java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:38:20,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:38:20,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:38:20,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:38:20,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:38:20,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:38:20,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:38:20,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:38:20,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:38:20,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:38:20,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:38:20,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:38:20,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:38:20,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:38:20,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:38:20,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:38:20,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:38:20,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:38:20,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:38:20,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:38:20,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:38:20,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:38:20,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:38:20,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:38:20,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:38:20,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:38:20,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:38:20,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:38:20,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:38:20,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:38:20,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:38:20,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:38:20,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:38:20,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:38:20,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:38:20,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:38:20,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:38:20,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:38:20,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:38:20,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:38:20,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:38:20,622 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 [2019-10-14 23:38:20,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:38:20,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:38:20,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:38:20,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:38:20,640 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:38:20,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:38:20,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:38:20,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:38:20,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:38:20,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:38:20,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:38:20,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:38:20,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:38:20,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:38:20,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:38:20,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:38:20,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:38:20,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:38:20,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:38:20,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:38:20,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:38:20,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:20,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:38:20,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:38:20,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:38:20,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:38:20,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:38:20,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:38:20,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:38:20,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:38:20,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:38:20,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:38:20,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:38:20,954 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:38:20,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-10-14 23:38:21,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a0e2ca3/967fbcabaf1d470bb95d074711fd0861/FLAGecb3e0620 [2019-10-14 23:38:21,647 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:38:21,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-10-14 23:38:21,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a0e2ca3/967fbcabaf1d470bb95d074711fd0861/FLAGecb3e0620 [2019-10-14 23:38:21,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a0e2ca3/967fbcabaf1d470bb95d074711fd0861 [2019-10-14 23:38:21,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:38:21,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:38:21,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:21,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:38:21,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:38:21,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:21" (1/1) ... [2019-10-14 23:38:21,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:21, skipping insertion in model container [2019-10-14 23:38:21,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:21" (1/1) ... [2019-10-14 23:38:21,903 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:38:21,950 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:38:22,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:22,393 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:38:22,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:22,551 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:38:22,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22 WrapperNode [2019-10-14 23:38:22,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:22,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:38:22,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:38:22,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:38:22,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (1/1) ... [2019-10-14 23:38:22,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (1/1) ... [2019-10-14 23:38:22,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (1/1) ... [2019-10-14 23:38:22,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (1/1) ... [2019-10-14 23:38:22,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (1/1) ... [2019-10-14 23:38:22,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (1/1) ... [2019-10-14 23:38:22,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (1/1) ... [2019-10-14 23:38:22,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:38:22,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:38:22,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:38:22,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:38:22,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (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 [2019-10-14 23:38:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:38:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:38:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:38:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:38:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:38:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:38:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:38:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:38:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:38:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:38:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:38:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:38:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:38:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:38:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:38:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:38:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:38:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:38:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:38:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:38:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:38:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:38:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:38:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:38:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:38:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:38:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:38:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:38:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:38:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:38:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:38:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:38:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:38:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:38:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:38:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:38:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:38:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:38:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:38:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:38:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:38:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:38:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:38:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:38:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:38:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:38:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