFO L225 Difference]: With dead ends: 943 [2019-10-13 23:16:15,408 INFO L226 Difference]: Without dead ends: 624 [2019-10-13 23:16:15,409 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:16:15,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2019-10-13 23:16:15,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 609. [2019-10-13 23:16:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2019-10-13 23:16:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 695 transitions. [2019-10-13 23:16:15,464 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 695 transitions. Word has length 80 [2019-10-13 23:16:15,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:15,465 INFO L462 AbstractCegarLoop]: Abstraction has 609 states and 695 transitions. [2019-10-13 23:16:15,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:16:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 695 transitions. [2019-10-13 23:16:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 23:16:15,472 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:15,473 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:15,679 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:15,680 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:15,680 INFO L82 PathProgramCache]: Analyzing trace with hash -2036277785, now seen corresponding path program 1 times [2019-10-13 23:16:15,681 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:15,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440126466] [2019-10-13 23:16:15,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:15,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:15,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:16:15,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440126466] [2019-10-13 23:16:15,848 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:15,848 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 23:16:15,849 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880154113] [2019-10-13 23:16:15,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 23:16:15,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:15,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 23:16:15,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:16:15,851 INFO L87 Difference]: Start difference. First operand 609 states and 695 transitions. Second operand 12 states. [2019-10-13 23:16:17,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:17,215 INFO L93 Difference]: Finished difference Result 1226 states and 1431 transitions. [2019-10-13 23:16:17,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:16:17,216 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2019-10-13 23:16:17,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:17,222 INFO L225 Difference]: With dead ends: 1226 [2019-10-13 23:16:17,222 INFO L226 Difference]: Without dead ends: 907 [2019-10-13 23:16:17,224 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2019-10-13 23:16:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2019-10-13 23:16:17,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 875. [2019-10-13 23:16:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2019-10-13 23:16:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 996 transitions. [2019-10-13 23:16:17,289 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 996 transitions. Word has length 83 [2019-10-13 23:16:17,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:17,289 INFO L462 AbstractCegarLoop]: Abstraction has 875 states and 996 transitions. [2019-10-13 23:16:17,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 23:16:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 996 transitions. [2019-10-13 23:16:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 23:16:17,292 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:17,292 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:17,293 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:17,293 INFO L82 PathProgramCache]: Analyzing trace with hash 549778757, now seen corresponding path program 1 times [2019-10-13 23:16:17,294 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:17,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671223212] [2019-10-13 23:16:17,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:17,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:17,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:16:17,417 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671223212] [2019-10-13 23:16:17,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:17,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:17,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914882336] [2019-10-13 23:16:17,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:17,419 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:17,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:17,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:17,419 INFO L87 Difference]: Start difference. First operand 875 states and 996 transitions. Second operand 10 states. [2019-10-13 23:16:17,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:17,703 INFO L93 Difference]: Finished difference Result 1738 states and 1980 transitions. [2019-10-13 23:16:17,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 23:16:17,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-10-13 23:16:17,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:17,708 INFO L225 Difference]: With dead ends: 1738 [2019-10-13 23:16:17,708 INFO L226 Difference]: Without dead ends: 458 [2019-10-13 23:16:17,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:16:17,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-10-13 23:16:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 440. [2019-10-13 23:16:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-10-13 23:16:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 479 transitions. [2019-10-13 23:16:17,784 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 479 transitions. Word has length 83 [2019-10-13 23:16:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:17,784 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 479 transitions. [2019-10-13 23:16:17,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 479 transitions. [2019-10-13 23:16:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-13 23:16:17,787 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:17,787 INFO L380 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, 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] [2019-10-13 23:16:17,787 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:17,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:17,788 INFO L82 PathProgramCache]: Analyzing trace with hash 807738412, now seen corresponding path program 1 times [2019-10-13 23:16:17,788 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:17,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908424394] [2019-10-13 23:16:17,789 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:17,789 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:17,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:16:17,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908424394] [2019-10-13 23:16:17,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326698511] [2019-10-13 23:16:17,978 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 [2019-10-13 23:16:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:18,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-13 23:16:18,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:16:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-13 23:16:18,249 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:16:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 