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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:01,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:01,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:01,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:01,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:01,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:01,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:01,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:01,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:01,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:01,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:01,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:01,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:01,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:01,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:01,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:01,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:01,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:01,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:01,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:01,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:01,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:01,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:01,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:01,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:01,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:01,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:01,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:01,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:01,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:01,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:01,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:01,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:01,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:01,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:01,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:01,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:01,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:01,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:01,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:01,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:01,382 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 19:39:01,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:01,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:01,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:01,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:01,398 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:01,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:01,398 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:01,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:01,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:01,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:01,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:01,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:01,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:01,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:01,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:01,400 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:01,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:01,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:01,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:01,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:01,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:01,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:01,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:01,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:01,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:01,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:01,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:01,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:01,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:01,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:01,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:01,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:01,751 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:01,751 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:01,752 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-10-13 19:39:01,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16910daef/3dd1005e5c564ba7a75db6a234778295/FLAG7f91186b5 [2019-10-13 19:39:02,338 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:02,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-10-13 19:39:02,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16910daef/3dd1005e5c564ba7a75db6a234778295/FLAG7f91186b5 [2019-10-13 19:39:02,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16910daef/3dd1005e5c564ba7a75db6a234778295 [2019-10-13 19:39:02,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:02,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:02,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:02,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:02,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:02,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:02" (1/1) ... [2019-10-13 19:39:02,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453c3fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:02, skipping insertion in model container [2019-10-13 19:39:02,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:02" (1/1) ... [2019-10-13 19:39:02,693 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:02,749 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:03,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:03,220 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:03,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:03,338 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:03,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03 WrapperNode [2019-10-13 19:39:03,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:03,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:03,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:03,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:03,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (1/1) ... [2019-10-13 19:39:03,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (1/1) ... [2019-10-13 19:39:03,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (1/1) ... [2019-10-13 19:39:03,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (1/1) ... [2019-10-13 19:39:03,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (1/1) ... [2019-10-13 19:39:03,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (1/1) ... [2019-10-13 19:39:03,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (1/1) ... [2019-10-13 19:39:03,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:03,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:03,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:03,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:03,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (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 19:39:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:39:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:39:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:04,721 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:04,721 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:04,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:04 BoogieIcfgContainer [2019-10-13 19:39:04,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:04,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:04,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:04,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:04,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:02" (1/3) ... [2019-10-13 19:39:04,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff19f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:04, skipping insertion in model container [2019-10-13 19:39:04,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:03" (2/3) ... [2019-10-13 19:39:04,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff19f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:04, skipping insertion in model container [2019-10-13 19:39:04,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:04" (3/3) ... [2019-10-13 