:38:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:38:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:38:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:38:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:38:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:38:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:38:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:38:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:38:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:38:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:38:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:38:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:38:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:38:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:38:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:38:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:38:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:38:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:38:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:38:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:38:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:38:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:38:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:38:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:38:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:38:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:38:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:38:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:38:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:38:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:38:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:38:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:38:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:38:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:38:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:38:24,048 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:38:24,049 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:38:24,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:24 BoogieIcfgContainer [2019-10-14 23:38:24,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:38:24,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:38:24,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:38:24,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:38:24,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:21" (1/3) ... [2019-10-14 23:38:24,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f66741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:24, skipping insertion in model container [2019-10-14 23:38:24,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:22" (2/3) ... [2019-10-14 23:38:24,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f66741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:24, skipping insertion in model container [2019-10-14 23:38:24,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:24" (3/3) ... [2019-10-14 23:38:24,063 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2019-10-14 23:38:24,072 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:38:24,084 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:38:24,095 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:38:24,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:38:24,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:38:24,134 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:38:24,134 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:38:24,135 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:38:24,135 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:38:24,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:38:24,135 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:38:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-10-14 23:38:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:38:24,180 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:24,182 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] [2019-10-14 23:38:24,184 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:24,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:24,190 INFO L82 PathProgramCache]: Analyzing trace with hash 384818270, now seen corresponding path program 1 times [2019-10-14 23:38:24,200 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:24,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552719346] [2019-10-14 23:38:24,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,826 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:24,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552719346] [2019-10-14 23:38:24,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:24,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:38:24,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467511383] [2019-10-14 23:38:24,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:38:24,937 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:24,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:38:24,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:24,962 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2019-10-14 23:38:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:26,134 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2019-10-14 23:38:26,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:38:26,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:38:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:26,150 INFO L225 Difference]: With dead ends: 285 [2019-10-14 23:38:26,151 INFO L226 Difference]: Without dead ends: 154 [2019-10-14 23:38:26,155 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:26,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-14 23:38:26,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2019-10-14 23:38:26,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-14 23:38:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-10-14 23:38:26,247 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2019-10-14 23:38:26,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:26,247 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-10-14 23:38:26,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:38:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-10-14 23:38:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:38:26,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:26,253 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] [2019-10-14 23:38:26,253 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:26,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:26,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1404738686, now seen corresponding path program 1 times [2019-10-14 23:38:26,254 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:26,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273862219] [2019-10-14 23:38:26,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:26,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:26,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,590 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:26,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273862219] [2019-10-14 23:38:26,636 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:26,636 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:38:26,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501170496] [2019-10-14 23:38:26,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:38:26,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:26,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:38:26,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:38:26,649 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2019-10-14 23:38:27,108 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:27,887 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2019-10-14 23:38:27,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:38:27,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:38:27,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:27,890 INFO L225 Difference]: With dead ends: 218 [2019-10-14 23:38:27,891 INFO L226 Difference]: Without dead ends: 138 [2019-10-14 23:38:27,892 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:38:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-14 23:38:27,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-14 23:38:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-14 23:38:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-10-14 23:38:27,926 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2019-10-14 23:38:27,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:27,926 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-10-14 23:38:27,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:38:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-10-14 23:38:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 23:38:27,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:27,929 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:27,929 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:27,929 INFO L82 PathProgramCache]: Analyzing trace with hash -166841959, now seen corresponding path program 1 times [2019-10-14 23:38:27,930 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:27,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184670470] [2019-10-14 23:38:27,930 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:27,930 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:27,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,263 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:28,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184670470] [2019-10-14 23:38:28,378 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:28,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:38:28,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791749956] [2019-10-14 23:38:28,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:38:28,380 