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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:06,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:07,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:07,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:07,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:07,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:07,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:07,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:07,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:07,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:07,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:07,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:07,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:07,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:07,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:07,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:07,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:07,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:07,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:07,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:07,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:07,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:07,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:07,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:07,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:07,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:07,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:07,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:07,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:07,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:07,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:07,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:07,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:07,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:07,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:07,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:07,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:07,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:07,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:07,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:07,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:07,048 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 19:39:07,062 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:07,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:07,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:07,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:07,064 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:07,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:07,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:07,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:07,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:07,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:07,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:07,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:07,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:07,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:07,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:07,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:07,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:07,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:07,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:07,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:07,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:07,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:07,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:07,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:07,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:07,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:07,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:07,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:07,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:07,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:07,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:07,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:07,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:07,413 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:07,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-10-13 19:39:07,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e75c9c7b/65aa950eabef4ffdbfdb172c5acd607d/FLAG8e1bf8350 [2019-10-13 19:39:08,053 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:08,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-10-13 19:39:08,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e75c9c7b/65aa950eabef4ffdbfdb172c5acd607d/FLAG8e1bf8350 [2019-10-13 19:39:08,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e75c9c7b/65aa950eabef4ffdbfdb172c5acd607d [2019-10-13 19:39:08,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:08,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:08,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:08,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:08,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:08,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:08" (1/1) ... [2019-10-13 19:39:08,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bda3564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:08, skipping insertion in model container [2019-10-13 19:39:08,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:08" (1/1) ... [2019-10-13 19:39:08,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:08,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:08,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:08,865 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:08,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:09,008 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:09,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09 WrapperNode [2019-10-13 19:39:09,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:09,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:09,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:09,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:09,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (1/1) ... [2019-10-13 19:39:09,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (1/1) ... [2019-10-13 19:39:09,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (1/1) ... [2019-10-13 19:39:09,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (1/1) ... [2019-10-13 19:39:09,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (1/1) ... [2019-10-13 19:39:09,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (1/1) ... [2019-10-13 19:39:09,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (1/1) ... [2019-10-13 19:39:09,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:09,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:09,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:09,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:09,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (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 19:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 19:39:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 19:39:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:10,374 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:10,374 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:10,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:10 BoogieIcfgContainer [2019-10-13 19:39:10,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:10,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:10,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:10,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:10,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:08" (1/3) ... [2019-10-13 19:39:10,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8a38ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:10, skipping insertion in model container [2019-10-13 19:39:10,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:09" (2/3) ... [2019-10-13 19:39:10,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8a38ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:10, skipping insertion in model container [2019-10-13 19:39:10,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:10" (3/3) ... [2019-10-13 19:39:10,384 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2019-10-13 19:39:10,394 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:10,403 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:10,414 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:10,438 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:10,438 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:10,439 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:10,439 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:10,439 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:10,439 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:10,439 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:10,439 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2019-10-13 19:39:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:10,473 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:10,474 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] [2019-10-13 19:39:10,476 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:10,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:10,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1715391972, now seen corresponding path program 1 times [2019-10-13 19:39:10,491 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:10,492 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817542155] [2019-10-13 