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_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:06,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:06,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:06,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:06,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:06,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:06,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:06,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:06,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:06,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:06,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:06,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:06,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:06,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:06,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:06,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:06,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:06,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:06,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:06,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:06,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:06,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:06,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:06,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:06,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:06,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:06,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:06,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:06,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:06,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:06,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:06,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:06,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:06,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:06,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:06,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:06,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:06,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:06,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:06,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:06,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:06,628 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 21:21:06,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:06,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:06,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:06,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:06,648 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:06,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:06,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:06,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:06,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:06,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:06,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:06,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:06,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:06,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:06,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:06,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:06,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:06,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:06,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:06,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:06,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:06,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:06,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:06,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:06,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:06,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:06,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:06,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:06,653 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 21:21:06,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:06,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:06,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:06,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:06,946 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:06,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-10-13 21:21:07,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f174a5818/c23e445a4b1d44baad26ccbbfb70d005/FLAG36ce54997 [2019-10-13 21:21:07,571 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:07,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-10-13 21:21:07,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f174a5818/c23e445a4b1d44baad26ccbbfb70d005/FLAG36ce54997 [2019-10-13 21:21:07,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f174a5818/c23e445a4b1d44baad26ccbbfb70d005 [2019-10-13 21:21:07,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:07,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:07,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:07,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:07,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:07,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:07" (1/1) ... [2019-10-13 21:21:07,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588a9aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:07, skipping insertion in model container [2019-10-13 21:21:07,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:07" (1/1) ... [2019-10-13 21:21:07,838 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:07,907 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:08,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:08,415 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:08,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:08,561 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:08,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08 WrapperNode [2019-10-13 21:21:08,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:08,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:08,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:08,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:08,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (1/1) ... [2019-10-13 21:21:08,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (1/1) ... [2019-10-13 21:21:08,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (1/1) ... [2019-10-13 21:21:08,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (1/1) ... [2019-10-13 21:21:08,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (1/1) ... [2019-10-13 21:21:08,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (1/1) ... [2019-10-13 21:21:08,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (1/1) ... [2019-10-13 21:21:08,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:08,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:08,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:08,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:08,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (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 21:21:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:21:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:21:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:21:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:21:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:21:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:10,036 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:10,037 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:10,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:10 BoogieIcfgContainer [2019-10-13 21:21:10,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:10,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:10,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:10,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:10,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:07" (1/3) ... [2019-10-13 21:21:10,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fadde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:10, skipping insertion in model container [2019-10-13 21:21:10,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:08" (2/3) ... [2019-10-13 21:21:10,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fadde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:10, skipping