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_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:11,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:11,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:11,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:11,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:11,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:11,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:11,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:11,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:11,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:11,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:11,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:11,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:11,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:11,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:11,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:11,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:11,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:11,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:11,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:11,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:11,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:11,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:11,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:11,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:11,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:11,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:11,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:11,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:11,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:11,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:11,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:11,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:11,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:11,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:11,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:11,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:11,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:11,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:11,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:11,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:11,600 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 [2019-10-15 01:19:11,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:11,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:11,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:11,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:11,616 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:11,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:11,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:11,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:11,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:11,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:11,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:11,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:11,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:11,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:11,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:11,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:11,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:11,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:11,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:11,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:11,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:11,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:11,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:11,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:11,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:11,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:11,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:11,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:11,625 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 [2019-10-15 01:19:11,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:11,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:11,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:11,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:11,934 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:11,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2019-10-15 01:19:11,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebab3e6c/77daba9e31554d4bb27b8d5462653e9b/FLAG1d7efb6a6 [2019-10-15 01:19:12,456 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:12,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2019-10-15 01:19:12,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebab3e6c/77daba9e31554d4bb27b8d5462653e9b/FLAG1d7efb6a6 [2019-10-15 01:19:12,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebab3e6c/77daba9e31554d4bb27b8d5462653e9b [2019-10-15 01:19:12,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:12,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:12,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:12,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:12,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:12,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:12" (1/1) ... [2019-10-15 01:19:12,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1d0459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:12, skipping insertion in model container [2019-10-15 01:19:12,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:12" (1/1) ... [2019-10-15 01:19:12,844 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:12,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:13,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:13,398 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:13,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:13,530 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:13,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13 WrapperNode [2019-10-15 01:19:13,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:13,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:13,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:13,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:13,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:13,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:13,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:13,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:13,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:19:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:19:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:19:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:14,997 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:14,997 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:14,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:14 BoogieIcfgContainer [2019-10-15 01:19:14,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:15,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:15,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:15,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:15,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:12" (1/3) ... [2019-10-15 01:19:15,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6cba27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:15, skipping insertion in model container [2019-10-15 01:19:15,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (2/3) ... [2019-10-15 01:19:15,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6cba27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:15, skipping insertion in model container [2019-10-15 01:19:15,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:14" (3/3) ... [2019-10-15 01:19:15,008 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2019-10-15 01:19:15,019 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:15,028 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:15,041 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:15,069 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:15,069 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:15,069 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:15,069 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:15,070 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:15,070 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:15,070 