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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:35,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:35,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:35,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:35,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:35,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:35,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:35,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:35,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:35,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:35,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:35,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:35,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:35,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:35,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:35,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:35,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:35,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:35,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:35,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:35,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:35,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:35,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:35,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:35,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:35,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:35,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:35,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:35,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:35,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:35,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:35,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:35,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:35,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:35,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:35,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:35,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:35,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:35,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:35,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:35,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:35,763 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 21:22:35,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:35,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:35,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:35,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:35,798 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:35,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:35,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:35,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:35,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:35,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:35,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:35,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:35,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:35,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:35,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:35,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:35,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:35,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:35,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:35,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:35,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:35,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:35,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:35,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:35,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:35,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:35,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:35,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:35,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:36,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:36,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:36,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:36,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:36,084 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:36,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-10-13 21:22:36,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da13da56b/d25cf869c24f4bf39bc8bac049789a2d/FLAG32456e975 [2019-10-13 21:22:36,694 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:36,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-10-13 21:22:36,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da13da56b/d25cf869c24f4bf39bc8bac049789a2d/FLAG32456e975 [2019-10-13 21:22:36,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da13da56b/d25cf869c24f4bf39bc8bac049789a2d [2019-10-13 21:22:36,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:36,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:36,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:36,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:36,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:36,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:36" (1/1) ... [2019-10-13 21:22:37,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37, skipping insertion in model container [2019-10-13 21:22:37,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:36" (1/1) ... [2019-10-13 21:22:37,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:37,055 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:37,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:37,461 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:37,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:37,574 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:37,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37 WrapperNode [2019-10-13 21:22:37,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:37,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:37,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:37,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:37,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:37,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:37,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:37,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:37,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (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 21:22:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:38,773 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:38,774 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:38,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:38 BoogieIcfgContainer [2019-10-13 21:22:38,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:38,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:38,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:38,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:38,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:36" (1/3) ... [2019-10-13 21:22:38,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb33505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:38, skipping insertion in model container [2019-10-13 21:22:38,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (2/3) ... [2019-10-13 21:22:38,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb33505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:38, skipping insertion in model container [2019-10-13 21:22:38,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:38" (3/3) ... [2019-10-13 21:22:38,788 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2019-10-13 