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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:11,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:11,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:11,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:11,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:11,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:11,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:11,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:11,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:11,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:11,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:11,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:11,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:11,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:11,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:11,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:11,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:11,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:11,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:11,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:11,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:11,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:11,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:11,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:11,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:11,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:11,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:11,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:11,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:11,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:11,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:11,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:11,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:11,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:11,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:11,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:11,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:11,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:11,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:11,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:11,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:11,702 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 21:21:11,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:11,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:11,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:11,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:11,725 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:11,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:11,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:11,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:11,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:11,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:11,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:11,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:11,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:11,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:11,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:11,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:11,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:11,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:11,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:11,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:11,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:11,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:11,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:11,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:11,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:11,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:11,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:11,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:11,730 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 21:21:12,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:12,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:12,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:12,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:12,033 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:12,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2019-10-13 21:21:12,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5059654de/0aa84219e62b4279b654e277d4dfa197/FLAGfc1e0d06b [2019-10-13 21:21:12,663 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:12,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2019-10-13 21:21:12,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5059654de/0aa84219e62b4279b654e277d4dfa197/FLAGfc1e0d06b [2019-10-13 21:21:12,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5059654de/0aa84219e62b4279b654e277d4dfa197 [2019-10-13 21:21:12,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:12,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:12,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:12,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:12,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:12,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:12" (1/1) ... [2019-10-13 21:21:12,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afe3c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:12, skipping insertion in model container [2019-10-13 21:21:12,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:12" (1/1) ... [2019-10-13 21:21:12,980 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:13,028 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:13,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:13,521 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:13,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:13,640 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:13,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13 WrapperNode [2019-10-13 21:21:13,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:13,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:13,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:13,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:13,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (1/1) ... [2019-10-13 21:21:13,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (1/1) ... [2019-10-13 21:21:13,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (1/1) ... [2019-10-13 21:21:13,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (1/1) ... [2019-10-13 21:21:13,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (1/1) ... [2019-10-13 21:21:13,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (1/1) ... [2019-10-13 21:21:13,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (1/1) ... [2019-10-13 21:21:13,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:13,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:13,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:13,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:13,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (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 21:21:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:13,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:14,896 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:14,896 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:14,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:14 BoogieIcfgContainer [2019-10-13 21:21:14,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:14,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:14,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:14,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:14,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:12" (1/3) ... [2019-10-13 21:21:14,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3ae1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:14, skipping insertion in model container [2019-10-13 21:21:14,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:13" (2/3) ... [2019-10-13 21:21:14,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3ae1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:14, skipping