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:15,071 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2019-10-15 01:19:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:15,103 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,104 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,106 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1419538001, now seen corresponding path program 1 times [2019-10-15 01:19:15,121 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447228341] [2019-10-15 01:19:15,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447228341] [2019-10-15 01:19:15,462 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:15,463 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648256371] [2019-10-15 01:19:15,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:15,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:15,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:15,494 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2019-10-15 01:19:15,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,576 INFO L93 Difference]: Finished difference Result 308 states and 383 transitions. [2019-10-15 01:19:15,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:15,579 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:15,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:15,598 INFO L225 Difference]: With dead ends: 308 [2019-10-15 01:19:15,598 INFO L226 Difference]: Without dead ends: 154 [2019-10-15 01:19:15,605 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 [2019-10-15 01:19:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-15 01:19:15,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-10-15 01:19:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-15 01:19:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2019-10-15 01:19:15,668 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2019-10-15 01:19:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,668 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2019-10-15 01:19:15,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2019-10-15 01:19:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:15,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,673 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,673 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1353902391, now seen corresponding path program 1 times [2019-10-15 01:19:15,674 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131055685] [2019-10-15 01:19:15,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,775 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131055685] [2019-10-15 01:19:15,775 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,775 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:15,775 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352005739] [2019-10-15 01:19:15,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:15,777 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:15,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:15,778 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 3 states. [2019-10-15 01:19:15,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,802 INFO L93 Difference]: Finished difference Result 253 states and 301 transitions. [2019-10-15 01:19:15,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:15,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:15,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:15,805 INFO L225 Difference]: With dead ends: 253 [2019-10-15 01:19:15,805 INFO L226 Difference]: Without dead ends: 145 [2019-10-15 01:19:15,807 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 [2019-10-15 01:19:15,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-15 01:19:15,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-15 01:19:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-15 01:19:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2019-10-15 01:19:15,822 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2019-10-15 01:19:15,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,823 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2019-10-15 01:19:15,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2019-10-15 01:19:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:15,827 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,827 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] [2019-10-15 01:19:15,828 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,828 INFO L82 PathProgramCache]: Analyzing trace with hash -480372053, now seen corresponding path program 1 times [2019-10-15 01:19:15,828 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340356516] [2019-10-15 01:19:15,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340356516] [2019-10-15 01:19:15,975 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:15,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486165221] [2019-10-15 01:19:15,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:15,977 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:15,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:15,978 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 7 states. [2019-10-15 01:19:16,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,384 INFO L93 Difference]: Finished difference Result 266 states and 319 transitions. [2019-10-15 01:19:16,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:16,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:19:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,387 INFO L225 Difference]: With dead ends: 266 [2019-10-15 01:19:16,390 INFO L226 Difference]: Without dead ends: 145 [2019-10-15 01:19:16,392 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:16,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-15 01:19:16,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-15 01:19:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-15 01:19:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2019-10-15 01:19:16,425 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2019-10-15 01:19:16,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,426 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2019-10-15 01:19:16,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2019-10-15 01:19:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:19:16,430 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:16,431 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] [2019-10-15 01:19:16,431 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:16,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:16,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1922469070, now seen corresponding path program 1 times [2019-10-15 01:19:16,436 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:16,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778449955] [2019-10-15 01:19:16,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:16,612 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778449955] [2019-10-15 01:19:16,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:16,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:16,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568660683] [2019-10-15 01:19:16,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:16,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:16,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:16,614 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 5 states. [2019-10-15 01:19:17,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,162 INFO L93 Difference]: Finished difference Result 380 states and 460 transitions. [2019-10-15 01:19:17,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:17,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-15 01:19:17,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,167 INFO L225 Difference]: With dead ends: 380 [2019-10-15 01:19:17,167 INFO L226 Difference]: Without dead ends: 259 [2019-10-15 01:19:17,168 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 [2019-10-15 01:19:17,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-10-15 01:19:17,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 240. [2019-10-15 01:19:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-10-15 01:19:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2019-10-15 01:19:17,204 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2019-10-15 01:19:17,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,204 INFO L462 