19:39:10,492 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:10,492 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:10,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,130 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,232 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 19:39:11,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817542155] [2019-10-13 19:39:11,233 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:11,234 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:11,234 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176064310] [2019-10-13 19:39:11,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:11,239 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:11,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:11,257 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 3 states. [2019-10-13 19:39:12,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:12,447 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2019-10-13 19:39:12,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:12,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:12,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:12,464 INFO L225 Difference]: With dead ends: 285 [2019-10-13 19:39:12,464 INFO L226 Difference]: Without dead ends: 154 [2019-10-13 19:39:12,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:12,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-13 19:39:12,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2019-10-13 19:39:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-13 19:39:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-10-13 19:39:12,557 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2019-10-13 19:39:12,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:12,558 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-10-13 19:39:12,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-10-13 19:39:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:12,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:12,562 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 19:39:12,563 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:12,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1451016252, now seen corresponding path program 1 times [2019-10-13 19:39:12,563 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:12,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341696945] [2019-10-13 19:39:12,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:12,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:12,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,888 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:12,920 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 19:39:12,921 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341696945] [2019-10-13 19:39:12,921 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:12,921 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:12,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738882185] [2019-10-13 19:39:12,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:12,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:12,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:12,924 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2019-10-13 19:39:13,389 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:14,151 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2019-10-13 19:39:14,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:14,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:14,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:14,154 INFO L225 Difference]: With dead ends: 218 [2019-10-13 19:39:14,155 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 19:39:14,156 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:39:14,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 19:39:14,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-13 19:39:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-13 19:39:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-10-13 19:39:14,190 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2019-10-13 19:39:14,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:14,190 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-10-13 19:39:14,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-10-13 19:39:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 19:39:14,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:14,193 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] [2019-10-13 19:39:14,193 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:14,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:14,193 INFO L82 PathProgramCache]: Analyzing trace with hash 880823031, now seen corresponding path program 1 times [2019-10-13 19:39:14,194 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:14,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996044988] [2019-10-13 19:39:14,194 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:14,194 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:14,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,506 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,572 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 19:39:14,573 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996044988] [2019-10-13 19:39:14,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:14,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:14,574 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991592831] [2019-10-13 19:39:14,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:14,575 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:14,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:14,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:14,576 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2019-10-13 19:39:15,042 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:15,354 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:15,608 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:15,864 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:16,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:16,961 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2019-10-13 19:39:16,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:16,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-13 19:39:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:16,965 INFO L225 Difference]: With dead ends: 227 [2019-10-13 19:39:16,965 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 19:39:16,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:16,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 19:39:16,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-13 19:39:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-13 19:39:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-13 19:39:16,997 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2019-10-13 19:39:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:16,997 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-13 19:39:16,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-13 19:39:17,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 19:39:17,000 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:17,000 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] [2019-10-13 19:39:17,000 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:17,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:17,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2056665484, now seen corresponding path program 1 times [2019-10-13 19:39:17,001 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:17,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689266490] [2019-10-13 19:39:17,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:17,002 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:17,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,356 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:17,459 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 19:39:17,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689266490] [2019-10-13 19:39:17,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:17,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:17,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004593138] [2019-10-13 19:39:17,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:17,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:17,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:17,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:17,461 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2019-10-13 19:39:18,070 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:18,425 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:18,759 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:19,019 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:19,599 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:21,052 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:21,476 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:21,803 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:22,140 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:22,418 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:22,784 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:23,113 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:23,453 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:24,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:24,612 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2019-10-13 19:39:24,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:24,613 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2019-10-13 19:39:24,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:24,619 INFO L225 Difference]: With dead ends: 438 [2019-10-13 19:39:24,619 INFO L226 Difference]: Without