insertion in model container [2019-10-13 21:21:10,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:10" (3/3) ... [2019-10-13 21:21:10,047 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2019-10-13 21:21:10,058 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:10,067 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:10,080 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:10,113 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:10,113 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:10,113 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:10,114 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:10,114 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:10,114 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:10,115 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:10,115 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-13 21:21:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:10,158 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:10,159 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:10,162 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:10,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:10,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1299073538, now seen corresponding path program 1 times [2019-10-13 21:21:10,177 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:10,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593950176] [2019-10-13 21:21:10,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:10,530 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 21:21:10,531 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593950176] [2019-10-13 21:21:10,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:10,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:10,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336515770] [2019-10-13 21:21:10,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:10,543 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:10,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:10,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:10,571 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2019-10-13 21:21:10,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:10,665 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2019-10-13 21:21:10,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:10,667 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-13 21:21:10,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:10,694 INFO L225 Difference]: With dead ends: 306 [2019-10-13 21:21:10,695 INFO L226 Difference]: Without dead ends: 155 [2019-10-13 21:21:10,704 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 21:21:10,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-10-13 21:21:10,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-10-13 21:21:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-13 21:21:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2019-10-13 21:21:10,809 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2019-10-13 21:21:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:10,809 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2019-10-13 21:21:10,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2019-10-13 21:21:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:10,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:10,825 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 21:21:10,825 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:10,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:10,827 INFO L82 PathProgramCache]: Analyzing trace with hash -155172335, now seen corresponding path program 1 times [2019-10-13 21:21:10,827 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:10,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868436757] [2019-10-13 21:21:10,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:11,023 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 21:21:11,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868436757] [2019-10-13 21:21:11,024 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:11,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:11,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938512656] [2019-10-13 21:21:11,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:11,027 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:11,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:11,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:11,028 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2019-10-13 21:21:11,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:11,053 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-10-13 21:21:11,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:11,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 21:21:11,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:11,058 INFO L225 Difference]: With dead ends: 255 [2019-10-13 21:21:11,058 INFO L226 Difference]: Without dead ends: 146 [2019-10-13 21:21:11,060 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 21:21:11,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-13 21:21:11,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-13 21:21:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 21:21:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2019-10-13 21:21:11,078 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2019-10-13 21:21:11,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:11,079 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2019-10-13 21:21:11,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2019-10-13 21:21:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 21:21:11,081 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:11,081 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] [2019-10-13 21:21:11,082 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:11,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:11,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1504957008, now seen corresponding path program 1 times [2019-10-13 21:21:11,082 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:11,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681312173] [2019-10-13 21:21:11,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:11,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681312173] [2019-10-13 21:21:11,232 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:11,232 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:11,233 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171708277] [2019-10-13 21:21:11,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:11,234 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:11,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:11,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:11,234 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2019-10-13 21:21:11,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:11,701 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2019-10-13 21:21:11,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:11,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 21:21:11,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:11,707 INFO L225 Difference]: With dead ends: 264 [2019-10-13 21:21:11,707 INFO L226 Difference]: Without dead ends: 146 [2019-10-13 21:21:11,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 21:21:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-13 21:21:11,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-13 21:21:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 21:21:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-10-13 21:21:11,744 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2019-10-13 21:21:11,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:11,745 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-10-13 21:21:11,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:11,745 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-10-13 21:21:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-13 21:21:11,749 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:11,749 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] [2019-10-13 21:21:11,749 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:11,750 INFO L82 PathProgramCache]: Analyzing trace with hash -775636071, now seen corresponding path program 1 times [2019-10-13 21:21:11,750 