21:22:38,798 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:38,807 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:38,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:38,857 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:38,857 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:38,857 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:38,857 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:38,858 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:38,858 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:38,858 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:38,858 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2019-10-13 21:22:38,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:38,900 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:38,901 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:38,903 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:38,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:38,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1963515353, now seen corresponding path program 1 times [2019-10-13 21:22:38,918 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:38,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639462939] [2019-10-13 21:22:38,919 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:38,919 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:38,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:39,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639462939] [2019-10-13 21:22:39,268 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:39,269 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:39,269 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037615331] [2019-10-13 21:22:39,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:39,275 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:39,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:39,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:39,292 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2019-10-13 21:22:39,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:39,338 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2019-10-13 21:22:39,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:39,340 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:39,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:39,353 INFO L225 Difference]: With dead ends: 244 [2019-10-13 21:22:39,354 INFO L226 Difference]: Without dead ends: 124 [2019-10-13 21:22:39,358 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:39,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-13 21:22:39,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-10-13 21:22:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-13 21:22:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2019-10-13 21:22:39,411 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2019-10-13 21:22:39,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:39,412 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2019-10-13 21:22:39,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2019-10-13 21:22:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:39,416 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:39,416 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:39,417 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:39,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:39,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1851002156, now seen corresponding path program 1 times [2019-10-13 21:22:39,417 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:39,418 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089969948] [2019-10-13 21:22:39,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:39,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089969948] [2019-10-13 21:22:39,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:39,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:39,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614735957] [2019-10-13 21:22:39,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:39,621 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:39,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:39,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:39,622 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 7 states. [2019-10-13 21:22:40,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:40,159 INFO L93 Difference]: Finished difference Result 381 states and 471 transitions. [2019-10-13 21:22:40,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:40,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:40,174 INFO L225 Difference]: With dead ends: 381 [2019-10-13 21:22:40,174 INFO L226 Difference]: Without dead ends: 285 [2019-10-13 21:22:40,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-10-13 21:22:40,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 265. [2019-10-13 21:22:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-10-13 21:22:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2019-10-13 21:22:40,260 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 64 [2019-10-13 21:22:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:40,261 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2019-10-13 21:22:40,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2019-10-13 21:22:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 21:22:40,264 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:40,264 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:40,265 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:40,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:40,267 INFO L82 PathProgramCache]: Analyzing trace with hash -230097776, now seen corresponding path program 1 times [2019-10-13 21:22:40,267 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:40,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928976026] [2019-10-13 21:22:40,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:40,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:40,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928976026] [2019-10-13 21:22:40,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:40,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:40,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159400869] [2019-10-13 21:22:40,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:40,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:40,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:40,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:40,383 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 3 states. [2019-10-13 21:22:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:40,399 INFO L93 Difference]: Finished difference Result 412 states and 496 transitions. [2019-10-13 21:22:40,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:40,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-13 21:22:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:40,403 INFO L225 Difference]: With dead ends: 412 [2019-10-13 21:22:40,403 INFO L226 Difference]: Without dead ends: 238 [2019-10-13 21:22:40,405 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:40,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-13 21:22:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2019-10-13 21:22:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-10-13 21:22:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 286 transitions. [2019-10-13 21:22:40,447 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 286 transitions. Word has length 68 [2019-10-13 21:22:40,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:40,448 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 286 transitions. [2019-10-13 21:22:40,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 