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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:35,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:35,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:35,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:35,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:35,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:35,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:35,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:35,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:35,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:35,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:36,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:36,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:36,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:36,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:36,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:36,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:36,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:36,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:36,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:36,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:36,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:36,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:36,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:36,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:36,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:36,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:36,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:36,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:36,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:36,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:36,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:36,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:36,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:36,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:36,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:36,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:36,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:36,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:36,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:36,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:36,033 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 19:39:36,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:36,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:36,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:36,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:36,049 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:36,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:36,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:36,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:36,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:36,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:36,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:36,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:36,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:36,051 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:36,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:36,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:36,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:36,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:36,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:36,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:36,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:36,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:36,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:36,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:36,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:36,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:36,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:36,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:36,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:36,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:36,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:36,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:36,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:36,397 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:36,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-13 19:39:36,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261ebe4e7/5d3e291aed414f79954700f615a52693/FLAG80360f3c1 [2019-10-13 19:39:36,952 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:36,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-13 19:39:36,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261ebe4e7/5d3e291aed414f79954700f615a52693/FLAG80360f3c1 [2019-10-13 19:39:37,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261ebe4e7/5d3e291aed414f79954700f615a52693 [2019-10-13 19:39:37,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:37,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:37,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:37,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:37,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:37,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:37" (1/1) ... [2019-10-13 19:39:37,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6885b406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:37, skipping insertion in model container [2019-10-13 19:39:37,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:37" (1/1) ... [2019-10-13 19:39:37,335 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:37,400 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:37,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:37,976 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:38,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:38,159 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:38,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38 WrapperNode [2019-10-13 19:39:38,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:38,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:38,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:38,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:38,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (1/1) ... [2019-10-13 19:39:38,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (1/1) ... [2019-10-13 19:39:38,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (1/1) ... [2019-10-13 19:39:38,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (1/1) ... [2019-10-13 19:39:38,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (1/1) ... [2019-10-13 19:39:38,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (1/1) ... [2019-10-13 19:39:38,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (1/1) ... [2019-10-13 19:39:38,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:38,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:38,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:38,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:38,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (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 19:39:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:39:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:39:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:39:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:39:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:39:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:39:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:39,454 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:39,455 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:39,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:39 BoogieIcfgContainer [2019-10-13 19:39:39,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:39,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:39,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:39,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:39,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:37" (1/3) ... [2019-10-13 19:39:39,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413516af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:39, skipping insertion in model container [2019-10-13 19:39:39,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:38" (2/3) ... [2019-10-13 19:39:39,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413516af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:39, skipping insertion in model container [2019-10-13 19:39:39,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:39" (3/3) ... [2019-10-13 19:39:39,464 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-10-13 19:39:39,475 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:39,483 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:39,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:39,520 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:39,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:39,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:39,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:39,521 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:39,521 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:39,521 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:39,521 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-13 19:39:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:39,555 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:39,556 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 19:39:39,558 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:39,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:39,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1393146994, now seen corresponding path program 1 times [2019-10-13 19:39:39,572 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:39,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170155826] [2019-10-13 19:39:39,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:39,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:39,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,208 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,294 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 19:39:40,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170155826] [2019-10-13 19:39:40,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:40,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:40,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078570771] [2019-10-13 19:39:40,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:40,304 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:40,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:40,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:40,321 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2019-10-13 19:39:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:41,563 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2019-10-13 