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:28,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:38:28,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:38:28,381 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2019-10-14 23:38:28,879 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:29,219 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:29,494 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:29,782 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:31,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:31,007 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2019-10-14 23:38:31,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:38:31,008 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-14 23:38:31,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:31,011 INFO L225 Difference]: With dead ends: 227 [2019-10-14 23:38:31,011 INFO L226 Difference]: Without dead ends: 138 [2019-10-14 23:38:31,013 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-14 23:38:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-14 23:38:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-14 23:38:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-14 23:38:31,045 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2019-10-14 23:38:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:31,045 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-14 23:38:31,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:38:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-14 23:38:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-14 23:38:31,047 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:31,048 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] [2019-10-14 23:38:31,048 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:31,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:31,048 INFO L82 PathProgramCache]: Analyzing trace with hash -2128475140, now seen corresponding path program 1 times [2019-10-14 23:38:31,049 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:31,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574408354] [2019-10-14 23:38:31,049 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:31,049 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:31,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,403 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:31,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574408354] [2019-10-14 23:38:31,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:31,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:38:31,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130949732] [2019-10-14 23:38:31,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:38:31,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:31,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:38:31,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:31,496 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2019-10-14 23:38:32,169 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:32,581 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:32,875 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:33,138 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:33,752 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:35,245 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:35,699 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:36,008 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:36,308 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:38:36,586 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:36,947 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:37,302 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:37,614 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:38,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:38,802 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2019-10-14 23:38:38,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:38:38,806 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2019-10-14 23:38:38,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:38,810 INFO L225 Difference]: With dead ends: 438 [2019-10-14 23:38:38,811 INFO L226 Difference]: Without dead ends: 349 [2019-10-14 23:38:38,812 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:38:38,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-14 23:38:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2019-10-14 23:38:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 23:38:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2019-10-14 23:38:38,882 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2019-10-14 23:38:38,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:38,882 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2019-10-14 23:38:38,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:38:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2019-10-14 23:38:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-14 23:38:38,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:38,886 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] [2019-10-14 23:38:38,886 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:38,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:38,886 INFO L82 PathProgramCache]: Analyzing trace with hash 319417616, now seen corresponding path program 1 times [2019-10-14 23:38:38,887 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:38,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673573768] [2019-10-14 23:38:38,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:38,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:38,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,175 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:39,283 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673573768] [2019-10-14 23:38:39,284 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:39,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:38:39,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876373875] [2019-10-14 23:38:39,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:38:39,286 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:39,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:38:39,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:38:39,287 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2019-10-14 23:38:39,701 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:40,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:40,262 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2019-10-14 23:38:40,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:38:40,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-10-14 23:38:40,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:40,265 INFO L225 Difference]: With dead ends: 434 [2019-10-14 23:38:40,265 INFO L226 Difference]: Without dead ends: 178 [2019-10-14 23:38:40,267 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:38:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-10-14 23:38:40,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2019-10-14 23:38:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-14 23:38:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2019-10-14 23:38:40,300 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 72 [2019-10-14 23:38:40,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:40,301 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2019-10-14 23:38:40,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:38:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2019-10-14 23:38:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-14 23:38:40,303 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:40,303 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:40,303 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:40,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:40,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1468087032, now seen corresponding path program 1 times [2019-10-14 23:38:40,304 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:40,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613455392] [2019-10-14 23:38:40,305 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:40,305 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:40,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,648 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-14 23:38:40,774 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613455392] [2019-10-14 23:38:40,775 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974902819] [2019-10-14 23:38:40,775 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 [2019-10-14 23:38:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:40,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:38:40,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:38:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:38:41,134 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:38:41,134 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-14 23:38:41,134 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565099248] [2019-10-14 23:38:41,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 23:38:41,135 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:41,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 23:38:41,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:38:41,136 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 15 states. [2019-10-14 23:38:41,905 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:42,569 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:43,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:43,351 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2019-10-14 23:38:43,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:38:43,351 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2019-10-14 23:38:43,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:43,353 INFO L225 Difference]: With dead ends: 223 [2019-10-14 23:38:43,353 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:38:43,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-10-14 