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:11,750 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373119459] [2019-10-13 21:21:11,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:11,865 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 21:21:11,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373119459] [2019-10-13 21:21:11,866 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:11,866 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:11,866 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413097883] [2019-10-13 21:21:11,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:11,867 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:11,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:11,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:11,868 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2019-10-13 21:21:12,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:12,481 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2019-10-13 21:21:12,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:12,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2019-10-13 21:21:12,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:12,493 INFO L225 Difference]: With dead ends: 375 [2019-10-13 21:21:12,493 INFO L226 Difference]: Without dead ends: 257 [2019-10-13 21:21:12,495 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:12,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-10-13 21:21:12,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2019-10-13 21:21:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-10-13 21:21:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2019-10-13 21:21:12,539 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2019-10-13 21:21:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:12,539 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2019-10-13 21:21:12,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2019-10-13 21:21:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:12,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:12,541 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, 1, 1, 1] [2019-10-13 21:21:12,541 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:12,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:12,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2094752105, now seen corresponding path program 1 times [2019-10-13 21:21:12,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:12,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64359290] [2019-10-13 21:21:12,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:12,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:12,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:12,678 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 21:21:12,678 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64359290] [2019-10-13 21:21:12,679 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:12,679 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:12,679 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121726342] [2019-10-13 21:21:12,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:12,681 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:12,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:12,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:12,682 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2019-10-13 21:21:12,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:12,928 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2019-10-13 21:21:12,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:12,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-13 21:21:12,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:12,934 INFO L225 Difference]: With dead ends: 643 [2019-10-13 21:21:12,934 INFO L226 Difference]: Without dead ends: 432 [2019-10-13 21:21:12,935 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 21:21:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-10-13 21:21:12,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2019-10-13 21:21:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-13 21:21:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-10-13 21:21:12,977 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2019-10-13 21:21:12,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:12,977 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-10-13 21:21:12,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-10-13 21:21:12,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:21:12,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:12,980 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:12,980 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:12,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:12,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1169136517, now seen corresponding path program 1 times [2019-10-13 21:21:12,981 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:12,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709528763] [2019-10-13 21:21:12,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:12,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:12,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:13,109 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 21:21:13,110 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709528763] [2019-10-13 21:21:13,110 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:13,111 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:13,111 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45577680] [2019-10-13 21:21:13,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:13,112 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:13,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:13,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:13,112 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2019-10-13 21:21:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:13,830 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2019-10-13 21:21:13,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:21:13,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-10-13 21:21:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:13,835 INFO L225 Difference]: With dead ends: 853 [2019-10-13 21:21:13,835 INFO L226 Difference]: Without dead ends: 455 [2019-10-13 21:21:13,837 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:13,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-10-13 21:21:13,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2019-10-13 21:21:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-13 21:21:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2019-10-13 21:21:13,870 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2019-10-13 21:21:13,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:13,870 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2019-10-13 21:21:13,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2019-10-13 21:21:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:21:13,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:13,873 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:13,874 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:13,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:13,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1253770304, now seen corresponding path program 1 times [2019-10-13 21:21:13,874 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:13,874 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352730143] [2019-10-13 21:21:13,875 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:13,875 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:13,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:13,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352730143] [2019-10-13 21:21:13,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:13,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:13,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146885189] [2019-10-13 21:21:13,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:13,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:13,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:13,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:13,958 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2019-10-13 21:21:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:14,007 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2019-10-13 