286 transitions. [2019-10-13 21:22:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:40,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:40,460 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:40,460 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:40,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:40,461 INFO L82 PathProgramCache]: Analyzing trace with hash -601082987, now seen corresponding path program 1 times [2019-10-13 21:22:40,461 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:40,461 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878802670] [2019-10-13 21:22:40,461 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,461 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:40,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878802670] [2019-10-13 21:22:40,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:40,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:40,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283764840] [2019-10-13 21:22:40,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:40,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:40,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:40,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:40,601 INFO L87 Difference]: Start difference. First operand 238 states and 286 transitions. Second operand 6 states. [2019-10-13 21:22:40,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:40,833 INFO L93 Difference]: Finished difference Result 555 states and 692 transitions. [2019-10-13 21:22:40,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:40,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-10-13 21:22:40,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:40,840 INFO L225 Difference]: With dead ends: 555 [2019-10-13 21:22:40,840 INFO L226 Difference]: Without dead ends: 345 [2019-10-13 21:22:40,844 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:40,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-10-13 21:22:40,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 335. [2019-10-13 21:22:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-10-13 21:22:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 403 transitions. [2019-10-13 21:22:40,890 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 403 transitions. Word has length 70 [2019-10-13 21:22:40,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:40,891 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 403 transitions. [2019-10-13 21:22:40,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 403 transitions. [2019-10-13 21:22:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:40,894 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:40,894 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:40,894 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:40,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:40,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1418290782, now seen corresponding path program 1 times [2019-10-13 21:22:40,895 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:40,895 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143933237] [2019-10-13 21:22:40,896 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,896 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,010 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143933237] [2019-10-13 21:22:41,010 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:41,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408078025] [2019-10-13 21:22:41,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:41,011 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:41,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:41,013 INFO L87 Difference]: Start difference. First operand 335 states and 403 transitions. Second operand 4 states. [2019-10-13 21:22:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,291 INFO L93 Difference]: Finished difference Result 1228 states and 1570 transitions. [2019-10-13 21:22:41,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:41,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2019-10-13 21:22:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,298 INFO L225 Difference]: With dead ends: 1228 [2019-10-13 21:22:41,298 INFO L226 Difference]: Without dead ends: 921 [2019-10-13 21:22:41,300 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:41,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-10-13 21:22:41,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2019-10-13 21:22:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2019-10-13 21:22:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1122 transitions. [2019-10-13 21:22:41,359 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1122 transitions. Word has length 87 [2019-10-13 21:22:41,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,360 INFO L462 AbstractCegarLoop]: Abstraction has 901 states and 1122 transitions. [2019-10-13 21:22:41,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:41,360 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1122 transitions. [2019-10-13 21:22:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:41,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,363 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:41,364 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,364 INFO L82 PathProgramCache]: Analyzing trace with hash 765386145, now seen corresponding path program 1 times [2019-10-13 21:22:41,364 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227522754] [2019-10-13 21:22:41,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227522754] [2019-10-13 21:22:41,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:41,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629060714] [2019-10-13 21:22:41,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:41,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:41,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:41,466 INFO L87 Difference]: Start difference. First operand 901 states and 1122 transitions. Second operand 6 states. [2019-10-13 21:22:41,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,531 INFO L93 Difference]: Finished difference Result 1804 states and 2292 transitions. [2019-10-13 21:22:41,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:41,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-13 21:22:41,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,537 INFO L225 Difference]: With dead ends: 1804 [2019-10-13 21:22:41,537 INFO L226 Difference]: Without dead ends: 931 [2019-10-13 21:22:41,540 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2019-10-13 21:22:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2019-10-13 21:22:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2019-10-13 21:22:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1154 transitions. [2019-10-13 21:22:41,588 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1154 transitions. Word has length 87 [2019-10-13 21:22:41,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,589 INFO L462 AbstractCegarLoop]: Abstraction has 931 states and 1154 transitions. [2019-10-13 21:22:41,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1154 transitions. [2019-10-13 21:22:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:41,591 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,592 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:41,592 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,592 INFO L82 PathProgramCache]: Analyzing trace with hash -2143377757, now seen corresponding path program 1 times [2019-10-13 21:22:41,593 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042918368] [2019-10-13 21:22:41,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,731 