dead ends: 349 [2019-10-13 19:39:24,621 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:24,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-13 19:39:24,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2019-10-13 19:39:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-13 19:39:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2019-10-13 19:39:24,695 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2019-10-13 19:39:24,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:24,696 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2019-10-13 19:39:24,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2019-10-13 19:39:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-13 19:39:24,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:24,699 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, 1, 1] [2019-10-13 19:39:24,700 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:24,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:24,700 INFO L82 PathProgramCache]: Analyzing trace with hash -128733792, now seen corresponding path program 1 times [2019-10-13 19:39:24,700 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:24,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309088430] [2019-10-13 19:39:24,701 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:24,701 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:24,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,013 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:25,108 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 19:39:25,109 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309088430] [2019-10-13 19:39:25,109 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:25,109 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:25,109 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716809595] [2019-10-13 19:39:25,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:25,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:25,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:25,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:25,111 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2019-10-13 19:39:25,531 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:26,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:26,070 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2019-10-13 19:39:26,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 19:39:26,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-10-13 19:39:26,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:26,074 INFO L225 Difference]: With dead ends: 434 [2019-10-13 19:39:26,075 INFO L226 Difference]: Without dead ends: 178 [2019-10-13 19:39:26,076 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:39:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-10-13 19:39:26,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2019-10-13 19:39:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-13 19:39:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2019-10-13 19:39:26,112 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 72 [2019-10-13 19:39:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:26,112 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2019-10-13 19:39:26,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2019-10-13 19:39:26,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 19:39:26,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:26,115 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:26,115 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:26,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:26,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1672476349, now seen corresponding path program 1 times [2019-10-13 19:39:26,116 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:26,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403018073] [2019-10-13 19:39:26,116 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:26,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:26,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,440 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 19:39:26,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403018073] [2019-10-13 19:39:26,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771816540] [2019-10-13 19:39:26,590 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 19:39:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:26,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:26,965 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:26,965 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:26,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763426096] [2019-10-13 19:39:26,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:26,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:26,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:26,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:26,967 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 15 states. [2019-10-13 19:39:27,553 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:28,329 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:29,102 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2019-10-13 19:39:29,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 19:39:29,103 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2019-10-13 19:39:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:29,104 INFO L225 Difference]: With dead ends: 223 [2019-10-13 19:39:29,104 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:29,105 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-10-13 19:39:29,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:29,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:29,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2019-10-13 19:39:29,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:29,107 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:29,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:29,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:29,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:29,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:29,739 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2019-10-13 19:39:31,154 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:31,316 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:31,785 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:32,257 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:32,485 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:32,937 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:33,089 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:33,303 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:33,450 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:33,671 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:34,131 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:34,564 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:35,034 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-13 19:39:35,470 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-13 19:39:35,621 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:36,165 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:36,374 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:36,558 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:36,805 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:36,964 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:37,226 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-13 19:39:37,388 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-13 19:39:37,420 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-13 19:39:37,420 INFO L443 ceAbstractionStarter]: For program point L382-2(lines 382 403) no Hoare annotation was computed. [2019-10-13 19:39:37,420 INFO L443 ceAbstractionStarter]: For program point L404(lines 381 405) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 357 412) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 357 412) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 357 412) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 449) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 445 449) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 413 472) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point L439-2(lines 439 464) no Hoare annotation was computed. [2019-10-13 19:39:37,421 INFO L443 ceAbstractionStarter]: For program point L465(lines 438 466) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 413 472) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 413 472) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 692 698) the Hoare annotation is: true [2019-10-13 19:39:37,422 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 692 698) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 699 707) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 699 707) the Hoare annotation is: true [2019-10-13 19:39:37,422 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 699 707) no Hoare annotation was computed. [2019-10-13 19:39:37,422 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 806 830) the Hoare annotation is: true [2019-10-13 19:39:37,423 INFO L439 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,423 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 806 830) no Hoare annotation was computed. [2019-10-13 19:39:37,423 INFO L443 ceAbstractionStarter]: For program point L818(lines 818 824) no Hoare annotation was computed. [2019-10-13 19:39:37,423 INFO L439 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,423 INFO L443 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2019-10-13 19:39:37,423 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 827) no Hoare annotation was computed. [2019-10-13 19:39:37,423 INFO L443 ceAbstractionStarter]: For