21:21:14,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:14,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-13 21:21:14,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:14,013 INFO L225 Difference]: With dead ends: 836 [2019-10-13 21:21:14,013 INFO L226 Difference]: Without dead ends: 439 [2019-10-13 21:21:14,015 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:14,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-13 21:21:14,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2019-10-13 21:21:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-13 21:21:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2019-10-13 21:21:14,055 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2019-10-13 21:21:14,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:14,056 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2019-10-13 21:21:14,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2019-10-13 21:21:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:21:14,059 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:14,062 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:14,062 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:14,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:14,062 INFO L82 PathProgramCache]: Analyzing trace with hash 685391742, now seen corresponding path program 1 times [2019-10-13 21:21:14,063 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:14,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113463187] [2019-10-13 21:21:14,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:14,165 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113463187] [2019-10-13 21:21:14,165 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:14,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:21:14,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988565012] [2019-10-13 21:21:14,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:14,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:14,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:14,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:14,167 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2019-10-13 21:21:14,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:14,219 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2019-10-13 21:21:14,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:14,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-13 21:21:14,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:14,224 INFO L225 Difference]: With dead ends: 856 [2019-10-13 21:21:14,224 INFO L226 Difference]: Without dead ends: 449 [2019-10-13 21:21:14,226 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-13 21:21:14,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2019-10-13 21:21:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-13 21:21:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2019-10-13 21:21:14,253 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2019-10-13 21:21:14,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:14,254 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2019-10-13 21:21:14,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2019-10-13 21:21:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:21:14,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:14,257 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:14,257 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:14,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:14,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1454561757, now seen corresponding path program 1 times [2019-10-13 21:21:14,258 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:14,258 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852837184] [2019-10-13 21:21:14,258 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,258 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:14,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852837184] [2019-10-13 21:21:14,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:14,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:21:14,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020121477] [2019-10-13 21:21:14,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:21:14,365 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:14,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:21:14,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:14,366 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2019-10-13 21:21:14,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:14,630 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2019-10-13 21:21:14,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:21:14,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-13 21:21:14,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:14,637 INFO L225 Difference]: With dead ends: 1306 [2019-10-13 21:21:14,637 INFO L226 Difference]: Without dead ends: 891 [2019-10-13 21:21:14,639 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:14,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2019-10-13 21:21:14,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2019-10-13 21:21:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2019-10-13 21:21:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2019-10-13 21:21:14,693 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2019-10-13 21:21:14,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:14,694 INFO L462 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2019-10-13 21:21:14,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:21:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2019-10-13 21:21:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:21:14,696 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:14,697 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:14,697 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:14,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:14,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1438503063, now seen corresponding path program 1 times [2019-10-13 21:21:14,698 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:14,698 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096198224] [2019-10-13 21:21:14,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:14,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096198224] [2019-10-13 21:21:14,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520701342] [2019-10-13 21:21:14,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:15,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:21:15,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:15,316 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:16,658 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:16,658 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:21:16,658 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128601985] [2019-10-13 21:21:16,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:16,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:16,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:16,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:21:16,661 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 8 states. [2019-10-13 21:21:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:17,001 INFO L93 Difference]: Finished difference Result 1693 states and 1993 transitions. [2019-10-13 21:21:17,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:17,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2019-10-13 21:21:17,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:17,008 INFO L225 Difference]: With dead ends: 1693 [2019-10-13 21:21:17,008 INFO L226 Difference]: Without dead ends: 845 [2019-10-13 21:21:17,012 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 206 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:21:17,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-13 21:21:17,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2019-10-13 21:21:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2019-10-13 21:21:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 974 transitions. [2019-10-13 21:21:17,070 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 974 transitions. Word has length 112 [2019-10-13 21:21:17,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:17,071 INFO L462 AbstractCegarLoop]: Abstraction has 845 states and 974 transitions. [2019-10-13 21:21:17,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 974 transitions. [2019-10-13 