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042918368] [2019-10-13 21:22:41,731 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:41,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790803285] [2019-10-13 21:22:41,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:41,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:41,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:41,733 INFO L87 Difference]: Start difference. First operand 931 states and 1154 transitions. Second operand 8 states. [2019-10-13 21:22:41,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,794 INFO L93 Difference]: Finished difference Result 1716 states and 2180 transitions. [2019-10-13 21:22:41,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:41,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2019-10-13 21:22:41,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,800 INFO L225 Difference]: With dead ends: 1716 [2019-10-13 21:22:41,800 INFO L226 Difference]: Without dead ends: 813 [2019-10-13 21:22:41,803 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2019-10-13 21:22:41,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2019-10-13 21:22:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2019-10-13 21:22:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 988 transitions. [2019-10-13 21:22:41,843 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 988 transitions. Word has length 87 [2019-10-13 21:22:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,844 INFO L462 AbstractCegarLoop]: Abstraction has 813 states and 988 transitions. [2019-10-13 21:22:41,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 988 transitions. [2019-10-13 21:22:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-13 21:22:41,846 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,846 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:41,846 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,847 INFO L82 PathProgramCache]: Analyzing trace with hash 858193610, now seen corresponding path program 1 times [2019-10-13 21:22:41,847 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801134443] [2019-10-13 21:22:41,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801134443] [2019-10-13 21:22:41,991 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,991 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:41,991 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274036968] [2019-10-13 21:22:41,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:41,992 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:41,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:41,993 INFO L87 Difference]: Start difference. First operand 813 states and 988 transitions. Second operand 9 states. [2019-10-13 21:22:42,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,928 INFO L93 Difference]: Finished difference Result 2235 states and 2844 transitions. [2019-10-13 21:22:42,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:42,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2019-10-13 21:22:42,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,938 INFO L225 Difference]: With dead ends: 2235 [2019-10-13 21:22:42,938 INFO L226 Difference]: Without dead ends: 1622 [2019-10-13 21:22:42,943 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:42,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2019-10-13 21:22:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1430. [2019-10-13 21:22:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1430 states. [2019-10-13 21:22:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1722 transitions. [2019-10-13 21:22:43,039 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1722 transitions. Word has length 91 [2019-10-13 21:22:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:43,041 INFO L462 AbstractCegarLoop]: Abstraction has 1430 states and 1722 transitions. [2019-10-13 21:22:43,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1722 transitions. [2019-10-13 21:22:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-13 21:22:43,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,045 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:43,045 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1244109311, now seen corresponding path program 1 times [2019-10-13 21:22:43,046 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104683449] [2019-10-13 21:22:43,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:43,188 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104683449] [2019-10-13 21:22:43,190 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580418749] [2019-10-13 21:22:43,190 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 21:22:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:43,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:43,591 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:43,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2103149179] [2019-10-13 21:22:43,940 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 135 [2019-10-13 21:22:43,984 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:43,984 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:44,057 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:44,059 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 70 root evaluator evaluations with a maximum evaluation depth of 0. Performed 70 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,064 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:44,169 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:44,170 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:44,174 INFO L553 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2019-10-13 21:22:44,175 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:44,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:44,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:44,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815532395] [2019-10-13 21:22:44,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:44,183 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,183 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:44,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:44,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:44,184 INFO L87 Difference]: Start difference. First operand 1430 states and 1722 transitions. Second operand 2 states. [2019-10-13 21:22:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,208 INFO L93 Difference]: Finished difference Result 1430 states and 1722 transitions. [2019-10-13 21:22:44,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:44,208 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-10-13 21:22:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,209 INFO L225 Difference]: With dead ends: 1430 [2019-10-13 21:22:44,209 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:44,213 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:44,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:44,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:44,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:44,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2019-10-13 21:22:44,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,214 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:44,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:44,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:44,419 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:44,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:44,840 INFO L443 ceAbstractionStarter]: For program point L254(lines 231 255) no Hoare annotation was computed. [2019-10-13 21:22:44,840 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 207 262) no Hoare annotation was computed. [2019-10-13 