program point L814-1(lines 806 830) no Hoare annotation was computed. [2019-10-13 19:39:37,423 INFO L446 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2019-10-13 19:39:37,423 INFO L443 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2019-10-13 19:39:37,424 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 781 803) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,424 INFO L439 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,424 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 781 803) no Hoare annotation was computed. [2019-10-13 19:39:37,424 INFO L439 ceAbstractionStarter]: At program point L793-1(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,424 INFO L443 ceAbstractionStarter]: For program point L791(lines 791 798) no Hoare annotation was computed. [2019-10-13 19:39:37,424 INFO L443 ceAbstractionStarter]: For program point L791-1(lines 791 798) no Hoare annotation was computed. [2019-10-13 19:39:37,424 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-13 19:39:37,425 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,425 INFO L439 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,425 INFO L439 ceAbstractionStarter]: At program point L787-1(line 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,425 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 781 803) no Hoare annotation was computed. [2019-10-13 19:39:37,425 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 740 763) no Hoare annotation was computed. [2019-10-13 19:39:37,425 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 740 763) no Hoare annotation was computed. [2019-10-13 19:39:37,425 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 740 763) no Hoare annotation was computed. [2019-10-13 19:39:37,425 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-10-13 19:39:37,425 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L756(line 756) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L755(line 755) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L754(line 754) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L752(line 752) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L751(line 751) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-10-13 19:39:37,426 INFO L443 ceAbstractionStarter]: For program point L749(line 749) no Hoare annotation was computed. [2019-10-13 19:39:37,427 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-13 19:39:37,427 INFO L443 ceAbstractionStarter]: For program point L747(line 747) no Hoare annotation was computed. [2019-10-13 19:39:37,427 INFO L443 ceAbstractionStarter]: For program point L746(line 746) no Hoare annotation was computed. [2019-10-13 19:39:37,427 INFO L443 ceAbstractionStarter]: For program point L745(line 745) no Hoare annotation was computed. [2019-10-13 19:39:37,427 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2019-10-13 19:39:37,427 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2019-10-13 19:39:37,427 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2019-10-13 19:39:37,427 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2019-10-13 19:39:37,428 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2019-10-13 19:39:37,428 INFO L446 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2019-10-13 19:39:37,428 INFO L443 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2019-10-13 19:39:37,428 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-10-13 19:39:37,428 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2019-10-13 19:39:37,428 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2019-10-13 19:39:37,428 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2019-10-13 19:39:37,429 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2019-10-13 19:39:37,430 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 685 691) no Hoare annotation was computed. [2019-10-13 19:39:37,430 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 685 691) the Hoare annotation is: true [2019-10-13 19:39:37,430 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 311 356) no Hoare annotation was computed. [2019-10-13 19:39:37,430 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 311 356) no Hoare annotation was computed. [2019-10-13 19:39:37,430 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 311 356) no Hoare annotation was computed. [2019-10-13 19:39:37,430 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 658) no Hoare annotation was computed. [2019-10-13 19:39:37,430 INFO L443 ceAbstractionStarter]: For program point L638-1(lines 638 658) no Hoare annotation was computed. [2019-10-13 19:39:37,430 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 624 669) no Hoare annotation was computed. [2019-10-13 19:39:37,431 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 624 669) no Hoare annotation was computed. [2019-10-13 19:39:37,431 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 624 669) no Hoare annotation was computed. [2019-10-13 19:39:37,431 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 651) no Hoare annotation was computed. [2019-10-13 19:39:37,431 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 771 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,431 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 771 780) no Hoare annotation was computed. [2019-10-13 19:39:37,431 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 771 780) no Hoare annotation was computed. [2019-10-13 19:39:37,431 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2019-10-13 19:39:37,431 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-13 19:39:37,432 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-13 19:39:37,432 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2019-10-13 19:39:37,432 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2019-10-13 19:39:37,432 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: true [2019-10-13 19:39:37,432 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2019-10-13 19:39:37,432 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2019-10-13 19:39:37,432 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2019-10-13 19:39:37,433 INFO L439 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,433 INFO L439 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,433 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-10-13 19:39:37,433 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2019-10-13 19:39:37,433 INFO L439 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,433 INFO L443 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2019-10-13 19:39:37,434 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-13 19:39:37,434 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-10-13 19:39:37,434 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-13 19:39:37,434 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2019-10-13 19:39:37,434 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2019-10-13 19:39:37,434 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,434 INFO L439 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:37,435 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2019-10-13 19:39:37,435 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-10-13 19:39:37,435 INFO L439 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:37,435 INFO L443 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-10-13 19:39:37,435 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2019-10-13 19:39:37,435 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:37,435 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-10-13 19:39:37,435 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-10-13 19:39:37,436 INFO L439 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:37,436 INFO L439 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:37,436 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-10-13 19:39:37,436 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2019-10-13 19:39:37,436 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-13 19:39:37,436 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2019-10-13 19:39:37,436 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 578 623) no Hoare annotation was computed. [2019-10-13 19:39:37,436 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 605) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 578 623) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 578 623) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 612) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point L592-1(lines 592 612) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 911 919) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 911 919) the Hoare annotation is: true [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 911 919) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 879 901) no Hoare annotation was computed. [2019-10-13 19:39:37,437 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 895) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 879 901) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point L887-2(lines 887 895) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 879 901) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point L545(lines 523 546) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 475 577) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 520) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 571) no Hoare annotation was computed. [2019-10-13 19:39:37,438 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 544) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point L556-1(line 556) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 562) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 475 577) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point L540-1(line 540) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 574) no Hoare annotation was computed. [2019-10-13 19:39:37,439 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 475 577) no Hoare annotation was computed. [2019-10-13 19:39:37,440 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-13 19:39:37,440 INFO L443 ceAbstractionStarter]: For program point L524-2(lines 524 544) no Hoare annotation was computed. [2019-10-13 19:39:37,440 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 675 684) no Hoare annotation was computed. [2019-10-13 19:39:37,440 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 675 684) no Hoare annotation was computed. [2019-10-13 19:39:37,440 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 675 684) no Hoare annotation was computed. [2019-10-13 19:39:37,440 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:37,441 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2019-10-13 19:39:37,441 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:37,441 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2019-10-13 19:39:37,441 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-13 19:39:37,441 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 136 143) no Hoare annotation was computed. [2019-10-13 19:39:37,441 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 902 910) the Hoare annotation is: true [2019-10-13 19:39:37,441 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 902 910) no Hoare annotation was computed. [2019-10-13 19:39:37,441 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 902 910) no Hoare annotation was computed. [2019-10-13 19:39:37,441 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 858 869) no Hoare annotation was computed. [2019-10-13 19:39:37,442 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 858 869) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,442 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 858 869) no Hoare annotation was computed. [2019-10-13 19:39:37,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:37,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:37,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:37,442 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 870 878) the Hoare annotation is: true [2019-10-13 19:39:37,442 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 870 878) no Hoare annotation was computed. [2019-10-13 19:39:37,442 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 870 878) no Hoare annotation was computed. [2019-10-13 19:39:37,442 INFO L439 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 (and (= 1 ~waterLevel~0) .cse2) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:37,443 INFO L439 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-13 19:39:37,443 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2019-10-13 19:39:37,443 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:37,443 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2019-10-13 19:39:37,443 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2019-10-13 19:39:37,443 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:37,443 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 710 739) no Hoare annotation was computed. [2019-10-13 19:39:37,444 INFO L446 ceAbstractionStarter]: At program point L735(lines 710 739) the Hoare annotation is: true [2019-10-13 19:39:37,444 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 710 739) the Hoare annotation is: true [2019-10-13 19:39:37,444 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-10-13 19:39:37,444 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-10-13 19:39:37,444 INFO L446 ceAbstractionStarter]: At program point L724-1(lines 724 728) the Hoare annotation is: true [2019-10-13 19:39:37,444 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-10-13 19:39:37,444 INFO L446 ceAbstractionStarter]: At program point L720-2(lines 720 734) the Hoare annotation is: true [2019-10-13 19:39:37,444 INFO L446 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2019-10-13 19:39:37,445 INFO L443 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2019-10-13 19:39:37,445 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 834 845) the Hoare annotation is: true [2019-10-13 19:39:37,445 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 834 845) no Hoare annotation was computed. [2019-10-13 19:39:37,445 INFO L443 ceAbstractionStarter]: For program point L838-1(lines 834 845) no Hoare annotation was computed. [2019-10-13 19:39:37,445 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 764 770) no Hoare annotation was computed. [2019-10-13 19:39:37,445 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 764 770) the Hoare annotation is: true [2019-10-13 19:39:37,445 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:37,446 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:39:37,446 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:37,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:37,446 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 846 857) no Hoare annotation was computed. [2019-10-13 19:39:37,446 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 846 857) no Hoare annotation was computed. [2019-10-13 19:39:37,446 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 846 857) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-13 19:39:37,446 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 296 303) no Hoare annotation was computed. [2019-10-13 19:39:37,446 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 296 303) the Hoare annotation is: true [2019-10-13 19:39:37,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2019-10-13 19:39:37,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 296 303) no Hoare annotation was computed. [2019-10-13 19:39:37,447 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,447 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2019-10-13 19:39:37,447 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-10-13 19:39:37,447 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,447 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-13 19:39:37,448 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-10-13 19:39:37,448 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-10-13 19:39:37,448 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-13 19:39:37,448 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2019-10-13 19:39:37,448 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:37,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:37 BoogieIcfgContainer [2019-10-13 19:39:37,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:37,463 INFO L168 Benchmark]: Toolchain (without parser) took 29110.17 ms. Allocated memory was 138.9 MB in the beginning and 651.7 MB in the end (delta: 512.8 MB). Free memory was 98.8 MB in the beginning and 327.7 MB in the end (delta: -228.9 MB). Peak memory consumption was 504.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:37,464 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 138.9 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:37,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.94 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 98.6 MB in the beginning and 166.8 MB in the end (delta: -68.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:37,466 INFO L168 Benchmark]: Boogie Preprocessor took 100.83 ms. Allocated memory is still 200.3 MB. Free memory was 166.8 MB in the beginning and 162.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:37,466 INFO L168 Benchmark]: RCFGBuilder took 1265.37 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 162.7 MB in the beginning and 196.2 MB in the end (delta: -33.5 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:37,467 INFO L168 Benchmark]: TraceAbstraction took 27084.45 ms. Allocated memory was 230.7 MB in the beginning and 651.7 MB in the end (delta: 421.0 MB). Free memory was 194.8 MB in the beginning and 327.7 MB in the end (delta: -133.0 MB). Peak memory consumption was 508.2 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:37,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 138.9 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.94 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 98.6 MB in the beginning and 166.8 MB in the end (delta: -68.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.83 ms. Allocated memory is still 200.3 MB. Free memory was 166.8 MB in the beginning and 162.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1265.37 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 162.7 MB in the beginning and 196.2 MB in the end (delta: -33.5 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27084.45 ms. Allocated memory was 230.7 MB in the beginning and 651.7 MB in the end (delta: 421.0 MB). Free memory was 194.8 MB in the beginning and 327.7 MB in the end (delta: -133.0 MB). Peak memory consumption was 508.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: 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: 241]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Result: SAFE, OverallTime: 27.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, HoareTripleCheckerStatistics: 572 SDtfs, 1210 SDslu, 475 SDs, 0 SdLazy, 2863 SolverSat, 762 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1117 HoareAnnotationTreeSize, 412 FomulaSimplifications, 40461 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 8593 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 496 NumberOfCodeBlocks, 496 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 489 ConstructedInterpolants, 0 QuantifiedInterpolants, 147290 SizeOfPredicates, 3 NumberOfNonLiveVariables, 765 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 69/72 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...