23:38:43,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:38:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:38:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:38:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:38:43,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2019-10-14 23:38:43,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:43,356 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:38:43,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 23:38:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:38:43,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:38:43,560 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:43,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:38:43,769 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2019-10-14 23:38:43,976 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2019-10-14 23:38:44,209 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2019-10-14 23:38:45,422 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:45,593 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:45,798 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:46,034 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:46,347 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:46,519 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:46,763 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:46,946 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:47,512 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:47,774 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:48,295 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-14 23:38:48,878 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:49,435 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:38:49,644 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:50,196 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:50,720 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:50,942 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:51,165 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-14 23:38:51,352 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-14 23:38:51,532 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:52,185 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:52,741 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:52,743 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 243) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L244(lines 221 245) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 197 252) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 197 252) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 232) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 228 232) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 197 252) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 253 312) no Hoare annotation was computed. [2019-10-14 23:38:52,744 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 304) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point L305(lines 278 306) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 253 312) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 253 312) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2019-10-14 23:38:52,745 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 606 614) no Hoare annotation was computed. [2019-10-14 23:38:52,746 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2019-10-14 23:38:52,746 INFO L439 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,746 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-10-14 23:38:52,746 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,746 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-14 23:38:52,746 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 933) no Hoare annotation was computed. [2019-10-14 23:38:52,747 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2019-10-14 23:38:52,747 INFO L446 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2019-10-14 23:38:52,747 INFO L443 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2019-10-14 23:38:52,747 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2019-10-14 23:38:52,747 INFO L443 ceAbstractionStarter]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2019-10-14 23:38:52,747 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-10-14 23:38:52,747 INFO L439 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,747 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,748 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 888 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,748 INFO L439 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,748 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2019-10-14 23:38:52,748 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 888 910) no Hoare annotation was computed. [2019-10-14 23:38:52,748 INFO L439 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,749 INFO L439 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,749 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 905) no Hoare annotation was computed. [2019-10-14 23:38:52,749 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-14 23:38:52,749 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-14 23:38:52,749 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2019-10-14 23:38:52,749 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-14 23:38:52,749 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-14 23:38:52,749 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-14 23:38:52,750 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-14 23:38:52,751 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-14 23:38:52,751 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-14 23:38:52,751 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-14 23:38:52,751 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,751 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,751 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 672) no Hoare annotation was computed. [2019-10-14 23:38:52,751 INFO L439 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,751 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-10-14 23:38:52,751 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 677) no Hoare annotation was computed. [2019-10-14 23:38:52,751 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,752 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2019-10-14 23:38:52,752 INFO L439 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,752 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2019-10-14 23:38:52,752 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2019-10-14 23:38:52,752 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2019-10-14 23:38:52,752 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 751 759) no Hoare annotation was computed. [2019-10-14 23:38:52,752 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2019-10-14 23:38:52,752 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 809) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L446 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 809) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 796 814) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 775) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L767-2(lines 767 775) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 760 795) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2019-10-14 23:38:52,753 INFO L443 ceAbstractionStarter]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 760 795) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 760 795) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 151 196) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 151 196) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 151 196) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 498) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 478 498) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 464 509) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 464 509) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 464 509) no Hoare annotation was computed. [2019-10-14 23:38:52,754 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 491) no Hoare annotation was computed. [2019-10-14 23:38:52,755 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,755 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2019-10-14 23:38:52,755 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2019-10-14 23:38:52,755 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2019-10-14 23:38:52,755 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2019-10-14 23:38:52,755 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-10-14 23:38:52,755 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-10-14 23:38:52,755 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 740 750) no Hoare annotation was computed. [2019-10-14 23:38:52,755 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2019-10-14 23:38:52,755 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2019-10-14 23:38:52,755 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 732 739) no Hoare annotation was computed. [2019-10-14 23:38:52,756 INFO L439 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,756 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2019-10-14 23:38:52,756 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,756 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2019-10-14 23:38:52,756 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,756 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 682 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,756 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 698) no Hoare annotation was computed. [2019-10-14 23:38:52,756 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,756 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-14 23:38:52,756 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 703) no Hoare annotation was computed. [2019-10-14 23:38:52,757 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2019-10-14 23:38:52,757 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2019-10-14 23:38:52,757 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,757 