19:39:04,732 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2019-10-13 19:39:04,742 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:04,752 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:04,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:04,796 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:04,796 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:04,796 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:04,796 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:04,797 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:04,797 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:04,797 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:04,797 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-13 19:39:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:04,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:04,830 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 19:39:04,833 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:04,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1582147067, now seen corresponding path program 1 times [2019-10-13 19:39:04,848 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:04,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818498555] [2019-10-13 19:39:04,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:04,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:04,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,602 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:05,711 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 19:39:05,712 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818498555] [2019-10-13 19:39:05,713 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:05,713 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:05,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997535582] [2019-10-13 19:39:05,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:05,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:05,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:05,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:05,739 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2019-10-13 19:39:06,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:06,815 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2019-10-13 19:39:06,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:06,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:06,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:06,832 INFO L225 Difference]: With dead ends: 256 [2019-10-13 19:39:06,832 INFO L226 Difference]: Without dead ends: 139 [2019-10-13 19:39:06,837 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 19:39:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-13 19:39:06,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2019-10-13 19:39:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-13 19:39:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2019-10-13 19:39:06,922 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2019-10-13 19:39:06,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:06,923 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2019-10-13 19:39:06,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2019-10-13 19:39:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:06,926 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:06,926 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 19:39:06,927 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:06,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:06,927 INFO L82 PathProgramCache]: Analyzing trace with hash 552512902, now seen corresponding path program 1 times [2019-10-13 19:39:06,928 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:06,928 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026829554] [2019-10-13 19:39:06,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:06,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:06,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,285 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,367 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 19:39:07,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026829554] [2019-10-13 19:39:07,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:07,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:07,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618156333] [2019-10-13 19:39:07,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:07,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:07,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:07,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:07,375 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2019-10-13 19:39:07,903 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:08,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:08,525 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2019-10-13 19:39:08,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:08,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:08,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:08,528 INFO L225 Difference]: With dead ends: 185 [2019-10-13 19:39:08,528 INFO L226 Difference]: Without dead ends: 123 [2019-10-13 19:39:08,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:39:08,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-13 19:39:08,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2019-10-13 19:39:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 19:39:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2019-10-13 19:39:08,560 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2019-10-13 19:39:08,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:08,561 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2019-10-13 19:39:08,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2019-10-13 19:39:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:39:08,563 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:08,563 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 19:39:08,563 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:08,564 INFO L82 PathProgramCache]: Analyzing trace with hash -482942028, now seen corresponding path program 1 times [2019-10-13 19:39:08,564 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:08,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796783904] [2019-10-13 19:39:08,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:08,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:08,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,901 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,003 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 19:39:09,003 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796783904] [2019-10-13 19:39:09,004 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:09,004 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:09,004 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664915010] [2019-10-13 19:39:09,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:09,005 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:09,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:09,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:09,005 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states. [2019-10-13 19:39:09,435 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:09,770 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:10,052 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:10,370 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:11,378 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2019-10-13 19:39:11,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:11,379 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-13 19:39:11,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:11,382 INFO L225 Difference]: With dead ends: 198 [2019-10-13 19:39:11,382 INFO L226 Difference]: Without dead ends: 123 [2019-10-13 19:39:11,383 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:11,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-13 19:39:11,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2019-10-13 19:39:11,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 19:39:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2019-10-13 19:39:11,414 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2019-10-13 19:39:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:11,415 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2019-10-13 