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2019-10-15 01:19:17,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2019-10-15 01:19:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:19:17,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,208 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:17,208 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,208 INFO L82 PathProgramCache]: Analyzing trace with hash 371744810, now seen corresponding path program 1 times [2019-10-15 01:19:17,208 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266131653] [2019-10-15 01:19:17,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266131653] [2019-10-15 01:19:17,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:17,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536496156] [2019-10-15 01:19:17,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:17,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:17,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:17,329 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 6 states. [2019-10-15 01:19:17,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,540 INFO L93 Difference]: Finished difference Result 657 states and 766 transitions. [2019-10-15 01:19:17,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:17,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:19:17,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,545 INFO L225 Difference]: With dead ends: 657 [2019-10-15 01:19:17,545 INFO L226 Difference]: Without dead ends: 441 [2019-10-15 01:19:17,547 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 [2019-10-15 01:19:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-10-15 01:19:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2019-10-15 01:19:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-15 01:19:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 494 transitions. [2019-10-15 01:19:17,584 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 494 transitions. Word has length 84 [2019-10-15 01:19:17,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,585 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 494 transitions. [2019-10-15 01:19:17,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 494 transitions. [2019-10-15 01:19:17,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:17,587 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,588 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] [2019-10-15 01:19:17,588 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,588 INFO L82 PathProgramCache]: Analyzing trace with hash 861472934, now seen corresponding path program 1 times [2019-10-15 01:19:17,589 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136711960] [2019-10-15 01:19:17,589 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,589 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136711960] [2019-10-15 01:19:17,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:17,729 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386527981] [2019-10-15 01:19:17,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:17,730 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:17,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:17,731 INFO L87 Difference]: Start difference. First operand 435 states and 494 transitions. Second operand 7 states. [2019-10-15 01:19:18,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,368 INFO L93 Difference]: Finished difference Result 470 states and 548 transitions. [2019-10-15 01:19:18,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:18,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-10-15 01:19:18,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,372 INFO L225 Difference]: With dead ends: 470 [2019-10-15 01:19:18,372 INFO L226 Difference]: Without dead ends: 467 [2019-10-15 01:19:18,372 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 [2019-10-15 01:19:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-10-15 01:19:18,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 435. [2019-10-15 01:19:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-15 01:19:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 493 transitions. [2019-10-15 01:19:18,403 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 493 transitions. Word has length 88 [2019-10-15 01:19:18,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,404 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 493 transitions. [2019-10-15 01:19:18,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 493 transitions. [2019-10-15 01:19:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:18,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,406 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] [2019-10-15 01:19:18,406 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1149093276, now seen corresponding path program 1 times [2019-10-15 01:19:18,407 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581867427] [2019-10-15 01:19:18,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581867427] [2019-10-15 01:19:18,476 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,476 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:18,477 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009970339] [2019-10-15 01:19:18,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:18,478 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:18,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:18,480 INFO L87 Difference]: Start difference. First operand 435 states and 493 transitions. Second operand 6 states. [2019-10-15 01:19:18,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,529 INFO L93 Difference]: Finished difference Result 860 states and 998 transitions. [2019-10-15 01:19:18,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:18,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-15 01:19:18,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,535 INFO L225 Difference]: With dead ends: 860 [2019-10-15 01:19:18,535 INFO L226 Difference]: Without dead ends: 449 [2019-10-15 01:19:18,537 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 [2019-10-15 01:19:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-15 01:19:18,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 445. [2019-10-15 01:19:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-15 01:19:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 503 transitions. [2019-10-15 01:19:18,577 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 503 transitions. Word has length 104 [2019-10-15 01:19:18,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,579 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 503 transitions. [2019-10-15 01:19:18,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 503 transitions. [2019-10-15 01:19:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:18,583 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,585 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] [2019-10-15 01:19:18,586 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1502181658, now seen corresponding path program 1 times [2019-10-15 01:19:18,587 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594186349] [2019-10-15 01:19:18,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594186349] [2019-10-15 01:19:18,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:18,729 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003731678] [2019-10-15 01:19:18,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:18,731 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:18,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:18,731 INFO L87 Difference]: Start difference. First operand 445 states and 503 transitions. Second operand 8 states. [2019-10-15 01:19:18,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,777 INFO L93 Difference]: Finished difference Result 880 states and 1020 transitions. [2019-10-15 01:19:18,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:18,778 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-15 01:19:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,782 INFO L225 Difference]: With dead ends: 880 [2019-10-15 01:19:18,783 INFO L226 Difference]: Without dead ends: 459 [2019-10-15 01:19:18,785 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 [2019-10-15 01:19:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-15 01:19:18,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 453. [2019-10-15 01:19:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2019-10-15 