21:22:44,840 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 242) no Hoare annotation was computed. [2019-10-13 21:22:44,840 INFO L443 ceAbstractionStarter]: For program point L238-1(lines 238 242) no Hoare annotation was computed. [2019-10-13 21:22:44,840 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-13 21:22:44,840 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 207 262) no Hoare annotation was computed. [2019-10-13 21:22:44,840 INFO L443 ceAbstractionStarter]: For program point L232-2(lines 232 253) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 207 262) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 314) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point L315(lines 288 316) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 263 322) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 263 322) no Hoare annotation was computed. [2019-10-13 21:22:44,841 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 263 322) no Hoare annotation was computed. [2019-10-13 21:22:44,842 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 299) no Hoare annotation was computed. [2019-10-13 21:22:44,842 INFO L443 ceAbstractionStarter]: For program point L295-1(lines 295 299) no Hoare annotation was computed. [2019-10-13 21:22:44,842 INFO L443 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2019-10-13 21:22:44,842 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2019-10-13 21:22:44,842 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2019-10-13 21:22:44,842 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2019-10-13 21:22:44,842 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2019-10-13 21:22:44,843 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2019-10-13 21:22:44,843 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 899 906) the Hoare annotation is: true [2019-10-13 21:22:44,843 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 899 906) no Hoare annotation was computed. [2019-10-13 21:22:44,843 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 899 906) no Hoare annotation was computed. [2019-10-13 21:22:44,843 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-13 21:22:44,843 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 907 916) the Hoare annotation is: true [2019-10-13 21:22:44,843 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 907 916) no Hoare annotation was computed. [2019-10-13 21:22:44,844 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 907 916) no Hoare annotation was computed. [2019-10-13 21:22:44,844 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 939) no Hoare annotation was computed. [2019-10-13 21:22:44,844 INFO L446 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2019-10-13 21:22:44,844 INFO L443 ceAbstractionStarter]: For program point L927-1(line 927) no Hoare annotation was computed. [2019-10-13 21:22:44,844 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 942) no Hoare annotation was computed. [2019-10-13 21:22:44,844 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 917 945) no Hoare annotation was computed. [2019-10-13 21:22:44,844 INFO L446 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: true [2019-10-13 21:22:44,845 INFO L443 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2019-10-13 21:22:44,845 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 917 945) the Hoare annotation is: true [2019-10-13 21:22:44,845 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 917 945) no Hoare annotation was computed. [2019-10-13 21:22:44,845 INFO L446 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: true [2019-10-13 21:22:44,845 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-10-13 21:22:44,845 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 131 153) the Hoare annotation is: true [2019-10-13 21:22:44,845 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-13 21:22:44,846 INFO L446 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: true [2019-10-13 21:22:44,846 INFO L446 ceAbstractionStarter]: At program point L143-1(line 143) the Hoare annotation is: true [2019-10-13 21:22:44,846 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-10-13 21:22:44,846 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2019-10-13 21:22:44,846 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2019-10-13 21:22:44,846 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 21:22:44,846 INFO L446 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: true [2019-10-13 21:22:44,847 INFO L446 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: true [2019-10-13 21:22:44,847 INFO L446 ceAbstractionStarter]: At program point L137-1(line 137) the Hoare annotation is: true [2019-10-13 21:22:44,847 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 21:22:44,847 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-10-13 21:22:44,847 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2019-10-13 21:22:44,847 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-13 21:22:44,847 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 21:22:44,847 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 21:22:44,848 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2019-10-13 21:22:44,848 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:22:44,848 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2019-10-13 21:22:44,848 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:22:44,848 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 21:22:44,848 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 21:22:44,848 INFO L443 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-10-13 21:22:44,849 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-10-13 21:22:44,849 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 21:22:44,849 INFO L443 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-10-13 21:22:44,849 INFO L443 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2019-10-13 21:22:44,849 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 882 896) no Hoare annotation was computed. [2019-10-13 21:22:44,849 INFO L446 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: true [2019-10-13 21:22:44,849 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 892) no Hoare annotation was computed. [2019-10-13 21:22:44,849 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 882 896) the Hoare annotation is: true [2019-10-13 21:22:44,850 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 882 896) no Hoare annotation was computed. [2019-10-13 21:22:44,850 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 818 826) no Hoare annotation was computed. [2019-10-13 21:22:44,850 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 818 826) the Hoare annotation is: true [2019-10-13 21:22:44,850 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 818 826) no Hoare annotation was computed. [2019-10-13 21:22:44,850 INFO L443 ceAbstractionStarter]: For program point L834-2(lines 834 842) no Hoare annotation was computed. [2019-10-13 21:22:44,850 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-13 21:22:44,850 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-10-13 21:22:44,850 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 827 862) no Hoare annotation was computed. [2019-10-13 21:22:44,851 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 854) no Hoare annotation was computed. [2019-10-13 21:22:44,851 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2019-10-13 21:22:44,851 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 827 862) no Hoare annotation was computed. [2019-10-13 21:22:44,851 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 827 862) no Hoare annotation was computed. [2019-10-13 21:22:44,851 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 