19:39:11,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2019-10-13 19:39:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 19:39:11,417 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:11,417 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] [2019-10-13 19:39:11,418 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1347870715, now seen corresponding path program 1 times [2019-10-13 19:39:11,418 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:11,418 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270638302] [2019-10-13 19:39:11,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:11,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:11,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,770 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:11,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270638302] [2019-10-13 19:39:11,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:11,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:11,885 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913015584] [2019-10-13 19:39:11,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:11,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:11,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:11,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:11,886 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 12 states. [2019-10-13 19:39:12,471 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:12,845 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:13,136 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:13,394 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:14,005 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:14,926 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:15,278 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:15,622 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:15,884 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:16,134 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:16,459 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:16,807 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:17,102 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:18,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:18,251 INFO L93 Difference]: Finished difference Result 380 states and 506 transitions. [2019-10-13 19:39:18,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:18,252 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2019-10-13 19:39:18,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:18,257 INFO L225 Difference]: With dead ends: 380 [2019-10-13 19:39:18,258 INFO L226 Difference]: Without dead ends: 305 [2019-10-13 19:39:18,259 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:18,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-10-13 19:39:18,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 236. [2019-10-13 19:39:18,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-10-13 19:39:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2019-10-13 19:39:18,331 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 60 [2019-10-13 19:39:18,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:18,331 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2019-10-13 19:39:18,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2019-10-13 19:39:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 19:39:18,334 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:18,334 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:18,335 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:18,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:18,335 INFO L82 PathProgramCache]: Analyzing trace with hash 103284699, now seen corresponding path program 1 times [2019-10-13 19:39:18,335 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:18,336 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308123582] [2019-10-13 19:39:18,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:18,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:18,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,661 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:18,737 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 19:39:18,737 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308123582] [2019-10-13 19:39:18,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:18,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:18,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104823461] [2019-10-13 19:39:18,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:18,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:18,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:18,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:18,740 INFO L87 Difference]: Start difference. First operand 236 states and 277 transitions. Second operand 6 states. [2019-10-13 19:39:19,251 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:19,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:19,797 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2019-10-13 19:39:19,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 19:39:19,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-13 19:39:19,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:19,801 INFO L225 Difference]: With dead ends: 388 [2019-10-13 19:39:19,801 INFO L226 Difference]: Without dead ends: 176 [2019-10-13 19:39:19,803 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:39:19,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-10-13 19:39:19,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2019-10-13 19:39:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-10-13 19:39:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2019-10-13 19:39:19,835 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68 [2019-10-13 19:39:19,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:19,836 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2019-10-13 19:39:19,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2019-10-13 19:39:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 19:39:19,838 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:19,838 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:19,839 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:19,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:19,839 INFO L82 PathProgramCache]: Analyzing trace with hash -621584585, now seen corresponding path program 1 times [2019-10-13 19:39:19,839 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:19,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711002463] [2019-10-13 19:39:19,840 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:19,840 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:19,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,179 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-13 19:39:20,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711002463] [2019-10-13 19:39:20,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504925303] [2019-10-13 19:39:20,307 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 19:39:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:20,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:20,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:20,704 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:20,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:20,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539659944] [2019-10-13 19:39:20,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:20,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:20,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:20,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:20,706 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 15 states. [2019-10-13 19:39:21,374 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:22,178 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:23,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:23,015 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2019-10-13 19:39:23,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 19:39:23,016 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 100 [2019-10-13 19:39:23,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:23,017 INFO L225 Difference]: With dead ends: 220 [2019-10-13 19:39:23,017 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:23,018 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-10-13 