21:21:17,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-13 21:21:17,077 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:17,077 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:17,283 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:17,284 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:17,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:17,284 INFO L82 PathProgramCache]: Analyzing trace with hash -2045020006, now seen corresponding path program 1 times [2019-10-13 21:21:17,285 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:17,285 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080179498] [2019-10-13 21:21:17,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:17,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:21:17,514 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080179498] [2019-10-13 21:21:17,514 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812190502] [2019-10-13 21:21:17,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:21:17,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:21:17,974 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:21:18,539 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:18,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:21:18,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336518062] [2019-10-13 21:21:18,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:18,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:18,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:18,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:21:18,542 INFO L87 Difference]: Start difference. First operand 845 states and 974 transitions. Second operand 8 states. [2019-10-13 21:21:19,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:19,190 INFO L93 Difference]: Finished difference Result 1409 states and 1648 transitions. [2019-10-13 21:21:19,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:19,191 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2019-10-13 21:21:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:19,195 INFO L225 Difference]: With dead ends: 1409 [2019-10-13 21:21:19,195 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:19,201 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:21:19,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:19,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:19,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:19,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2019-10-13 21:21:19,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:19,203 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:19,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:19,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:19,409 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:19,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:20,151 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2019-10-13 21:21:21,083 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-10-13 21:21:21,390 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-10-13 21:21:22,298 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-10-13 21:21:22,518 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2019-10-13 21:21:22,891 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-10-13 21:21:23,269 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2019-10-13 21:21:23,598 INFO L443 ceAbstractionStarter]: For program point L286(lines 263 287) no Hoare annotation was computed. [2019-10-13 21:21:23,598 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 239 294) no Hoare annotation was computed. [2019-10-13 21:21:23,598 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point L270-1(lines 270 274) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point L264-2(lines 264 285) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point L321-2(lines 321 346) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point L347(lines 320 348) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2019-10-13 21:21:23,599 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-10-13 21:21:23,600 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-10-13 21:21:23,600 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2019-10-13 21:21:23,600 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2019-10-13 21:21:23,600 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-10-13 21:21:23,600 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2019-10-13 21:21:23,601 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-13 21:21:23,602 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2019-10-13 21:21:23,602 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2019-10-13 21:21:23,602 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2019-10-13 21:21:23,602 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2019-10-13 21:21:23,602 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2019-10-13 21:21:23,603 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,603 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2019-10-13 21:21:23,603 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,605 INFO L439 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,606 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2019-10-13 21:21:23,606 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2019-10-13 21:21:23,606 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2019-10-13 21:21:23,606 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-13 21:21:23,606 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,606 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,606 INFO L439 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,606 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-13 21:21:23,606 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 21:21:23,607 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-13 21:21:23,608 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-13 21:21:23,608 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 21:21:23,608 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0) (or .cse3 .cse0 .cse1))) [2019-10-13 21:21:23,608 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2019-10-13 21:21:23,608 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:23,609 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:23,610 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2019-10-13 21:21:23,610 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:23,610 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-10-13 21:21:23,610 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:23,610 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-13 21:21:23,610 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-10-13 21:21:23,610 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2019-10-13 21:21:23,611 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2019-10-13 21:21:23,611 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2019-10-13 21:21:23,611 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2019-10-13 21:21:23,611 INFO L443 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2019-10-13 21:21:23,611 INFO L446 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2019-10-13 21:21:23,611 INFO L443 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2019-10-13 21:21:23,611 INFO L443 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 964) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point L956-2(lines 956 964) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 937 972) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2019-10-13 21:21:23,612 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-13 21:21:23,613 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2019-10-13 21:21:23,613 INFO L443 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-10-13 21:21:23,613 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2019-10-13 21:21:23,613 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2019-10-13 21:21:23,613 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2019-10-13 21:21:23,613 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2019-10-13 21:21:23,613 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2019-10-13 21:21:23,613 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 193 238) no Hoare annotation was computed. [2019-10-13 21:21:23,614 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 506 551) no Hoare annotation was computed. [2019-10-13 21:21:23,615 