insertion in model container [2019-10-13 21:21:14,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:14" (3/3) ... [2019-10-13 21:21:14,910 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2019-10-13 21:21:14,920 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:14,929 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:14,941 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:14,974 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:14,974 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:14,974 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:14,975 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:14,975 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:14,975 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:14,975 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:14,976 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-10-13 21:21:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:15,009 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:15,010 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:15,012 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:15,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:15,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2019-10-13 21:21:15,028 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:15,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139394012] [2019-10-13 21:21:15,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:15,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:15,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:15,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139394012] [2019-10-13 21:21:15,382 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:15,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:15,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118775128] [2019-10-13 21:21:15,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:15,392 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:15,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:15,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:15,409 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2019-10-13 21:21:15,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:15,448 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2019-10-13 21:21:15,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:15,450 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:15,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:15,463 INFO L225 Difference]: With dead ends: 230 [2019-10-13 21:21:15,464 INFO L226 Difference]: Without dead ends: 115 [2019-10-13 21:21:15,469 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 21:21:15,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-13 21:21:15,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-13 21:21:15,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-13 21:21:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2019-10-13 21:21:15,531 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2019-10-13 21:21:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:15,532 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2019-10-13 21:21:15,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2019-10-13 21:21:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:15,537 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:15,537 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:15,537 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:15,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:15,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2019-10-13 21:21:15,538 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:15,538 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984785182] [2019-10-13 21:21:15,539 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:15,539 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:15,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:15,683 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984785182] [2019-10-13 21:21:15,684 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:15,684 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:15,684 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478341722] [2019-10-13 21:21:15,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:15,688 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:15,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:15,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:15,689 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 3 states. [2019-10-13 21:21:15,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:15,740 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2019-10-13 21:21:15,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:15,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:15,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:15,745 INFO L225 Difference]: With dead ends: 175 [2019-10-13 21:21:15,746 INFO L226 Difference]: Without dead ends: 106 [2019-10-13 21:21:15,747 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 21:21:15,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-13 21:21:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-13 21:21:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-13 21:21:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-10-13 21:21:15,770 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2019-10-13 21:21:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:15,776 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-10-13 21:21:15,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-10-13 21:21:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 21:21:15,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:15,782 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:15,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:15,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:15,782 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2019-10-13 21:21:15,783 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:15,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477918986] [2019-10-13 21:21:15,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:15,786 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:15,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:15,982 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477918986] [2019-10-13 21:21:15,983 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:15,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:15,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454572737] [2019-10-13 21:21:15,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:15,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:15,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:15,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:15,987 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2019-10-13 21:21:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:16,287 INFO L93 Difference]: Finished difference Result 188 states and 221 transitions. [2019-10-13 21:21:16,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:16,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-13 21:21:16,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:16,290 INFO L225 Difference]: With dead ends: 188 [2019-10-13 21:21:16,291 INFO L226 Difference]: Without dead ends: 106 [2019-10-13 21:21:16,292 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 21:21:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-13 21:21:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-13 21:21:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-13 21:21:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2019-10-13 21:21:16,305 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2019-10-13 21:21:16,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:16,306 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2019-10-13 21:21:16,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2019-10-13 21:21:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 21:21:16,308 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:16,308 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:16,309 