19:39:23,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:23,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:23,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-13 19:39:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:23,019 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:23,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:23,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:23,220 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:23,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:23,734 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 206 [2019-10-13 19:39:24,695 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 206 [2019-10-13 19:39:24,854 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 203 [2019-10-13 19:39:25,434 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:25,640 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:25,838 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:26,419 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:26,980 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:27,304 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2019-10-13 19:39:27,482 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:27,671 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:28,220 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:28,457 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:28,673 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:29,235 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:29,777 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-13 19:39:30,140 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2019-10-13 19:39:30,660 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-13 19:39:30,837 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:31,038 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:31,221 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:31,491 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:32,035 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:32,263 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:32,585 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2019-10-13 19:39:32,780 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:32,975 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:33,290 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 26 [2019-10-13 19:39:33,602 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point L640(lines 617 641) no Hoare annotation was computed. [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 593 648) no Hoare annotation was computed. [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 628) no Hoare annotation was computed. [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point L624-1(lines 624 628) no Hoare annotation was computed. [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point L618-2(lines 618 639) no Hoare annotation was computed. [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 593 648) no Hoare annotation was computed. [2019-10-13 19:39:33,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 593 648) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point L675-2(lines 675 700) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point L701(lines 674 702) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 649 708) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point L694-1(line 694) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 649 708) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 649 708) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 685) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point L681-1(lines 681 685) no Hoare annotation was computed. [2019-10-13 19:39:33,606 INFO L443 ceAbstractionStarter]: For program point L676(line 676) no Hoare annotation was computed. [2019-10-13 19:39:33,607 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 426 432) the Hoare annotation is: true [2019-10-13 19:39:33,607 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 426 432) no Hoare annotation was computed. [2019-10-13 19:39:33,607 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 433 441) no Hoare annotation was computed. [2019-10-13 19:39:33,607 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 433 441) the Hoare annotation is: true [2019-10-13 19:39:33,607 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 433 441) no Hoare annotation was computed. [2019-10-13 19:39:33,607 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 382 406) the Hoare annotation is: true [2019-10-13 19:39:33,607 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 382 406) no Hoare annotation was computed. [2019-10-13 19:39:33,608 INFO L439 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:33,608 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-10-13 19:39:33,608 INFO L439 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:33,608 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-10-13 19:39:33,608 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 403) no Hoare annotation was computed. [2019-10-13 19:39:33,608 INFO L443 ceAbstractionStarter]: For program point L390-1(lines 382 406) no Hoare annotation was computed. [2019-10-13 19:39:33,608 INFO L446 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2019-10-13 19:39:33,608 INFO L443 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2019-10-13 19:39:33,609 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 356 378) 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 19:39:33,609 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 356 378) no Hoare annotation was computed. [2019-10-13 19:39:33,609 INFO L439 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:33,609 INFO L439 ceAbstractionStarter]: At program point L368-1(line 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:33,609 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-10-13 19:39:33,610 INFO L443 ceAbstractionStarter]: For program point L366-1(lines 366 373) no Hoare annotation was computed. [2019-10-13 19:39:33,610 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 356 378) no Hoare annotation was computed. [2019-10-13 19:39:33,610 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-10-13 19:39:33,610 INFO L439 ceAbstractionStarter]: At program point L363(line 363) 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 19:39:33,610 INFO L439 ceAbstractionStarter]: At program point L362(line 362) 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 19:39:33,610 INFO L439 ceAbstractionStarter]: At program point L362-1(line 362) 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 19:39:33,611 INFO L443 ceAbstractionStarter]: For program point L321(line 321) no Hoare annotation was computed. [2019-10-13 19:39:33,611 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-10-13 19:39:33,611 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2019-10-13 19:39:33,611 INFO L443 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-10-13 19:39:33,611 INFO L443 ceAbstractionStarter]: For program point L318(line 318) no Hoare annotation was computed. [2019-10-13 19:39:33,611 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-10-13 19:39:33,611 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2019-10-13 19:39:33,612 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2019-10-13 19:39:33,612 INFO L443 ceAbstractionStarter]: For program point L330(line 330) no Hoare annotation was computed. [2019-10-13 19:39:33,612 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-13 19:39:33,612 INFO L443 ceAbstractionStarter]: For program point L328(line 328) no Hoare annotation was computed. [2019-10-13 19:39:33,612 INFO L443 ceAbstractionStarter]: For program point L327(line 327) no Hoare annotation was computed. [2019-10-13 19:39:33,612 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-10-13 19:39:33,612 INFO L443 ceAbstractionStarter]: For program point L325(line 325) no Hoare annotation was computed. [2019-10-13 19:39:33,613 INFO L443 ceAbstractionStarter]: For program point L324(line 324) no Hoare annotation was computed. [2019-10-13 19:39:33,613 INFO L443 ceAbstractionStarter]: For program point L323(line 323) no Hoare annotation was computed. [2019-10-13 19:39:33,613 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-13 19:39:33,613 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-13 19:39:33,613 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-13 19:39:33,613 