01:19:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2019-10-15 01:19:18,811 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2019-10-15 01:19:18,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,812 INFO L462 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2019-10-15 01:19:18,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2019-10-15 01:19:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:18,815 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,815 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] [2019-10-15 01:19:18,815 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,816 INFO L82 PathProgramCache]: Analyzing trace with hash -368991065, now seen corresponding path program 1 times [2019-10-15 01:19:18,816 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234434092] [2019-10-15 01:19:18,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234434092] [2019-10-15 01:19:18,950 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,950 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:18,950 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248650037] [2019-10-15 01:19:18,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:18,951 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:18,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:18,952 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 4 states. [2019-10-15 01:19:19,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:19,195 INFO L93 Difference]: Finished difference Result 1353 states and 1602 transitions. [2019-10-15 01:19:19,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:19,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-15 01:19:19,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:19,201 INFO L225 Difference]: With dead ends: 1353 [2019-10-15 01:19:19,201 INFO L226 Difference]: Without dead ends: 924 [2019-10-15 01:19:19,203 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 [2019-10-15 01:19:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2019-10-15 01:19:19,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 909. [2019-10-15 01:19:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2019-10-15 01:19:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1055 transitions. [2019-10-15 01:19:19,255 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1055 transitions. Word has length 104 [2019-10-15 01:19:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:19,255 INFO L462 AbstractCegarLoop]: Abstraction has 909 states and 1055 transitions. [2019-10-15 01:19:19,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1055 transitions. [2019-10-15 01:19:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:19:19,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:19,258 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] [2019-10-15 01:19:19,259 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:19,259 INFO L82 PathProgramCache]: Analyzing trace with hash 38573473, now seen corresponding path program 1 times [2019-10-15 01:19:19,260 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:19,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751473703] [2019-10-15 01:19:19,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:19,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751473703] [2019-10-15 01:19:19,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196479563] [2019-10-15 01:19:19,400 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 [2019-10-15 01:19:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:19,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:19,830 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:21,079 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:21,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:21,080 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233848091] [2019-10-15 01:19:21,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:21,081 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:21,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:21,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:21,082 INFO L87 Difference]: Start difference. First operand 909 states and 1055 transitions. Second operand 8 states. [2019-10-15 01:19:21,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:21,366 INFO L93 Difference]: Finished difference Result 1764 states and 2059 transitions. [2019-10-15 01:19:21,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:21,367 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:19:21,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:21,373 INFO L225 Difference]: With dead ends: 1764 [2019-10-15 01:19:21,373 INFO L226 Difference]: Without dead ends: 879 [2019-10-15 01:19:21,376 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 198 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:21,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2019-10-15 01:19:21,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 879. [2019-10-15 01:19:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2019-10-15 01:19:21,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1006 transitions. [2019-10-15 01:19:21,423 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1006 transitions. Word has length 108 [2019-10-15 01:19:21,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:21,424 INFO L462 AbstractCegarLoop]: Abstraction has 879 states and 1006 transitions. [2019-10-15 01:19:21,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:21,424 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1006 transitions. [2019-10-15 01:19:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-15 01:19:21,429 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:21,429 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, 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] [2019-10-15 01:19:21,637 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:21,638 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:21,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:21,638 INFO L82 PathProgramCache]: Analyzing trace with hash 797532396, now seen corresponding path program 1 times [2019-10-15 01:19:21,638 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:21,639 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365169481] [2019-10-15 01:19:21,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:21,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:21,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:19:21,797 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365169481] [2019-10-15 01:19:21,797 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343692766] [2019-10-15 01:19:21,798 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 [2019-10-15 01:19:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:22,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-15 01:19:22,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:19:22,147 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:19:22,458 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:22,458 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-15 01:19:22,458 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481838714] [2019-10-15 01:19:22,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:22,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:22,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:22,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:22,460 INFO L87 Difference]: Start difference. First operand 879 states and 1006 transitions. Second operand 5 states. [2019-10-15 01:19:23,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:23,272 INFO L93 Difference]: Finished difference Result 1891 states and 2293 transitions. [2019-10-15 01:19:23,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:23,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2019-10-15 01:19:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:23,280 INFO L225 Difference]: With dead ends: 1891 [2019-10-15 01:19:23,280 INFO L226 Difference]: Without dead ends: 1174 [2019-10-15 01:19:23,282 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:19:23,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2019-10-15 01:19:23,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1077. [2019-10-15 01:19:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2019-10-15 01:19:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1251 transitions. [2019-10-15 01:19:23,361 