23:16:18,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:16:18,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15, 11] total 24 [2019-10-13 23:16:18,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493509876] [2019-10-13 23:16:18,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:16:18,712 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:18,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:16:18,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2019-10-13 23:16:18,713 INFO L87 Difference]: Start difference. First operand 440 states and 479 transitions. Second operand 11 states. [2019-10-13 23:16:19,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:19,305 INFO L93 Difference]: Finished difference Result 1024 states and 1154 transitions. [2019-10-13 23:16:19,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:16:19,306 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2019-10-13 23:16:19,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:19,307 INFO L225 Difference]: With dead ends: 1024 [2019-10-13 23:16:19,307 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:19,310 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2019-10-13 23:16:19,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:19,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:19,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2019-10-13 23:16:19,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:19,311 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:19,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:16:19,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:19,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:19,517 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:19,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:20,308 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 16 [2019-10-13 23:16:20,451 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-10-13 23:16:20,856 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2019-10-13 23:16:21,124 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2019-10-13 23:16:21,673 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-13 23:16:21,846 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 17 [2019-10-13 23:16:22,429 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2019-10-13 23:16:22,834 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2019-10-13 23:16:23,095 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point L651(lines 628 652) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-10-13 23:16:23,096 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2019-10-13 23:16:23,097 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2019-10-13 23:16:23,097 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2019-10-13 23:16:23,097 INFO L443 ceAbstractionStarter]: For program point L712(lines 685 713) no Hoare annotation was computed. [2019-10-13 23:16:23,097 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 23:16:23,097 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 23:16:23,097 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 23:16:23,097 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 23:16:23,098 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,098 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,098 INFO L439 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,098 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-10-13 23:16:23,098 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2019-10-13 23:16:23,098 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2019-10-13 23:16:23,099 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-13 23:16:23,099 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,099 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,099 INFO L439 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,099 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2019-10-13 23:16:23,099 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point L501(line 501) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 23:16:23,100 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-13 23:16:23,101 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2019-10-13 23:16:23,102 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2019-10-13 23:16:23,103 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2019-10-13 23:16:23,103 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2019-10-13 23:16:23,104 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:16:23,104 INFO L443 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2019-10-13 23:16:23,104 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-10-13 23:16:23,104 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2019-10-13 23:16:23,104 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:23,104 INFO L439 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:23,104 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2019-10-13 23:16:23,104 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:16:23,104 INFO L439 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (or (= 1 processEnvironment_~tmp~0) (not (= ~waterLevel~0 2))) (= ~pumpRunning~0 0)) .cse0))) [2019-10-13 23:16:23,104 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-10-13 23:16:23,104 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2019-10-13 23:16:23,105 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2019-10-13 23:16:23,105 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,105 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse2 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (= 1 ~methaneLevelCritical~0)) (.cse1 (and .cse2 (= ~pumpRunning~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) (and .cse0 .cse2 .cse3) (and .cse1 .cse4) (not (= ~systemActive~0 1)) (and .cse4 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-10-13 23:16:23,105 INFO L439 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (not (= ~systemActive~0 1)) (and .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-10-13 23:16:23,105 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-13 23:16:23,105 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-10-13 23:16:23,105 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2019-10-13 23:16:23,105 INFO L439 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:16:23,105 INFO L439 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse3 .cse1 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse2 (and (= 0 ~methaneLevelCritical~0) .cse1)) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse3) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-10-13 23:16:23,106 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 809) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L792(lines 770 793) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 767) no Hoare annotation was computed. [2019-10-13 23:16:23,107 INFO L443 ceAbstractionStarter]: For program point L772(lines 771 791) no Hoare annotation was computed. [2019-10-13 23:16:23,108 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-13 23:16:23,108 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-13 23:16:23,108 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-13 23:16:23,108 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:23,108 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-13 23:16:23,108 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2019-10-13 23:16:23,108 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:16:23,109 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-13 23:16:23,109 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2019-10-13 23:16:23,109 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-10-13 23:16:23,109 