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-10-13 19:39:33,613 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-13 19:39:33,613 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-13 19:39:33,614 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-13 19:39:33,614 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-13 19:39:33,614 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-10-13 19:39:33,614 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-13 19:39:33,614 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-10-13 19:39:33,614 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-13 19:39:33,614 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-13 19:39:33,614 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 19:39:33,615 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-13 19:39:33,615 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-10-13 19:39:33,615 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-10-13 19:39:33,615 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-10-13 19:39:33,615 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-13 19:39:33,615 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-13 19:39:33,615 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 419 425) no Hoare annotation was computed. [2019-10-13 19:39:33,616 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 419 425) the Hoare annotation is: true [2019-10-13 19:39:33,616 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 547 592) no Hoare annotation was computed. [2019-10-13 19:39:33,616 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 547 592) no Hoare annotation was computed. [2019-10-13 19:39:33,616 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 547 592) no Hoare annotation was computed. [2019-10-13 19:39:33,616 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 860 905) no Hoare annotation was computed. [2019-10-13 19:39:33,616 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 887) no Hoare annotation was computed. [2019-10-13 19:39:33,617 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 860 905) no Hoare annotation was computed. [2019-10-13 19:39:33,617 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-10-13 19:39:33,617 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2019-10-13 19:39:33,617 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 860 905) no Hoare annotation was computed. [2019-10-13 19:39:33,617 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 343 352) 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 19:39:33,617 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 343 352) no Hoare annotation was computed. [2019-10-13 19:39:33,618 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 343 352) no Hoare annotation was computed. [2019-10-13 19:39:33,618 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 197 207) no Hoare annotation was computed. [2019-10-13 19:39:33,618 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-13 19:39:33,618 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 19:39:33,618 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 19:39:33,618 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-10-13 19:39:33,618 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2019-10-13 19:39:33,619 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-13 19:39:33,619 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-13 19:39:33,619 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-13 19:39:33,619 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-10-13 19:39:33,619 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 156 180) no Hoare annotation was computed. [2019-10-13 19:39:33,619 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-10-13 19:39:33,620 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-10-13 19:39:33,620 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2019-10-13 19:39:33,620 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:33,620 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:33,620 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-10-13 19:39:33,621 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:33,621 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2019-10-13 19:39:33,621 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2019-10-13 19:39:33,621 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) 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 19:39:33,621 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-13 19:39:33,621 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~systemActive~0 |old(~systemActive~0)|) (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:33,622 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-13 19:39:33,622 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~systemActive~0 |old(~systemActive~0)|) (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:33,622 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-13 19:39:33,622 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-13 19:39:33,622 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~systemActive~0 |old(~systemActive~0)|) (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:33,622 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 19:39:33,622 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 19:39:33,623 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~systemActive~0 |old(~systemActive~0)|) (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:33,623 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~systemActive~0 |old(~systemActive~0)|) (= 1 ~waterLevel~0)) (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:33,623 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 19:39:33,623 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-13 19:39:33,623 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-13 19:39:33,623 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:33,623 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 848) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point L828-1(lines 828 848) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 814 859) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 814 859) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 814 859) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 841) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 522 530) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 522 530) the Hoare annotation is: true [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 522 530) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 490 512) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 490 512) no Hoare annotation was computed. [2019-10-13 19:39:33,624 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 490 512) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 506) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 409 418) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 409 418) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 409 418) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 810) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 711 813) no Hoare annotation was computed. [2019-10-13 19:39:33,625 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 766) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point L760-2(lines 760 780) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point L781(lines 759 782) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 711 813) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 756) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point L761(lines 760 780) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-13 19:39:33,626 INFO L443 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2019-10-13 19:39:33,627 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 798) no Hoare annotation was computed. [2019-10-13 19:39:33,627 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 711 813) no Hoare annotation was computed. [2019-10-13 19:39:33,627 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-13 19:39:33,627 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-10-13 19:39:33,627 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:33,627 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~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~string69.offset| |old(#t~string69.