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-10-13 21:21:23,615 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2019-10-13 21:21:23,615 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 540) no Hoare annotation was computed. [2019-10-13 21:21:23,616 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 540) no Hoare annotation was computed. [2019-10-13 21:21:23,616 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2019-10-13 21:21:23,616 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,616 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2019-10-13 21:21:23,616 INFO L439 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,616 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2019-10-13 21:21:23,616 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2019-10-13 21:21:23,617 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2019-10-13 21:21:23,617 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-13 21:21:23,617 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-13 21:21:23,617 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2019-10-13 21:21:23,617 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2019-10-13 21:21:23,617 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2019-10-13 21:21:23,617 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2019-10-13 21:21:23,617 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2019-10-13 21:21:23,618 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2019-10-13 21:21:23,618 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2019-10-13 21:21:23,618 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2019-10-13 21:21:23,618 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse4 .cse2))) [2019-10-13 21:21:23,618 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-10-13 21:21:23,618 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2019-10-13 21:21:23,618 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2019-10-13 21:21:23,619 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-13 21:21:23,619 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-13 21:21:23,619 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2019-10-13 21:21:23,619 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:23,619 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (and .cse4 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse1) (or .cse1 .cse2 .cse4))) [2019-10-13 21:21:23,619 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2019-10-13 21:21:23,620 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2019-10-13 21:21:23,620 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2019-10-13 21:21:23,620 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-10-13 21:21:23,620 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,620 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2019-10-13 21:21:23,620 INFO L439 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:23,620 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2019-10-13 21:21:23,621 INFO L439 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:23,621 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2019-10-13 21:21:23,621 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2019-10-13 21:21:23,621 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:23,621 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-10-13 21:21:23,621 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2019-10-13 21:21:23,621 INFO L439 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:23,622 INFO L439 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:23,622 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-10-13 21:21:23,622 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2019-10-13 21:21:23,622 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2019-10-13 21:21:23,622 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 487) no Hoare annotation was computed. [2019-10-13 21:21:23,622 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 494) no Hoare annotation was computed. [2019-10-13 21:21:23,622 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2019-10-13 21:21:23,623 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2019-10-13 21:21:23,623 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2019-10-13 21:21:23,623 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 460 505) no Hoare annotation was computed. [2019-10-13 21:21:23,623 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-13 21:21:23,623 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2019-10-13 21:21:23,623 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2019-10-13 21:21:23,623 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2019-10-13 21:21:23,623 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2019-10-13 21:21:23,624 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2019-10-13 21:21:23,624 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:21:23,624 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-10-13 21:21:23,624 INFO L439 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:21:23,624 INFO L443 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2019-10-13 21:21:23,624 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-10-13 21:21:23,624 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2019-10-13 21:21:23,624 INFO L446 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2019-10-13 21:21:23,625 INFO L443 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2019-10-13 21:21:23,625 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2019-10-13 21:21:23,625 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2019-10-13 21:21:23,625 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:21:23,625 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:21:23,625 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:21:23,625 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:21:23,625 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-10-13 21:21:23,626 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2019-10-13 21:21:23,626 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2019-10-13 21:21:23,626 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 714 736) no Hoare annotation was computed. [2019-10-13 21:21:23,626 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-13 21:21:23,627 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2019-10-13 21:21:23,627 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-10-13 21:21:23,627 INFO L443 ceAbstractionStarter]: For program point L407(lines 406 426) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 444) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L422-1(line 422) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 456) no Hoare annotation was computed. [2019-10-13 21:21:23,628 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-10-13 21:21:23,629 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 426) no Hoare annotation was computed. [2019-10-13 21:21:23,629 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2019-10-13 21:21:23,629 INFO L443 ceAbstractionStarter]: For program point L427(lines 405 428) no Hoare annotation was computed. [2019-10-13 21:21:23,629 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 402) no Hoare annotation was computed. [2019-10-13 21:21:23,629 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2019-10-13 21:21:23,629 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 563 572) no Hoare annotation was computed. [2019-10-13 21:21:23,629 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2019-10-13 21:21:23,631 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:23,631 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:23,631 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:23,631 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:23,631 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-13 21:21:23,632 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2019-10-13 21:21:23,632 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:23,632 INFO L439 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:21:23,632 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2019-10-13 21:21:23,632 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-10-13 21:21:23,632 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:21:23,632 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:21:23,633 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:21:23,633 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2019-10-13 