842) no Hoare annotation was computed. [2019-10-13 21:22:44,851 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2019-10-13 21:22:44,851 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2019-10-13 21:22:44,851 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 161 206) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 161 206) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 161 206) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 474 519) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point L494(lines 494 501) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 474 519) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 508) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point L488-1(lines 488 508) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 474 519) no Hoare annotation was computed. [2019-10-13 21:22:44,852 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: true [2019-10-13 21:22:44,853 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2019-10-13 21:22:44,853 INFO L446 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: true [2019-10-13 21:22:44,853 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2019-10-13 21:22:44,853 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 807 817) no Hoare annotation was computed. [2019-10-13 21:22:44,853 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-13 21:22:44,853 INFO L443 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2019-10-13 21:22:44,853 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 807 817) no Hoare annotation was computed. [2019-10-13 21:22:44,853 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 807 817) no Hoare annotation was computed. [2019-10-13 21:22:44,854 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 799 806) the Hoare annotation is: true [2019-10-13 21:22:44,854 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 799 806) no Hoare annotation was computed. [2019-10-13 21:22:44,854 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 799 806) no Hoare annotation was computed. [2019-10-13 21:22:44,854 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-13 21:22:44,854 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 708 721) no Hoare annotation was computed. [2019-10-13 21:22:44,854 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 708 721) the Hoare annotation is: true [2019-10-13 21:22:44,854 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 708 721) no Hoare annotation was computed. [2019-10-13 21:22:44,854 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 766 790) no Hoare annotation was computed. [2019-10-13 21:22:44,855 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 766 790) the Hoare annotation is: true [2019-10-13 21:22:44,855 INFO L446 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: true [2019-10-13 21:22:44,855 INFO L443 ceAbstractionStarter]: For program point L785-1(lines 766 790) no Hoare annotation was computed. [2019-10-13 21:22:44,855 INFO L446 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2019-10-13 21:22:44,855 INFO L446 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: true [2019-10-13 21:22:44,855 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 782) no Hoare annotation was computed. [2019-10-13 21:22:44,855 INFO L446 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2019-10-13 21:22:44,855 INFO L443 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2019-10-13 21:22:44,855 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 787) no Hoare annotation was computed. [2019-10-13 21:22:44,856 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 758 764) no Hoare annotation was computed. [2019-10-13 21:22:44,856 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 758 764) the Hoare annotation is: true [2019-10-13 21:22:44,856 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: true [2019-10-13 21:22:44,856 INFO L446 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: true [2019-10-13 21:22:44,856 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 609) no Hoare annotation was computed. [2019-10-13 21:22:44,856 INFO L446 ceAbstractionStarter]: At program point L603-1(lines 597 610) the Hoare annotation is: true [2019-10-13 21:22:44,856 INFO L443 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-10-13 21:22:44,856 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2019-10-13 21:22:44,857 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-10-13 21:22:44,857 INFO L446 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: true [2019-10-13 21:22:44,857 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-10-13 21:22:44,857 INFO L443 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2019-10-13 21:22:44,857 INFO L446 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: true [2019-10-13 21:22:44,857 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-10-13 21:22:44,857 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-10-13 21:22:44,857 INFO L443 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2019-10-13 21:22:44,857 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-10-13 21:22:44,858 INFO L446 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: true [2019-10-13 21:22:44,858 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2019-10-13 21:22:44,858 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 455) no Hoare annotation was computed. [2019-10-13 21:22:44,858 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 462) no Hoare annotation was computed. [2019-10-13 21:22:44,858 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 428 473) no Hoare annotation was computed. [2019-10-13 21:22:44,858 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 442 462) no Hoare annotation was computed. [2019-10-13 21:22:44,858 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 428 473) no Hoare annotation was computed. [2019-10-13 21:22:44,858 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 428 473) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 676 698) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 325 427) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 353) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 424) no Hoare annotation was computed. [2019-10-13 21:22:44,859 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point L374-2(lines 374 394) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point L395(lines 373 396) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 325 427) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 370) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 421) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point L375(lines 374 394) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point L406(line 406) no Hoare annotation was computed. [2019-10-13 21:22:44,860 INFO L443 ceAbstractionStarter]: For program point L406-1(line 406) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 412) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 325 427) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point L390(line 390) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2019-10-13 21:22:44,861 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:44,862 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:22:44,862 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:44,862 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2019-10-13 21:22:44,862 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2019-10-13 21:22:44,862 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 798) the Hoare annotation is: true [2019-10-13 21:22:44,862 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 699 707) the Hoare annotation is: true [2019-10-13 21:22:44,862 