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)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-10-13 19:39:33,628 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:33,628 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 181 188) no Hoare annotation was computed. [2019-10-13 19:39:33,628 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 181 188) no Hoare annotation was computed. [2019-10-13 19:39:33,628 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 181 188) no Hoare annotation was computed. [2019-10-13 19:39:33,628 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 513 521) the Hoare annotation is: true [2019-10-13 19:39:33,628 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 513 521) no Hoare annotation was computed. [2019-10-13 19:39:33,628 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 513 521) no Hoare annotation was computed. [2019-10-13 19:39:33,629 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 469 480) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:39:33,629 INFO L443 ceAbstractionStarter]: For program point L473-1(lines 469 480) no Hoare annotation was computed. [2019-10-13 19:39:33,629 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 469 480) no Hoare annotation was computed. [2019-10-13 19:39:33,629 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:33,629 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:33,629 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:33,629 INFO L443 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2019-10-13 19:39:33,630 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) .cse2)) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-13 19:39:33,630 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2019-10-13 19:39:33,630 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) .cse2)) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-13 19:39:33,630 INFO L439 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:33,630 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2019-10-13 19:39:33,630 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-13 19:39:33,631 INFO L446 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2019-10-13 19:39:33,631 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2019-10-13 19:39:33,631 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-13 19:39:33,631 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2019-10-13 19:39:33,631 INFO L446 ceAbstractionStarter]: At program point L307(lines 282 311) the Hoare annotation is: true [2019-10-13 19:39:33,631 INFO L443 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2019-10-13 19:39:33,631 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2019-10-13 19:39:33,631 INFO L446 ceAbstractionStarter]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2019-10-13 19:39:33,631 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-10-13 19:39:33,632 INFO L446 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2019-10-13 19:39:33,632 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 481 489) no Hoare annotation was computed. [2019-10-13 19:39:33,632 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 481 489) no Hoare annotation was computed. [2019-10-13 19:39:33,632 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 481 489) no Hoare annotation was computed. [2019-10-13 19:39:33,632 INFO L443 ceAbstractionStarter]: For program point L449-1(lines 445 456) no Hoare annotation was computed. [2019-10-13 19:39:33,632 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 445 456) the Hoare annotation is: true [2019-10-13 19:39:33,632 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 445 456) no Hoare annotation was computed. [2019-10-13 19:39:33,632 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2019-10-13 19:39:33,633 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2019-10-13 19:39:33,633 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:33,633 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:39:33,633 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:33,633 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:33,633 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2019-10-13 19:39:33,633 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 |old(~systemActive~0)|)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:39:33,633 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2019-10-13 19:39:33,634 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 457 468) no Hoare annotation was computed. [2019-10-13 19:39:33,634 INFO L443 ceAbstractionStarter]: For program point L461-1(lines 457 468) no Hoare annotation was computed. [2019-10-13 19:39:33,634 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 457 468) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2019-10-13 19:39:33,634 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 532 539) no Hoare annotation was computed. [2019-10-13 19:39:33,634 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 532 539) the Hoare annotation is: true [2019-10-13 19:39:33,634 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-10-13 19:39:33,635 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 532 539) no Hoare annotation was computed. [2019-10-13 19:39:33,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:33 BoogieIcfgContainer [2019-10-13 19:39:33,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:33,652 INFO L168 Benchmark]: Toolchain (without parser) took 30976.77 ms. Allocated memory was 145.2 MB in the beginning and 554.7 MB in the end (delta: 409.5 MB). Free memory was 100.5 MB in the beginning and 215.5 MB in the end (delta: -115.0 MB). Peak memory consumption was 416.6 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:33,653 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:33,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.02 ms. Allocated memory was 145.2 MB in the beginning and 199.8 MB in the end (delta: 54.5 MB). Free memory was 100.3 MB in the beginning and 168.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:33,655 INFO L168 Benchmark]: Boogie Preprocessor took 96.41 ms. Allocated memory is still 199.8 MB. Free memory was 168.9 MB in the beginning and 164.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:33,656 INFO L168 Benchmark]: RCFGBuilder took 1287.17 ms. Allocated memory was 199.8 MB in the beginning and 233.8 MB in the end (delta: 34.1 MB). Free memory was 164.9 MB in the beginning and 200.7 MB in the end (delta: -35.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:33,657 INFO L168 Benchmark]: TraceAbstraction took 28925.71 ms. Allocated memory was 233.8 MB in the beginning and 554.7 MB in the end (delta: 320.9 MB). Free memory was 199.2 MB in the beginning and 224.2 MB in the end (delta: -24.9 MB). Peak memory consumption was 426.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:33,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.02 ms. Allocated memory was 145.2 MB in the beginning and 199.8 MB in the end (delta: 54.5 MB). Free memory was 100.3 MB in the beginning and 168.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.41 ms. Allocated memory is still 199.8 MB. Free memory was 168.9 MB in the beginning and 164.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1287.17 ms. Allocated memory was 199.8 MB in the beginning and 233.8 MB in the end (delta: 34.1 MB). Free memory was 164.9 MB in the beginning and 200.7 MB in the end (delta: -35.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28925.71 ms. Allocated memory was 233.8 MB in the beginning and 554.7 MB in the end (delta: 320.9 MB). Free memory was 199.2 MB in the beginning and 224.2 MB in the end (delta: -24.9 MB). Peak memory consumption was 426.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: 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: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && 0 == splverifierCounter) && systemActive == \old(systemActive)) && 1 == waterLevel)) || !(\old(systemActive) == 1)) || (((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Result: SAFE, OverallTime: 28.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, HoareTripleCheckerStatistics: 518 SDtfs, 980 SDslu, 425 SDs, 0 SdLazy, 2563 SolverSat, 663 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 48227 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9929 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 138375 SizeOfPredicates, 3 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 61/64 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...