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:16,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:16,309 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2019-10-13 21:21:16,309 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:16,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885933205] [2019-10-13 21:21:16,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:16,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885933205] [2019-10-13 21:21:16,435 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:16,435 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:16,435 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092573174] [2019-10-13 21:21:16,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:16,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:16,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:16,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:16,437 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 5 states. [2019-10-13 21:21:16,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:16,891 INFO L93 Difference]: Finished difference Result 288 states and 345 transitions. [2019-10-13 21:21:16,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:16,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-13 21:21:16,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:16,894 INFO L225 Difference]: With dead ends: 288 [2019-10-13 21:21:16,895 INFO L226 Difference]: Without dead ends: 206 [2019-10-13 21:21:16,896 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:16,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-10-13 21:21:16,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 187. [2019-10-13 21:21:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-13 21:21:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2019-10-13 21:21:16,921 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2019-10-13 21:21:16,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:16,922 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2019-10-13 21:21:16,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2019-10-13 21:21:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 21:21:16,924 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:16,925 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:16,925 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:16,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:16,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2019-10-13 21:21:16,926 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:16,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456792419] [2019-10-13 21:21:16,926 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,926 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:17,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456792419] [2019-10-13 21:21:17,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:17,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:17,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562882395] [2019-10-13 21:21:17,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:17,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:17,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:17,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:17,096 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 6 states. [2019-10-13 21:21:17,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:17,323 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2019-10-13 21:21:17,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:17,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-10-13 21:21:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:17,328 INFO L225 Difference]: With dead ends: 463 [2019-10-13 21:21:17,328 INFO L226 Difference]: Without dead ends: 300 [2019-10-13 21:21:17,330 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-13 21:21:17,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 296. [2019-10-13 21:21:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-10-13 21:21:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 344 transitions. [2019-10-13 21:21:17,368 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 344 transitions. Word has length 80 [2019-10-13 21:21:17,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:17,369 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 344 transitions. [2019-10-13 21:21:17,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 344 transitions. [2019-10-13 21:21:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:17,375 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:17,376 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:17,376 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:17,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:17,376 INFO L82 PathProgramCache]: Analyzing trace with hash 452882261, now seen corresponding path program 1 times [2019-10-13 21:21:17,377 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:17,377 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833659393] [2019-10-13 21:21:17,377 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,377 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:17,554 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833659393] [2019-10-13 21:21:17,555 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:17,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:17,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572366691] [2019-10-13 21:21:17,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:17,556 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:17,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:17,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:17,557 INFO L87 Difference]: Start difference. First operand 296 states and 344 transitions. Second operand 6 states. [2019-10-13 21:21:17,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:17,754 INFO L93 Difference]: Finished difference Result 617 states and 744 transitions. [2019-10-13 21:21:17,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:17,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-13 21:21:17,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:17,759 INFO L225 Difference]: With dead ends: 617 [2019-10-13 21:21:17,759 INFO L226 Difference]: Without dead ends: 454 [2019-10-13 21:21:17,761 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 21:21:17,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-13 21:21:17,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 436. [2019-10-13 21:21:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2019-10-13 21:21:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 517 transitions. [2019-10-13 21:21:17,800 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 517 transitions. Word has length 84 [2019-10-13 21:21:17,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:17,801 INFO L462 AbstractCegarLoop]: Abstraction has 436 states and 517 transitions. [2019-10-13 21:21:17,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 517 transitions. [2019-10-13 21:21:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:17,803 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:17,804 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:17,804 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:17,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:17,804 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2019-10-13 21:21:17,805 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:17,805 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558150544] [2019-10-13 21:21:17,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:17,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558150544] [2019-10-13 21:21:17,893 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:17,893 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:17,893 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260175747] [2019-10-13 21:21:17,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:17,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:17,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:17,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:17,895 INFO L87 Difference]: Start difference. First operand 436 states and 517 transitions. Second operand 5 states. [2019-10-13 