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2019-10-13 21:22:44,863 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2019-10-13 21:22:44,863 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 863 881) no Hoare annotation was computed. [2019-10-13 21:22:44,863 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 876) no Hoare annotation was computed. [2019-10-13 21:22:44,863 INFO L446 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: true [2019-10-13 21:22:44,863 INFO L443 ceAbstractionStarter]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2019-10-13 21:22:44,863 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 863 881) the Hoare annotation is: true [2019-10-13 21:22:44,863 INFO L443 ceAbstractionStarter]: For program point L870-1(line 870) no Hoare annotation was computed. [2019-10-13 21:22:44,863 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 863 881) no Hoare annotation was computed. [2019-10-13 21:22:44,863 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: true [2019-10-13 21:22:44,864 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2019-10-13 21:22:44,864 INFO L443 ceAbstractionStarter]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2019-10-13 21:22:44,864 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:44,864 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:44,864 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:44,864 INFO L443 ceAbstractionStarter]: For program point L736(lines 734 756) no Hoare annotation was computed. [2019-10-13 21:22:44,864 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 731 757) the Hoare annotation is: true [2019-10-13 21:22:44,864 INFO L446 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: true [2019-10-13 21:22:44,864 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 731 757) no Hoare annotation was computed. [2019-10-13 21:22:44,865 INFO L446 ceAbstractionStarter]: At program point L745(lines 745 751) the Hoare annotation is: true [2019-10-13 21:22:44,865 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 731 757) no Hoare annotation was computed. [2019-10-13 21:22:44,865 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-10-13 21:22:44,865 INFO L443 ceAbstractionStarter]: For program point L738(lines 734 756) no Hoare annotation was computed. [2019-10-13 21:22:44,865 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-13 21:22:44,865 INFO L446 ceAbstractionStarter]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2019-10-13 21:22:44,865 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2019-10-13 21:22:44,866 INFO L443 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2019-10-13 21:22:44,866 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2019-10-13 21:22:44,866 INFO L446 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2019-10-13 21:22:44,866 INFO L446 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2019-10-13 21:22:44,866 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-10-13 21:22:44,866 INFO L446 ceAbstractionStarter]: At program point L76(lines 51 80) the Hoare annotation is: true [2019-10-13 21:22:44,866 INFO L443 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-10-13 21:22:44,866 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 667 675) no Hoare annotation was computed. [2019-10-13 21:22:44,866 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2019-10-13 21:22:44,867 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2019-10-13 21:22:44,867 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2019-10-13 21:22:44,867 INFO L443 ceAbstractionStarter]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2019-10-13 21:22:44,867 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2019-10-13 21:22:44,867 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2019-10-13 21:22:44,867 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2019-10-13 21:22:44,867 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:44,867 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:44,868 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:44,868 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:44,868 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2019-10-13 21:22:44,868 INFO L443 ceAbstractionStarter]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2019-10-13 21:22:44,868 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: true [2019-10-13 21:22:44,868 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:22:44,868 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:44,868 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:22:44,869 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:44,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:44 BoogieIcfgContainer [2019-10-13 21:22:44,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:44,880 INFO L168 Benchmark]: Toolchain (without parser) took 7885.12 ms. Allocated memory was 146.8 MB in the beginning and 318.8 MB in the end (delta: 172.0 MB). Free memory was 103.9 MB in the beginning and 197.5 MB in the end (delta: -93.6 MB). Peak memory consumption was 186.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:44,881 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:44,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.61 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.7 MB in the beginning and 172.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:44,882 INFO L168 Benchmark]: Boogie Preprocessor took 89.69 ms. Allocated memory is still 204.5 MB. Free memory was 172.2 MB in the beginning and 167.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:44,883 INFO L168 Benchmark]: RCFGBuilder took 1112.40 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.3 MB in the beginning and 191.8 MB in the end (delta: -24.5 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:44,884 INFO L168 Benchmark]: TraceAbstraction took 6098.52 ms. Allocated memory was 234.4 MB in the beginning and 318.8 MB in the end (delta: 84.4 MB). Free memory was 191.8 MB in the beginning and 197.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 186.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:44,888 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 580.61 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.7 MB in the beginning and 172.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.69 ms. Allocated memory is still 204.5 MB. Free memory was 172.2 MB in the beginning and 167.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1112.40 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.3 MB in the beginning and 191.8 MB in the end (delta: -24.5 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6098.52 ms. Allocated memory was 234.4 MB in the beginning and 318.8 MB in the end (delta: 84.4 MB). Free memory was 191.8 MB in the beginning and 197.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 186.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 6.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1328 SDtfs, 890 SDslu, 3150 SDs, 0 SdLazy, 1100 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 166 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1430occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1717 PreInvPairs, 1721 NumberOfFragments, 62 HoareAnnotationTreeSize, 1717 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 881 NumberOfCodeBlocks, 881 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1004 ConstructedInterpolants, 0 QuantifiedInterpolants, 170502 SizeOfPredicates, 4 NumberOfNonLiveVariables, 875 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 115/138 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 124, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8872180451127819, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...