19:39:41,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:41,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:41,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:41,590 INFO L225 Difference]: With dead ends: 308 [2019-10-13 19:39:41,590 INFO L226 Difference]: Without dead ends: 167 [2019-10-13 19:39:41,595 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 19:39:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-10-13 19:39:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2019-10-13 19:39:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-13 19:39:41,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-13 19:39:41,699 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2019-10-13 19:39:41,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:41,701 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-13 19:39:41,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-13 19:39:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:41,712 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:41,712 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 19:39:41,713 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:41,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:41,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1814082405, now seen corresponding path program 1 times [2019-10-13 19:39:41,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:41,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347810853] [2019-10-13 19:39:41,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:41,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:41,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,105 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:42,138 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 19:39:42,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347810853] [2019-10-13 19:39:42,139 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:42,139 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:42,139 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683035838] [2019-10-13 19:39:42,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:42,141 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:42,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:42,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:42,142 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2019-10-13 19:39:42,667 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:43,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:43,576 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2019-10-13 19:39:43,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:43,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:43,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:43,579 INFO L225 Difference]: With dead ends: 231 [2019-10-13 19:39:43,580 INFO L226 Difference]: Without dead ends: 151 [2019-10-13 19:39:43,581 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 19:39:43,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-13 19:39:43,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2019-10-13 19:39:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-13 19:39:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-13 19:39:43,620 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2019-10-13 19:39:43,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:43,620 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-13 19:39:43,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-13 19:39:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:39:43,622 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:43,622 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] [2019-10-13 19:39:43,622 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:43,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:43,623 INFO L82 PathProgramCache]: Analyzing trace with hash -947171688, now seen corresponding path program 1 times [2019-10-13 19:39:43,623 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:43,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443718313] [2019-10-13 19:39:43,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:43,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:43,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,973 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,131 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 19:39:44,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443718313] [2019-10-13 19:39:44,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:44,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:44,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560144209] [2019-10-13 19:39:44,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:44,133 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:44,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:44,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:44,134 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2019-10-13 19:39:44,723 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:45,088 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:45,364 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:45,625 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:46,544 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:48,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:48,644 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2019-10-13 19:39:48,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:39:48,644 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-13 19:39:48,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:48,649 INFO L225 Difference]: With dead ends: 424 [2019-10-13 19:39:48,649 INFO L226 Difference]: Without dead ends: 325 [2019-10-13 19:39:48,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:39:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-10-13 19:39:48,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2019-10-13 19:39:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-13 19:39:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2019-10-13 19:39:48,744 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2019-10-13 19:39:48,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:48,746 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2019-10-13 19:39:48,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2019-10-13 19:39:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:39:48,754 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:48,754 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] [2019-10-13 19:39:48,755 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:48,763 INFO L82 PathProgramCache]: Analyzing trace with hash -306167776, now seen corresponding path program 1 times [2019-10-13 19:39:48,763 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:48,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561525934] [2019-10-13 19:39:48,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:48,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:48,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,201 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:49,341 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 19:39:49,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561525934] [2019-10-13 19:39:49,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:49,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:49,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622582286] [2019-10-13 19:39:49,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:49,344 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:49,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:49,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:49,346 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2019-10-13 19:39:50,053 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:50,452 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:50,751 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:51,050 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:51,680 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:52,606 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:53,088 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:53,460 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:53,790 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:54,105 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:54,565 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:54,955 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:55,360 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:56,856 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2019-10-13 19:39:56,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:56,862 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:39:56,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:56,874 INFO L225 Difference]: With dead ends: 1047 [2019-10-13 19:39:56,874 INFO L226 Difference]: Without dead ends: 811 [2019-10-13 19:39:56,877 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:56,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-10-13 19:39:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2019-10-13 19:39:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2019-10-13 19:39:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2019-10-13 19:39:57,026 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2019-10-13 19:39:57,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:57,027 INFO L462 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2019-10-13 19:39:57,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2019-10-13 19:39:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:39:57,030 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:57,030 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] [2019-10-13 19:39:57,030 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:57,031 INFO L82 PathProgramCache]: Analyzing trace with hash -714386778, now seen corresponding path program 1 times [2019-10-13 19:39:57,031 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:57,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947779974] [2019-10-13 19:39:57,031 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:57,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:57,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,323 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:57,399 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 19:39:57,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947779974] [2019-10-13 19:39:57,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:57,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:57,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420512438] [2019-10-13 19:39:57,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:57,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:57,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:57,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:57,402 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2019-10-13 19:39:57,768 