21:21:23,633 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2019-10-13 21:21:23,633 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2019-10-13 21:21:23,633 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2019-10-13 21:21:23,633 INFO L446 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2019-10-13 21:21:23,633 INFO L443 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2019-10-13 21:21:23,633 INFO L443 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2019-10-13 21:21:23,633 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-13 21:21:23,634 INFO L443 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2019-10-13 21:21:23,634 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2019-10-13 21:21:23,634 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:23,636 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:23,636 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:23,636 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2019-10-13 21:21:23,636 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2019-10-13 21:21:23,636 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2019-10-13 21:21:23,637 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse7)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse4 .cse5) (or .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse2 .cse4 .cse8) (or .cse6 .cse0 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse8 .cse2 .cse0)))) [2019-10-13 21:21:23,637 INFO L439 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse9 (not .cse11)) (.cse13 (= 1 ~systemActive~0)) (.cse14 (= 0 ~methaneLevelCritical~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse8 (and .cse10 .cse17 .cse16)) (.cse7 (not .cse17)) (.cse12 (not .cse0)) (.cse6 (and .cse15 .cse16)) (.cse1 (and .cse10 .cse16)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse13 .cse10 .cse14 .cse15)) (.cse5 (and .cse13 .cse14 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse2) (or .cse10 .cse11 .cse2 .cse12 .cse3) (or .cse7 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))))) [2019-10-13 21:21:23,637 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3) (or .cse0 .cse4 .cse3 .cse5 .cse6)))) [2019-10-13 21:21:23,637 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse2)))) [2019-10-13 21:21:23,637 INFO L443 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2019-10-13 21:21:23,638 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2019-10-13 21:21:23,638 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2019-10-13 21:21:23,638 INFO L446 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2019-10-13 21:21:23,638 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2019-10-13 21:21:23,638 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-13 21:21:23,638 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2019-10-13 21:21:23,638 INFO L446 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2019-10-13 21:21:23,638 INFO L446 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2019-10-13 21:21:23,638 INFO L443 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2019-10-13 21:21:23,638 INFO L446 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2019-10-13 21:21:23,639 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-13 21:21:23,639 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-10-13 21:21:23,639 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2019-10-13 21:21:23,639 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: true [2019-10-13 21:21:23,639 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2019-10-13 21:21:23,639 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2019-10-13 21:21:23,639 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2019-10-13 21:21:23,639 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:23,639 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:21:23,640 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:23,640 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:23,640 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:23,640 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2019-10-13 21:21:23,640 INFO L439 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:23,640 INFO L443 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2019-10-13 21:21:23,640 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0))) [2019-10-13 21:21:23,641 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~waterLevel~0)) .cse2)))) [2019-10-13 21:21:23,641 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2019-10-13 21:21:23,641 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-13 21:21:23,641 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-13 21:21:23,641 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2019-10-13 21:21:23,641 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2019-10-13 21:21:23,641 INFO L443 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2019-10-13 21:21:23,641 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:23,642 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2019-10-13 21:21:23,642 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2019-10-13 21:21:23,645 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-10-13 21:21:23,645 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2019-10-13 21:21:23,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:23 BoogieIcfgContainer [2019-10-13 21:21:23,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:23,675 INFO L168 Benchmark]: Toolchain (without parser) took 15855.11 ms. Allocated memory was 145.2 MB in the beginning and 428.3 MB in the end (delta: 283.1 MB). Free memory was 101.8 MB in the beginning and 206.0 MB in the end (delta: -104.2 MB). Peak memory consumption was 298.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:23,676 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:23,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.85 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 165.9 MB in the end (delta: -64.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:23,683 INFO L168 Benchmark]: Boogie Preprocessor took 100.02 ms. Allocated memory is still 202.4 MB. Free memory was 165.9 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:23,683 INFO L168 Benchmark]: RCFGBuilder took 1374.91 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 161.9 MB in the beginning and 189.2 MB in the end (delta: -27.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:23,684 INFO L168 Benchmark]: TraceAbstraction took 13633.34 ms. Allocated memory was 235.4 MB in the beginning and 428.3 MB in the end (delta: 192.9 MB). Free memory was 189.2 MB in the beginning and 206.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 295.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:23,699 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.85 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 165.9 MB in the end (delta: -64.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.02 ms. Allocated memory is still 202.4 MB. Free memory was 165.9 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1374.91 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 161.9 MB in the beginning and 189.2 MB in the end (delta: -27.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13633.34 ms. Allocated memory was 235.4 MB in the beginning and 428.3 MB in the end (delta: 192.9 MB). Free memory was 189.2 MB in the beginning and 206.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 295.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 1 error locations. Result: SAFE, OverallTime: 13.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, HoareTripleCheckerStatistics: 2263 SDtfs, 1198 SDslu, 5536 SDs, 0 SdLazy, 1715 SolverSat, 334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 705 GetRequests, 600 SyntacticMatches, 13 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2006 PreInvPairs, 2094 NumberOfFragments, 1756 HoareAnnotationTreeSize, 2006 FomulaSimplifications, 1582 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 70 FomulaSimplificationsInter, 7153 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1323 NumberOfCodeBlocks, 1323 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1601 ConstructedInterpolants, 0 QuantifiedInterpolants, 301246 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1781 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 166/174 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...