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1251 transitions. Word has length 178 [2019-10-15 01:19:23,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:23,363 INFO L462 AbstractCegarLoop]: Abstraction has 1077 states and 1251 transitions. [2019-10-15 01:19:23,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1251 transitions. [2019-10-15 01:19:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-15 01:19:23,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:23,367 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, 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] [2019-10-15 01:19:23,580 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:23,581 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:23,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:23,581 INFO L82 PathProgramCache]: Analyzing trace with hash 118260142, now seen corresponding path program 1 times [2019-10-15 01:19:23,581 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:23,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284706426] [2019-10-15 01:19:23,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:23,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:23,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:23,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284706426] [2019-10-15 01:19:23,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918087835] [2019-10-15 01:19:23,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:24,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:24,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:24,261 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:24,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:24,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:24,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288296948] [2019-10-15 01:19:24,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:24,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:24,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:24,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:24,840 INFO L87 Difference]: Start difference. First operand 1077 states and 1251 transitions. Second operand 8 states. [2019-10-15 01:19:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:25,088 INFO L93 Difference]: Finished difference Result 1861 states and 2194 transitions. [2019-10-15 01:19:25,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:25,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2019-10-15 01:19:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:25,089 INFO L225 Difference]: With dead ends: 1861 [2019-10-15 01:19:25,090 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:25,094 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:25,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:25,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-15 01:19:25,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:25,096 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:25,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:25,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:25,307 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:25,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:26,055 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 16 [2019-10-15 01:19:26,655 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-15 01:19:27,190 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-10-15 01:19:27,314 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2019-10-15 01:19:27,541 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-10-15 01:19:27,661 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:19:27,934 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-15 01:19:28,279 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-10-15 01:19:28,383 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 20 [2019-10-15 01:19:28,514 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:28,655 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:28,814 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:29,292 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-10-15 01:19:29,732 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-10-15 01:19:29,961 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:19:30,475 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 22 [2019-10-15 01:19:30,743 INFO L443 ceAbstractionStarter]: For program point L507(lines 484 508) no Hoare annotation was computed. [2019-10-15 01:19:30,743 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 460 515) no Hoare annotation was computed. [2019-10-15 01:19:30,743 INFO L443 ceAbstractionStarter]: For program point L491(lines 491 495) no Hoare annotation was computed. [2019-10-15 01:19:30,743 INFO L443 ceAbstractionStarter]: For program point L491-1(lines 491 495) no Hoare annotation was computed. [2019-10-15 01:19:30,743 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 460 515) no Hoare annotation was computed. [2019-10-15 01:19:30,743 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-10-15 01:19:30,743 INFO L443 ceAbstractionStarter]: For program point L485-2(lines 485 506) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 460 515) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point L542-2(lines 542 567) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point L568(lines 541 569) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 516 575) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 516 575) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 516 575) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L443 ceAbstractionStarter]: For program point L548-1(lines 548 552) no Hoare annotation was computed. [2019-10-15 01:19:30,744 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2019-10-15 01:19:30,745 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2019-10-15 01:19:30,745 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2019-10-15 01:19:30,745 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2019-10-15 01:19:30,745 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2019-10-15 01:19:30,745 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,745 INFO L439 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-10-15 01:19:30,746 INFO L439 ceAbstractionStarter]: At program point L858-1(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-10-15 01:19:30,746 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2019-10-15 01:19:30,746 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 863) no Hoare annotation was computed. [2019-10-15 01:19:30,746 INFO L443 ceAbstractionStarter]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2019-10-15 01:19:30,746 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-15 01:19:30,746 INFO L439 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,746 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,747 INFO L439 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 805 828) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 805 828) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 805 828) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-15 01:19:30,747 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-15 01:19:30,748 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,748 INFO L439 ceAbstractionStarter]: At program point L123(line 123) 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 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,748 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-15 01:19:30,749 INFO L439 ceAbstractionStarter]: At program point L119(line 119) 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 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,749 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-15 01:19:30,749 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-15 01:19:30,749 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) 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 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,749 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-15 01:19:30,749 INFO L439 ceAbstractionStarter]: At program point L132(line 132) 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))) [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2019-10-15 01:19:30,750 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-15 01:19:30,751 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-15 01:19:30,752 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2019-10-15 