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:58,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:58,590 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2019-10-13 19:39:58,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:58,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:39:58,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:58,594 INFO L225 Difference]: With dead ends: 1181 [2019-10-13 19:39:58,595 INFO L226 Difference]: Without dead ends: 499 [2019-10-13 19:39:58,598 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:39:58,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-13 19:39:58,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2019-10-13 19:39:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-13 19:39:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2019-10-13 19:39:58,684 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2019-10-13 19:39:58,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:58,685 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2019-10-13 19:39:58,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2019-10-13 19:39:58,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 19:39:58,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:58,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:58,688 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:58,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:58,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1764824326, now seen corresponding path program 1 times [2019-10-13 19:39:58,689 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:58,689 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203658433] [2019-10-13 19:39:58,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:58,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:58,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:58,991 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:39:59,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203658433] [2019-10-13 19:39:59,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80347542] [2019-10-13 19:39:59,100 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 19:39:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:59,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:59,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:59,453 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:59,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:59,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062523421] [2019-10-13 19:39:59,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:59,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:59,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:59,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:59,456 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 15 states. [2019-10-13 19:40:00,358 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:40:01,229 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:40:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:40:02,458 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2019-10-13 19:40:02,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:40:02,459 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2019-10-13 19:40:02,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:40:02,460 INFO L225 Difference]: With dead ends: 605 [2019-10-13 19:40:02,461 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:40:02,463 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:40:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:40:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:40:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:40:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:40:02,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 19:40:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:40:02,465 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:40:02,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:40:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:40:02,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:40:02,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:40:02,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:40:02,956 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 25 [2019-10-13 19:40:03,220 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 212 [2019-10-13 19:40:03,412 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-10-13 19:40:04,662 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 203 [2019-10-13 19:40:05,736 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:05,892 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:06,123 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:40:06,417 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2019-10-13 19:40:06,885 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:07,039 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2019-10-13 19:40:07,569 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:40:07,989 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2019-10-13 19:40:08,206 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:40:08,444 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:40:08,605 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:40:09,094 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:40:09,264 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:40:09,778 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:40:10,293 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:40:10,462 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:40:10,933 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:11,069 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2019-10-13 19:40:11,245 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:11,396 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:11,566 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:40:12,056 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:12,218 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:12,392 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2019-10-13 19:40:12,603 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:12,735 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2019-10-13 19:40:13,256 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:40:13,427 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:13,899 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-13 19:40:13,937 INFO L443 ceAbstractionStarter]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2019-10-13 19:40:13,937 INFO L443 ceAbstractionStarter]: For program point L409(lines 386 410) no Hoare annotation was computed. [2019-10-13 19:40:13,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 362 417) no Hoare annotation was computed. [2019-10-13 19:40:13,937 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 397) no Hoare annotation was computed. [2019-10-13 19:40:13,937 INFO L443 ceAbstractionStarter]: For program point L393-1(lines 393 397) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point L470(lines 443 471) no Hoare annotation was computed. [2019-10-13 19:40:13,938 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-10-13 19:40:13,939 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-10-13 19:40:13,939 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-10-13 19:40:13,940 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-10-13 19:40:13,940 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-13 19:40:13,940 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,940 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-13 19:40:13,940 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,940 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-13 19:40:13,940 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-13 19:40:13,940 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-13 19:40:13,940 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-13 19:40:13,941 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-13 19:40:13,941 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-13 19:40:13,941 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 193 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:40:13,941 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2019-10-13 19:40:13,941 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:13,941 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2019-10-13 19:40:13,942 INFO L439 ceAbstractionStarter]: At program point L205-1(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:13,942 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-13 19:40:13,942 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2019-10-13 19:40:13,942 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-13 19:40:13,942 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:40:13,942 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:40:13,943 INFO L439 ceAbstractionStarter]: At program point L199-1(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:40:13,943 INFO L443 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2019-10-13 19:40:13,943 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 19:40:13,943 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2019-10-13 19:40:13,943 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-13 19:40:13,943 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-13 19:40:13,943 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 19:40:13,943 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 19:40:13,944 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-13 19:40:13,945 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:40:13,945 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-10-13 19:40:13,945 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,945 INFO L439 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,945 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-10-13 19:40:13,945 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,945 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:40:13,945 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L439 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2019-10-13 19:40:13,946 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L446 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L826(lines 826 834) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 819 854) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-10-13 19:40:13,947 INFO L443 ceAbstractionStarter]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 316 361) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 629 674) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 656) no Hoare annotation was computed. [2019-10-13 19:40:13,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 663) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 643 663) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L446 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: true [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2019-10-13 