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 513 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,757 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-10-14 23:38:52,757 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-10-14 23:38:52,757 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,757 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2019-10-14 23:38:52,757 INFO L439 ceAbstractionStarter]: At program point L566(lines 523 568) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,757 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L439 ceAbstractionStarter]: At program point L569(lines 522 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L439 ceAbstractionStarter]: At program point L559-2(lines 553 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point L524(lines 523 568) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 564) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 418 463) no Hoare annotation was computed. [2019-10-14 23:38:52,758 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 418 463) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 418 463) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 452) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 432 452) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 707 714) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 707 714) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 707 714) no Hoare annotation was computed. [2019-10-14 23:38:52,759 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2019-10-14 23:38:52,760 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-14 23:38:52,760 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-14 23:38:52,760 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-14 23:38:52,760 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-14 23:38:52,760 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-14 23:38:52,760 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-14 23:38:52,760 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-14 23:38:52,760 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 315 417) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 414) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point L364-2(lines 364 384) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 315 417) no Hoare annotation was computed. [2019-10-14 23:38:52,761 INFO L443 ceAbstractionStarter]: For program point L385(lines 363 386) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 360) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 411) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 315 417) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point L365(lines 364 384) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 402) no Hoare annotation was computed. [2019-10-14 23:38:52,762 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 582 591) no Hoare annotation was computed. [2019-10-14 23:38:52,763 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 582 591) no Hoare annotation was computed. [2019-10-14 23:38:52,763 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 582 591) no Hoare annotation was computed. [2019-10-14 23:38:52,763 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,763 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-10-14 23:38:52,763 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,763 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 715 731) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 715 731) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 715 731) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-14 23:38:52,764 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-14 23:38:52,765 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-14 23:38:52,765 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,765 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-14 23:38:52,765 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,765 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,765 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,765 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-14 23:38:52,766 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-14 23:38:52,766 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-14 23:38:52,766 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2019-10-14 23:38:52,766 INFO L439 ceAbstractionStarter]: At program point L635(lines 635 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 (and (= 1 ~waterLevel~0) .cse2) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:52,766 INFO L439 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:38:52,766 INFO L443 ceAbstractionStarter]: For program point L628(lines 627 646) no Hoare annotation was computed. [2019-10-14 23:38:52,767 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 624 647) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2019-10-14 23:38:52,767 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2019-10-14 23:38:52,767 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2019-10-14 23:38:52,767 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2019-10-14 23:38:52,767 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-10-14 23:38:52,767 INFO L446 ceAbstractionStarter]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2019-10-14 23:38:52,767 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2019-10-14 23:38:52,767 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-14 23:38:52,768 INFO L446 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2019-10-14 23:38:52,768 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-14 23:38:52,768 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-14 23:38:52,768 INFO L446 ceAbstractionStarter]: At program point L842(lines 817 846) the Hoare annotation is: true [2019-10-14 23:38:52,768 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-14 23:38:52,768 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-14 23:38:52,768 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-14 23:38:52,768 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-14 23:38:52,769 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2019-10-14 23:38:52,769 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2019-10-14 23:38:52,769 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,769 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:52,769 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:52,769 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,769 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-14 23:38:52,769 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-14 23:38:52,770 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:52,770 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-10-14 23:38:52,770 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 136 143) no Hoare annotation was computed. [2019-10-14 23:38:52,770 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2019-10-14 23:38:52,770 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-14 23:38:52,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:52 BoogieIcfgContainer [2019-10-14 23:38:52,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:52,787 INFO L168 Benchmark]: Toolchain (without parser) took 30899.01 ms. Allocated memory was 137.9 MB in the beginning and 613.9 MB in the end (delta: 476.1 MB). Free memory was 101.9 MB in the beginning and 423.8 MB in the end (delta: -321.9 MB). Peak memory consumption was 498.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,787 INFO L168 Benchmark]: CDTParser took 1.75 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.11 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 170.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,789 INFO L168 Benchmark]: Boogie Preprocessor took 96.59 ms. Allocated memory is still 202.9 MB. Free memory was 170.8 MB in the beginning and 166.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,790 INFO L168 Benchmark]: RCFGBuilder took 1402.51 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.4 MB in the beginning and 197.0 MB in the end (delta: -30.5 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,791 INFO L168 Benchmark]: TraceAbstraction took 28731.54 ms. Allocated memory was 234.4 MB in the beginning and 613.9 MB in the end (delta: 379.6 MB). Free memory was 197.0 MB in the beginning and 423.8 MB in the end (delta: -226.8 MB). Peak memory consumption was 497.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.75 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.11 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 170.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.59 ms. Allocated memory is still 202.9 MB. Free memory was 170.8 MB in the beginning and 166.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1402.51 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.4 MB in the beginning and 197.0 MB in the end (delta: -30.5 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28731.54 ms. Allocated memory was 234.4 MB in the beginning and 613.9 MB in the end (delta: 379.6 MB). Free memory was 197.0 MB in the beginning and 423.8 MB in the end (delta: -226.8 MB). Peak memory consumption was 497.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && 0 == splverifierCounter) && 1 <= waterLevel)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 28.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, HoareTripleCheckerStatistics: 572 SDtfs, 1175 SDslu, 476 SDs, 0 SdLazy, 2867 SolverSat, 749 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1081 HoareAnnotationTreeSize, 412 FomulaSimplifications, 39961 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9025 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 496 NumberOfCodeBlocks, 496 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 489 ConstructedInterpolants, 0 QuantifiedInterpolants, 147290 SizeOfPredicates, 3 NumberOfNonLiveVariables, 765 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 69/72 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...