01:19:30,752 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2019-10-15 01:19:30,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 414 459) no Hoare annotation was computed. [2019-10-15 01:19:30,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 414 459) no Hoare annotation was computed. [2019-10-15 01:19:30,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 414 459) no Hoare annotation was computed. [2019-10-15 01:19:30,753 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 727 772) no Hoare annotation was computed. [2019-10-15 01:19:30,753 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 754) no Hoare annotation was computed. [2019-10-15 01:19:30,753 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 727 772) no Hoare annotation was computed. [2019-10-15 01:19:30,754 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 727 772) no Hoare annotation was computed. [2019-10-15 01:19:30,754 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 761) no Hoare annotation was computed. [2019-10-15 01:19:30,754 INFO L443 ceAbstractionStarter]: For program point L741-1(lines 741 761) no Hoare annotation was computed. [2019-10-15 01:19:30,754 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2019-10-15 01:19:30,755 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-15 01:19:30,755 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-10-15 01:19:30,755 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-15 01:19:30,755 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2019-10-15 01:19:30,756 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2019-10-15 01:19:30,756 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2019-10-15 01:19:30,756 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2019-10-15 01:19:30,756 INFO L439 ceAbstractionStarter]: At program point L158(line 158) 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))) [2019-10-15 01:19:30,756 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-10-15 01:19:30,756 INFO L439 ceAbstractionStarter]: At program point L153(line 153) 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 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:19:30,756 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-10-15 01:19:30,756 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-15 01:19:30,756 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,756 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-10-15 01:19:30,757 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-15 01:19:30,757 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-15 01:19:30,757 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-10-15 01:19:30,757 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-15 01:19:30,757 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-15 01:19:30,757 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,757 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 355) no Hoare annotation was computed. [2019-10-15 01:19:30,757 INFO L439 ceAbstractionStarter]: At program point L351-2(lines 343 356) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,757 INFO L443 ceAbstractionStarter]: For program point L314(lines 313 360) no Hoare annotation was computed. [2019-10-15 01:19:30,757 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,757 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-15 01:19:30,758 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2019-10-15 01:19:30,758 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,758 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2019-10-15 01:19:30,758 INFO L443 ceAbstractionStarter]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2019-10-15 01:19:30,758 INFO L439 ceAbstractionStarter]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,758 INFO L439 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse1 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,758 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2019-10-15 01:19:30,758 INFO L443 ceAbstractionStarter]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2019-10-15 01:19:30,758 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-15 01:19:30,758 INFO L439 ceAbstractionStarter]: At program point L361(lines 312 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,758 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 708) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 681 726) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 715) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point L695-1(lines 695 715) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 681 726) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 681 726) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2019-10-15 01:19:30,759 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 934) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point L926-2(lines 926 934) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 918 940) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 918 940) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 918 940) no Hoare annotation was computed. [2019-10-15 01:19:30,760 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 374 383) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 374 383) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 374 383) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 623) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 578 680) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 674) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point L628(lines 627 647) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2019-10-15 01:19:30,761 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 665) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 578 680) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point L643-1(line 643) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 606) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 677) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 578 680) no Hoare annotation was computed. [2019-10-15 01:19:30,762 INFO L443 ceAbstractionStarter]: For program point L627-2(lines 627 647) no Hoare annotation was computed. [2019-10-15 01:19:30,763 INFO L443 ceAbstractionStarter]: For program point L648(lines 626 649) no Hoare annotation was computed. [2019-10-15 01:19:30,763 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,763 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:19:30,763 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,763 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:30,763 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-15 01:19:30,763 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-10-15 01:19:30,764 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:30,764 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:30,764 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-10-15 01:19:30,764 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-15 01:19:30,764 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-15 01:19:30,764 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-15 01:19:30,764 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-15 01:19:30,764 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-10-15 01:19:30,765 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-15 01:19:30,765 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-10-15 01:19:30,765 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-15 01:19:30,765 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 941 949) no Hoare annotation was computed. [2019-10-15 01:19:30,765 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 941 949) no Hoare annotation was computed. [2019-10-15 01:19:30,765 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 941 949) no Hoare annotation was computed. [2019-10-15 01:19:30,765 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 897 908) 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))) [2019-10-15 01:19:30,766 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2019-10-15 01:19:30,766 INFO L443 ceAbstractionStarter]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2019-10-15 01:19:30,766 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,766 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,766 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,766 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2019-10-15 01:19:30,766 