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:16:23,109 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2019-10-13 23:16:23,109 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2019-10-13 23:16:23,109 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-13 23:16:23,110 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-10-13 23:16:23,110 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-10-13 23:16:23,110 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-10-13 23:16:23,110 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= 1 ~pumpRunning~0))))) [2019-10-13 23:16:23,110 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-10-13 23:16:23,110 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:23,110 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:23,111 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2019-10-13 23:16:23,111 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-10-13 23:16:23,111 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:23,111 INFO L443 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2019-10-13 23:16:23,111 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 1) .cse1) (or .cse2 .cse1 (= ~pumpRunning~0 0)) (or .cse3 .cse4 .cse2 .cse1) (or .cse5 .cse0 .cse1 .cse6) (or .cse2 .cse5 .cse1 .cse6) (or .cse4 .cse0 .cse3 .cse1))) [2019-10-13 23:16:23,111 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2019-10-13 23:16:23,112 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or (not (= ~waterLevel~0 2)) (= |old(~waterLevel~0)| 2) .cse0 .cse1) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:23,112 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2019-10-13 23:16:23,112 INFO L439 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (or .cse3 (= |old(~waterLevel~0)| 2) .cse0 .cse2) (or .cse0 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1) (or .cse3 (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2019-10-13 23:16:23,112 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2019-10-13 23:16:23,112 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 23:16:23,112 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2019-10-13 23:16:23,113 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-13 23:16:23,113 INFO L446 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2019-10-13 23:16:23,113 INFO L446 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2019-10-13 23:16:23,113 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-13 23:16:23,113 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-13 23:16:23,113 INFO L446 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2019-10-13 23:16:23,113 INFO L439 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1) (or (= ~waterLevel~0 2) .cse0 .cse1) (or (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-13 23:16:23,113 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2019-10-13 23:16:23,114 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-13 23:16:23,114 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2019-10-13 23:16:23,114 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 2)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse4 .cse2) (or .cse1 .cse4 .cse2))) [2019-10-13 23:16:23,114 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-13 23:16:23,114 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-13 23:16:23,114 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2019-10-13 23:16:23,114 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-13 23:16:23,115 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-13 23:16:23,115 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-10-13 23:16:23,115 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-10-13 23:16:23,115 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-10-13 23:16:23,115 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: true [2019-10-13 23:16:23,115 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-10-13 23:16:23,115 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2019-10-13 23:16:23,115 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2019-10-13 23:16:23,116 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:23,116 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:23,116 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:23,116 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:23,116 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-10-13 23:16:23,116 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: true [2019-10-13 23:16:23,116 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-13 23:16:23,117 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2019-10-13 23:16:23,117 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2019-10-13 23:16:23,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:23 BoogieIcfgContainer [2019-10-13 23:16:23,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:23,135 INFO L168 Benchmark]: Toolchain (without parser) took 14914.92 ms. Allocated memory was 137.9 MB in the beginning and 427.8 MB in the end (delta: 289.9 MB). Free memory was 100.4 MB in the beginning and 167.8 MB in the end (delta: -67.4 MB). Peak memory consumption was 253.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:23,136 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:16:23,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.98 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 168.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:23,138 INFO L168 Benchmark]: Boogie Preprocessor took 81.37 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 163.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:23,139 INFO L168 Benchmark]: RCFGBuilder took 1652.63 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.9 MB in the beginning and 147.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:23,140 INFO L168 Benchmark]: TraceAbstraction took 12472.08 ms. Allocated memory was 234.4 MB in the beginning and 427.8 MB in the end (delta: 193.5 MB). Free memory was 147.4 MB in the beginning and 167.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:23,143 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 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.98 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 168.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.37 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 163.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1652.63 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.9 MB in the beginning and 147.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12472.08 ms. Allocated memory was 234.4 MB in the beginning and 427.8 MB in the end (delta: 193.5 MB). Free memory was 147.4 MB in the beginning and 167.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || ((1 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1)) || !(systemActive == 1)) || ((1 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 176 locations, 1 error locations. Result: SAFE, OverallTime: 12.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, HoareTripleCheckerStatistics: 1226 SDtfs, 1009 SDslu, 4257 SDs, 0 SdLazy, 2163 SolverSat, 588 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=875occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 110 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1642 PreInvPairs, 1759 NumberOfFragments, 1093 HoareAnnotationTreeSize, 1642 FomulaSimplifications, 3585 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 9352 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1101 ConstructedInterpolants, 0 QuantifiedInterpolants, 175262 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1569 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 108/121 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...