19:40:13,949 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2019-10-13 19:40:13,950 INFO L439 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:40:13,950 INFO L443 ceAbstractionStarter]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2019-10-13 19:40:13,950 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2019-10-13 19:40:13,950 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:40:13,950 INFO L439 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,950 INFO L439 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,950 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2019-10-13 19:40:13,950 INFO L439 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,950 INFO L443 ceAbstractionStarter]: For program point L747-1(line 747) no Hoare annotation was computed. [2019-10-13 19:40:13,950 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2019-10-13 19:40:13,951 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2019-10-13 19:40:13,951 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2019-10-13 19:40:13,951 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 898 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:40:13,951 INFO L439 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:13,951 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2019-10-13 19:40:13,951 INFO L439 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:40:13,951 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-10-13 19:40:13,952 INFO L439 ceAbstractionStarter]: At program point L946-1(lines 938 953) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:40:13,952 INFO L443 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2019-10-13 19:40:13,952 INFO L439 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:13,952 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2019-10-13 19:40:13,952 INFO L439 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:40:13,952 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2019-10-13 19:40:13,952 INFO L443 ceAbstractionStarter]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2019-10-13 19:40:13,953 INFO L439 ceAbstractionStarter]: At program point L955(lines 908 957) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:40:13,953 INFO L439 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:40:13,953 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-10-13 19:40:13,953 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2019-10-13 19:40:13,953 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-13 19:40:13,953 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2019-10-13 19:40:13,953 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 610) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 617) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 583 628) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 766 773) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2019-10-13 19:40:13,954 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 268 290) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 284) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-10-13 19:40:13,955 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point L545-1(line 545) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 508) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 579) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point L550(lines 528 551) no Hoare annotation was computed. [2019-10-13 19:40:13,956 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 525) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point L530(lines 529 549) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 567) no Hoare annotation was computed. [2019-10-13 19:40:13,957 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:40:13,958 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2019-10-13 19:40:13,958 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:40:13,958 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-13 19:40:13,958 INFO L443 ceAbstractionStarter]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2019-10-13 19:40:13,958 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 787) no Hoare annotation was computed. [2019-10-13 19:40:13,958 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2019-10-13 19:40:13,958 INFO L443 ceAbstractionStarter]: For program point L779(line 779) no Hoare annotation was computed. [2019-10-13 19:40:13,958 INFO L443 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2019-10-13 19:40:13,959 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2019-10-13 19:40:13,959 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2019-10-13 19:40:13,959 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2019-10-13 19:40:13,959 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2019-10-13 19:40:13,959 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,959 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2019-10-13 19:40:13,959 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2019-10-13 19:40:13,960 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:40:13,960 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:40:13,960 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:40:13,960 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and (= 1 ~waterLevel~0) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:40:13,960 INFO L439 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:40:13,960 INFO L439 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:40:13,961 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:40:13,961 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 705) no Hoare annotation was computed. [2019-10-13 19:40:13,961 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2019-10-13 19:40:13,961 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2019-10-13 19:40:13,961 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-13 19:40:13,961 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2019-10-13 19:40:13,961 INFO L446 ceAbstractionStarter]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2019-10-13 19:40:13,962 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2019-10-13 19:40:13,962 INFO L446 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2019-10-13 19:40:13,962 INFO L443 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2019-10-13 19:40:13,962 INFO L446 ceAbstractionStarter]: At program point L143(lines 118 147) the Hoare annotation is: true [2019-10-13 19:40:13,962 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 19:40:13,962 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-13 19:40:13,962 INFO L446 ceAbstractionStarter]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2019-10-13 19:40:13,962 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2019-10-13 19:40:13,963 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2019-10-13 19:40:13,963 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2019-10-13 19:40:13,963 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2019-10-13 19:40:13,963 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2019-10-13 19:40:13,963 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2019-10-13 19:40:13,963 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2019-10-13 19:40:13,963 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2019-10-13 19:40:13,963 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:40:13,964 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 19:40:13,964 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:40:13,964 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:40:13,964 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2019-10-13 19:40:13,964 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:13,964 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2019-10-13 19:40:13,964 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2019-10-13 19:40:13,964 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2019-10-13 19:40:13,965 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:40:13,965 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2019-10-13 19:40:13,965 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-10-13 19:40:13,965 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2019-10-13 19:40:13,965 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2019-10-13 19:40:13,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:40:13 BoogieIcfgContainer [2019-10-13 19:40:13,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:40:13,982 INFO L168 Benchmark]: Toolchain (without parser) took 36663.88 ms. Allocated memory was 135.3 MB in the beginning and 721.4 MB in the end (delta: 586.2 MB). Free memory was 98.8 MB in the beginning and 102.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 587.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:13,983 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 19:40:13,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.82 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 167.0 MB in the end (delta: -68.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:13,984 INFO L168 Benchmark]: Boogie Preprocessor took 126.32 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 162.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:13,985 INFO L168 Benchmark]: RCFGBuilder took 1167.17 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 162.7 MB in the beginning and 193.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:13,986 INFO L168 Benchmark]: TraceAbstraction took 34522.94 ms. Allocated memory was 226.5 MB in the beginning and 721.4 MB in the end (delta: 494.9 MB). Free memory was 193.2 MB in the beginning and 102.8 MB in the end (delta: 90.4 MB). Peak memory consumption was 590.6 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:13,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 841.82 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 167.0 MB in the end (delta: -68.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.32 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 162.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1167.17 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 162.7 MB in the beginning and 193.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34522.94 ms. Allocated memory was 226.5 MB in the beginning and 721.4 MB in the end (delta: 494.9 MB). Free memory was 193.2 MB in the beginning and 102.8 MB in the end (delta: 90.4 MB). Peak memory consumption was 590.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Result: SAFE, OverallTime: 34.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, HoareTripleCheckerStatistics: 675 SDtfs, 1586 SDslu, 729 SDs, 0 SdLazy, 3736 SolverSat, 1130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1190 HoareAnnotationTreeSize, 838 FomulaSimplifications, 172113 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20759 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 127166 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/48 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...