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2019-10-15 01:19:30,766 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2019-10-15 01:19:30,767 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,767 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-15 01:19:30,767 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-10-15 01:19:30,767 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-15 01:19:30,767 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-15 01:19:30,767 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-10-15 01:19:30,768 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse6)) (.cse3 (and .cse5 .cse11 .cse10)) (.cse0 (not .cse11)) (.cse7 (not .cse1)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse4 .cse6 .cse7 .cse8) (or .cse1 (and .cse2 .cse9) .cse5 .cse4 .cse8) (or .cse0 .cse3 .cse4 (and .cse10 .cse9)) (or .cse6 .cse0 .cse5 .cse4 .cse7) (or .cse10 (and (<= 2 ~waterLevel~0) .cse9) .cse4 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-15 01:19:30,768 INFO L446 ceAbstractionStarter]: At program point L800(lines 775 804) the Hoare annotation is: true [2019-10-15 01:19:30,768 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2019-10-15 01:19:30,768 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2019-10-15 01:19:30,768 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-15 01:19:30,768 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2019-10-15 01:19:30,768 INFO L446 ceAbstractionStarter]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2019-10-15 01:19:30,768 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-15 01:19:30,768 INFO L446 ceAbstractionStarter]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2019-10-15 01:19:30,768 INFO L446 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2019-10-15 01:19:30,769 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-15 01:19:30,769 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 873 884) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-10-15 01:19:30,769 INFO L443 ceAbstractionStarter]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2019-10-15 01:19:30,769 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2019-10-15 01:19:30,769 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2019-10-15 01:19:30,769 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2019-10-15 01:19:30,769 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,769 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)) [2019-10-15 01:19:30,770 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:30,770 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,770 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2019-10-15 01:19:30,770 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:19:30,770 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2019-10-15 01:19:30,770 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,770 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) 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 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,770 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-15 01:19:30,771 INFO L439 ceAbstractionStarter]: At program point L93(line 93) 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))) [2019-10-15 01:19:30,771 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-15 01:19:30,771 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-15 01:19:30,771 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-15 01:19:30,771 INFO L439 ceAbstractionStarter]: At program point L106(line 106) 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 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,771 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-15 01:19:30,771 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~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))) [2019-10-15 01:19:30,771 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2019-10-15 01:19:30,772 INFO L443 ceAbstractionStarter]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2019-10-15 01:19:30,772 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-10-15 01:19:30,772 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2019-10-15 01:19:30,772 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2019-10-15 01:19:30,772 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2019-10-15 01:19:30,772 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2019-10-15 01:19:30,773 INFO L439 ceAbstractionStarter]: At program point L989(line 989) 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))))) [2019-10-15 01:19:30,773 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2019-10-15 01:19:30,773 INFO L443 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2019-10-15 01:19:30,773 INFO L439 ceAbstractionStarter]: At program point L985(line 985) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:30,773 INFO L443 ceAbstractionStarter]: For program point L985-1(line 985) no Hoare annotation was computed. [2019-10-15 01:19:30,773 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2019-10-15 01:19:30,773 INFO L443 ceAbstractionStarter]: For program point L983(lines 983 996) no Hoare annotation was computed. [2019-10-15 01:19:30,773 INFO L443 ceAbstractionStarter]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2019-10-15 01:19:30,773 INFO L446 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: true [2019-10-15 01:19:30,773 INFO L443 ceAbstractionStarter]: For program point L981-1(line 981) no Hoare annotation was computed. [2019-10-15 01:19:30,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:30 BoogieIcfgContainer [2019-10-15 01:19:30,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:30,790 INFO L168 Benchmark]: Toolchain (without parser) took 17960.11 ms. Allocated memory was 141.0 MB in the beginning and 496.0 MB in the end (delta: 354.9 MB). Free memory was 102.3 MB in the beginning and 297.0 MB in the end (delta: -194.7 MB). Peak memory consumption was 369.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,791 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:19:30,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.82 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 171.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,792 INFO L168 Benchmark]: Boogie Preprocessor took 130.26 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,793 INFO L168 Benchmark]: RCFGBuilder took 1335.63 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 193.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,794 INFO L168 Benchmark]: TraceAbstraction took 15787.93 ms. Allocated memory was 237.0 MB in the beginning and 496.0 MB in the end (delta: 259.0 MB). Free memory was 193.8 MB in the beginning and 297.0 MB in the end (delta: -103.2 MB). Peak memory consumption was 364.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.82 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 171.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.26 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.63 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 193.8 MB in the end (delta: -26.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15787.93 ms. Allocated memory was 237.0 MB in the beginning and 496.0 MB in the end (delta: 259.0 MB). Free memory was 193.8 MB in the beginning and 297.0 MB in the end (delta: -103.2 MB). Peak memory consumption was 364.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Result: SAFE, OverallTime: 15.7s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, HoareTripleCheckerStatistics: 2489 SDtfs, 1289 SDslu, 4675 SDs, 0 SdLazy, 2236 SolverSat, 380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1057 GetRequests, 943 SyntacticMatches, 13 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1077occurred in iteration=11, 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, 12 MinimizatonAttempts, 179 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2349 PreInvPairs, 2489 NumberOfFragments, 1863 HoareAnnotationTreeSize, 2349 FomulaSimplifications, 4864 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 12660 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1627 NumberOfCodeBlocks, 1627 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2073 ConstructedInterpolants, 0 QuantifiedInterpolants, 433387 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2701 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 316/336 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...