21:21:17,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:17,930 INFO L93 Difference]: Finished difference Result 749 states and 906 transitions. [2019-10-13 21:21:17,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:17,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-10-13 21:21:17,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:17,934 INFO L225 Difference]: With dead ends: 749 [2019-10-13 21:21:17,935 INFO L226 Difference]: Without dead ends: 446 [2019-10-13 21:21:17,936 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:17,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2019-10-13 21:21:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 440. [2019-10-13 21:21:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-10-13 21:21:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 520 transitions. [2019-10-13 21:21:17,966 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 520 transitions. Word has length 84 [2019-10-13 21:21:17,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:17,966 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 520 transitions. [2019-10-13 21:21:17,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 520 transitions. [2019-10-13 21:21:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:17,969 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:17,969 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:17,969 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:17,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:17,970 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2019-10-13 21:21:17,970 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:17,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371541484] [2019-10-13 21:21:17,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,971 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:18,114 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371541484] [2019-10-13 21:21:18,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:18,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:18,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801309104] [2019-10-13 21:21:18,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:18,116 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:18,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:18,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:18,116 INFO L87 Difference]: Start difference. First operand 440 states and 520 transitions. Second operand 9 states. [2019-10-13 21:21:18,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:18,185 INFO L93 Difference]: Finished difference Result 837 states and 1008 transitions. [2019-10-13 21:21:18,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:18,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2019-10-13 21:21:18,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:18,189 INFO L225 Difference]: With dead ends: 837 [2019-10-13 21:21:18,189 INFO L226 Difference]: Without dead ends: 421 [2019-10-13 21:21:18,192 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:18,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-13 21:21:18,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2019-10-13 21:21:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-10-13 21:21:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 488 transitions. [2019-10-13 21:21:18,229 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 488 transitions. Word has length 84 [2019-10-13 21:21:18,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:18,230 INFO L462 AbstractCegarLoop]: Abstraction has 415 states and 488 transitions. [2019-10-13 21:21:18,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 488 transitions. [2019-10-13 21:21:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-13 21:21:18,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:18,252 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:18,253 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:18,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:18,253 INFO L82 PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times [2019-10-13 21:21:18,253 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:18,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081047080] [2019-10-13 21:21:18,254 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:18,254 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:18,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:18,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081047080] [2019-10-13 21:21:18,435 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:18,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:18,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639216104] [2019-10-13 21:21:18,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:18,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:18,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:18,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:18,439 INFO L87 Difference]: Start difference. First operand 415 states and 488 transitions. Second operand 10 states. [2019-10-13 21:21:18,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:18,772 INFO L93 Difference]: Finished difference Result 807 states and 954 transitions. [2019-10-13 21:21:18,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:18,772 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2019-10-13 21:21:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:18,773 INFO L225 Difference]: With dead ends: 807 [2019-10-13 21:21:18,773 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:18,776 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:18,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:18,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:18,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-10-13 21:21:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:18,778 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:18,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:18,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:18,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:19,356 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2019-10-13 21:21:19,842 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2019-10-13 21:21:20,310 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-10-13 21:21:20,751 INFO L443 ceAbstractionStarter]: For program point L479(lines 456 480) no Hoare annotation was computed. [2019-10-13 21:21:20,751 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2019-10-13 21:21:20,751 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 467) no Hoare annotation was computed. [2019-10-13 21:21:20,751 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2019-10-13 21:21:20,752 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 21:21:20,752 INFO L443 ceAbstractionStarter]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2019-10-13 21:21:20,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2019-10-13 21:21:20,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2019-10-13 21:21:20,752 INFO L443 ceAbstractionStarter]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2019-10-13 21:21:20,752 INFO L443 ceAbstractionStarter]: For program point L540(lines 513 541) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point L533-1(line 533) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2019-10-13 21:21:20,753 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-13 21:21:20,754 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2019-10-13 21:21:20,754 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2019-10-13 21:21:20,754 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2019-10-13 21:21:20,754 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2019-10-13 21:21:20,754 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2019-10-13 21:21:20,754 INFO L439 ceAbstractionStarter]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,755 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,755 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2019-10-13 21:21:20,755 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2019-10-13 21:21:20,755 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,755 INFO L439 ceAbstractionStarter]: At program point L200-1(line 200) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,756 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 205) no Hoare annotation was computed. [2019-10-13 21:21:20,756 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2019-10-13 21:21:20,756 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 21:21:20,756 INFO L439 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,756 INFO L439 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,756 INFO L443 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2019-10-13 21:21:20,757 INFO L443 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-13 21:21:20,758 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2019-10-13 21:21:20,759 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2019-10-13 21:21:20,759 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2019-10-13 21:21:20,759 INFO L443 ceAbstractionStarter]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2019-10-13 21:21:20,759 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-10-13 21:21:20,759 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-10-13 21:21:20,759 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-10-13 21:21:20,759 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2019-10-13 21:21:20,760 INFO L443 ceAbstractionStarter]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2019-10-13 21:21:20,760 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2019-10-13 21:21:20,760 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 331) no Hoare annotation was computed. [2019-10-13 21:21:20,760 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2019-10-13 21:21:20,760 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2019-10-13 21:21:20,760 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2019-10-13 21:21:20,760 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2019-10-13 21:21:20,760 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2019-10-13 21:21:20,761 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2019-10-13 21:21:20,761 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2019-10-13 21:21:20,761 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 726) no Hoare annotation was computed. [2019-10-13 21:21:20,761 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2019-10-13 21:21:20,761 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 733) no Hoare annotation was computed. [2019-10-13 21:21:20,761 INFO L443 ceAbstractionStarter]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2019-10-13 21:21:20,761 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2019-10-13 21:21:20,762 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,762 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2019-10-13 21:21:20,762 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2019-10-13 21:21:20,762 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2019-10-13 21:21:20,762 INFO L443 ceAbstractionStarter]: For program point L301(line 301) no Hoare annotation was computed. [2019-10-13 21:21:20,762 INFO L443 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2019-10-13 21:21:20,763 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2019-10-13 21:21:20,763 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2019-10-13 21:21:20,764 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:21:20,764 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:20,764 INFO L439 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 21:21:20,764 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:21:20,764 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:21:20,764 INFO L439 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (let ((.cse1 (= ~pumpRunning~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 processEnvironment_~tmp~2) .cse1) .cse0)))) [2019-10-13 21:21:20,765 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-10-13 21:21:20,765 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:20,765 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-10-13 21:21:20,765 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-10-13 21:21:20,765 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2019-10-13 21:21:20,765 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2019-10-13 21:21:20,765 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,766 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-13 21:21:20,766 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:20,766 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-13 21:21:20,766 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:20,766 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:21:20,766 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-13 21:21:20,767 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:20,767 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:21:20,767 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:21:20,767 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 21:21:20,767 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 21:21:20,767 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:21:20,768 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:21:20,768 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-13 21:21:20,768 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:20,768 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:21:20,768 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 680) no Hoare annotation was computed. [2019-10-13 21:21:20,768 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 687) no Hoare annotation was computed. [2019-10-13 21:21:20,768 INFO L443 ceAbstractionStarter]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2019-10-13 21:21:20,768 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2019-10-13 21:21:20,769 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2019-10-13 21:21:20,769 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2019-10-13 21:21:20,769 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 854) no Hoare annotation was computed. [2019-10-13 21:21:20,769 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2019-10-13 21:21:20,769 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-10-13 21:21:20,769 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-10-13 21:21:20,769 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 578) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 649) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 605) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point L620(lines 598 621) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2019-10-13 21:21:20,770 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 595) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 646) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point L600(lines 599 619) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 637) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-13 21:21:20,771 INFO L443 ceAbstractionStarter]: For program point L615-1(line 615) no Hoare annotation was computed. [2019-10-13 21:21:20,772 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2019-10-13 21:21:20,772 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2019-10-13 21:21:20,772 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2019-10-13 21:21:20,772 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:20,772 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:20,772 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:20,772 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2019-10-13 21:21:20,772 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2019-10-13 21:21:20,773 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 21:21:20,773 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2019-10-13 21:21:20,773 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 365) no Hoare annotation was computed. [2019-10-13 21:21:20,773 INFO L446 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2019-10-13 21:21:20,773 INFO L443 ceAbstractionStarter]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2019-10-13 21:21:20,773 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-13 21:21:20,773 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2019-10-13 21:21:20,773 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2019-10-13 21:21:20,774 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-10-13 21:21:20,774 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2019-10-13 21:21:20,774 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-10-13 21:21:20,774 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2019-10-13 21:21:20,774 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-10-13 21:21:20,774 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2019-10-13 21:21:20,774 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:20,774 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:20,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:20,775 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 1) .cse1) (or .cse2 .cse3 .cse4 .cse1) (or .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse0 .cse1 .cse6) (or .cse2 .cse3 .cse0 .cse1) (or .cse4 (= ~pumpRunning~0 0) .cse1))) [2019-10-13 21:21:20,775 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0) (or (not (= ~waterLevel~0 2)) (= |old(~waterLevel~0)| 2) .cse1 .cse0) (or .cse1 (= 1 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:20,775 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2019-10-13 21:21:20,775 INFO L439 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and .cse2 (= ~pumpRunning~0 0)) .cse3 .cse1 .cse0) (or (= |old(~waterLevel~0)| 2) .cse3 .cse2 .cse1) (or .cse3 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 21:21:20,775 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2019-10-13 21:21:20,776 INFO L439 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 1) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2019-10-13 21:21:20,776 INFO L443 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2019-10-13 21:21:20,776 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2019-10-13 21:21:20,776 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 131) no Hoare annotation was computed. [2019-10-13 21:21:20,776 INFO L446 ceAbstractionStarter]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2019-10-13 21:21:20,776 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2019-10-13 21:21:20,776 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 21:21:20,777 INFO L446 ceAbstractionStarter]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2019-10-13 21:21:20,777 INFO L446 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: true [2019-10-13 21:21:20,777 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-13 21:21:20,777 INFO L446 ceAbstractionStarter]: At program point L138(lines 113 142) the Hoare annotation is: true [2019-10-13 21:21:20,777 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-13 21:21:20,777 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-10-13 21:21:20,778 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2019-10-13 21:21:20,778 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-10-13 21:21:20,778 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 773) no Hoare annotation was computed. [2019-10-13 21:21:20,778 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-13 21:21:20,778 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2019-10-13 21:21:20,778 INFO L443 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2019-10-13 21:21:20,778 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 776) no Hoare annotation was computed. [2019-10-13 21:21:20,778 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2019-10-13 21:21:20,779 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2019-10-13 21:21:20,779 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-10-13 21:21:20,779 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-10-13 21:21:20,779 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 777) no Hoare annotation was computed. [2019-10-13 21:21:20,779 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-10-13 21:21:20,779 INFO L443 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2019-10-13 21:21:20,780 INFO L439 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-13 21:21:20,780 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-13 21:21:20,780 INFO L443 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2019-10-13 21:21:20,780 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-10-13 21:21:20,780 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2019-10-13 21:21:20,780 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2019-10-13 21:21:20,780 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:20,781 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:21:20,781 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:20,781 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:20,781 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2019-10-13 21:21:20,781 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1))) [2019-10-13 21:21:20,781 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2019-10-13 21:21:20,782 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-10-13 21:21:20,782 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2019-10-13 21:21:20,782 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~waterLevel~0 2))) (.cse1 (= |old(~waterLevel~0)| 2)) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse6 .cse3 .cse5))) [2019-10-13 21:21:20,782 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-10-13 21:21:20,782 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2019-10-13 21:21:20,783 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2019-10-13 21:21:20,783 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2019-10-13 21:21:20,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:20 BoogieIcfgContainer [2019-10-13 21:21:20,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:20,810 INFO L168 Benchmark]: Toolchain (without parser) took 7841.42 ms. Allocated memory was 142.6 MB in the beginning and 327.2 MB in the end (delta: 184.5 MB). Free memory was 99.7 MB in the beginning and 272.1 MB in the end (delta: -172.4 MB). Peak memory consumption was 171.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:20,811 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:20,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.86 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 99.5 MB in the beginning and 170.6 MB in the end (delta: -71.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:20,813 INFO L168 Benchmark]: Boogie Preprocessor took 96.89 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:20,814 INFO L168 Benchmark]: RCFGBuilder took 1159.96 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 166.3 MB in the beginning and 198.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:20,817 INFO L168 Benchmark]: TraceAbstraction took 5902.40 ms. Allocated memory was 230.2 MB in the beginning and 327.2 MB in the end (delta: 97.0 MB). Free memory was 198.7 MB in the beginning and 272.1 MB in the end (delta: -73.3 MB). Peak memory consumption was 182.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:20,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.86 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 99.5 MB in the beginning and 170.6 MB in the end (delta: -71.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.89 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1159.96 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 166.3 MB in the beginning and 198.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5902.40 ms. Allocated memory was 230.2 MB in the beginning and 327.2 MB in the end (delta: 97.0 MB). Free memory was 198.7 MB in the beginning and 272.1 MB in the end (delta: -73.3 MB). Peak memory consumption was 182.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((1 == systemActive && !(waterLevel == 2)) && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, HoareTripleCheckerStatistics: 1201 SDtfs, 549 SDslu, 3722 SDs, 0 SdLazy, 632 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=440occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 53 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 788 PreInvPairs, 844 NumberOfFragments, 955 HoareAnnotationTreeSize, 788 FomulaSimplifications, 660 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 3096 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 73440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...