/usr/bin/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_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:36:58,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:36:58,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:36:58,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:36:58,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:36:58,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:36:58,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:36:58,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:36:58,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:36:58,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:36:58,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:36:58,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:36:58,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:36:58,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:36:58,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:36:58,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:36:58,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:36:58,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:36:58,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:36:58,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:36:58,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:36:58,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:36:58,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:36:58,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:36:58,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:36:58,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:36:58,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:36:58,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:36:58,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:36:58,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:36:58,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:36:58,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:36:58,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:36:58,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:36:58,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:36:58,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:36:58,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:36:58,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:36:58,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:36:58,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:36:58,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:36:58,620 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 [2020-07-17 11:36:58,636 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:36:58,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:36:58,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:36:58,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:36:58,640 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:36:58,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:36:58,641 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:36:58,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:36:58,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:36:58,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:36:58,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:36:58,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:36:58,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:36:58,642 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:36:58,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:36:58,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:36:58,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:36:58,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:36:58,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:36:58,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:36:58,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:36:58,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:36:58,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:36:58,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:36:58,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:36:58,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:36:58,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:36:58,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:36:58,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:36:58,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:36:58,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:36:58,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:36:58,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:36:58,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:36:58,939 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:36:58,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-07-17 11:36:59,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981d020f3/54683ce2ca5b40a999fc6070bf0c8bce/FLAG591aedda7 [2020-07-17 11:36:59,607 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:36:59,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-07-17 11:36:59,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981d020f3/54683ce2ca5b40a999fc6070bf0c8bce/FLAG591aedda7 [2020-07-17 11:36:59,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981d020f3/54683ce2ca5b40a999fc6070bf0c8bce [2020-07-17 11:36:59,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:36:59,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:36:59,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:36:59,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:36:59,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:36:59,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:36:59" (1/1) ... [2020-07-17 11:36:59,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78645f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:36:59, skipping insertion in model container [2020-07-17 11:36:59,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:36:59" (1/1) ... [2020-07-17 11:36:59,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:36:59,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:37:00,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:00,407 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:37:00,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:00,534 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:37:00,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00 WrapperNode [2020-07-17 11:37:00,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:37:00,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:37:00,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:37:00,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:37:00,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (1/1) ... [2020-07-17 11:37:00,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (1/1) ... [2020-07-17 11:37:00,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (1/1) ... [2020-07-17 11:37:00,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (1/1) ... [2020-07-17 11:37:00,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (1/1) ... [2020-07-17 11:37:00,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (1/1) ... [2020-07-17 11:37:00,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (1/1) ... [2020-07-17 11:37:00,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:37:00,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:37:00,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:37:00,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:37:00,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (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 [2020-07-17 11:37:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:37:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:37:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:37:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:37:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:37:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:37:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:37:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:37:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:37:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:37:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:37:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:37:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:37:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:37:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:37:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:37:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:37:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:37:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:37:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:37:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:37:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:37:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:37:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:37:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:37:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:37:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:37:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:37:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:37:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:37:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:37:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:37:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:37:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:37:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:37:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:37:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:37:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:37:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:37:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:37:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:37:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:37:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:37:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:37:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:37:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:37:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:37:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:37:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:37:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:37:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:37:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:37:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:37:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:37:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:37:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:37:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:37:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:37:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:37:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:37:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:37:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:37:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:37:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:37:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:37:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:37:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:37:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:37:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:37:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:37:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:37:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:37:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:37:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:37:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:37:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:37:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:37:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:37:01,879 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:37:01,880 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:37:01,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:01 BoogieIcfgContainer [2020-07-17 11:37:01,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:37:01,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:37:01,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:37:01,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:37:01,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:36:59" (1/3) ... [2020-07-17 11:37:01,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef3387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:01, skipping insertion in model container [2020-07-17 11:37:01,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:00" (2/3) ... [2020-07-17 11:37:01,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef3387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:01, skipping insertion in model container [2020-07-17 11:37:01,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:01" (3/3) ... [2020-07-17 11:37:01,893 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-07-17 11:37:01,901 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:37:01,909 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:37:01,922 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:37:01,944 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:37:01,944 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:37:01,944 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:37:01,944 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:37:01,944 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:37:01,945 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:37:01,945 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:37:01,945 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:37:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-17 11:37:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:37:01,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:01,977 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:01,978 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:01,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:01,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2020-07-17 11:37:01,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:01,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028473971] [2020-07-17 11:37:01,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,642 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:02,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028473971] [2020-07-17 11:37:02,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:02,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:37:02,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093779979] [2020-07-17 11:37:02,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:37:02,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:02,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:37:02,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:37:02,824 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 4 states. [2020-07-17 11:37:03,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:03,582 INFO L93 Difference]: Finished difference Result 255 states and 332 transitions. [2020-07-17 11:37:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:37:03,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:37:03,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:03,599 INFO L225 Difference]: With dead ends: 255 [2020-07-17 11:37:03,600 INFO L226 Difference]: Without dead ends: 141 [2020-07-17 11:37:03,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:37:03,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-17 11:37:03,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2020-07-17 11:37:03,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-17 11:37:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-17 11:37:03,701 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2020-07-17 11:37:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:03,702 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-17 11:37:03,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:37:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-17 11:37:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:37:03,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:03,710 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:03,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:37:03,712 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:03,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:03,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1025601363, now seen corresponding path program 1 times [2020-07-17 11:37:03,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:03,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688178265] [2020-07-17 11:37:03,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,156 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:04,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688178265] [2020-07-17 11:37:04,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:04,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:37:04,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850233911] [2020-07-17 11:37:04,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:37:04,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:04,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:37:04,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:37:04,217 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-07-17 11:37:04,689 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:05,277 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2020-07-17 11:37:05,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:37:05,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:37:05,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:05,280 INFO L225 Difference]: With dead ends: 200 [2020-07-17 11:37:05,281 INFO L226 Difference]: Without dead ends: 131 [2020-07-17 11:37:05,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:37:05,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-17 11:37:05,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2020-07-17 11:37:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 11:37:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-07-17 11:37:05,318 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 60 [2020-07-17 11:37:05,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:05,318 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-07-17 11:37:05,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:37:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-07-17 11:37:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 11:37:05,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:05,321 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:05,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:37:05,321 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:05,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:05,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2020-07-17 11:37:05,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:05,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878714486] [2020-07-17 11:37:05,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,698 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:05,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878714486] [2020-07-17 11:37:05,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:05,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:05,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881461567] [2020-07-17 11:37:05,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:05,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:05,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:05,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:05,822 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 9 states. [2020-07-17 11:37:06,238 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:06,557 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:06,804 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:07,027 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:07,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:07,963 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2020-07-17 11:37:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:37:07,963 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-17 11:37:07,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:07,967 INFO L225 Difference]: With dead ends: 209 [2020-07-17 11:37:07,969 INFO L226 Difference]: Without dead ends: 131 [2020-07-17 11:37:07,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:37:07,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-17 11:37:08,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2020-07-17 11:37:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 11:37:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-07-17 11:37:08,021 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 64 [2020-07-17 11:37:08,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:08,023 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-07-17 11:37:08,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-07-17 11:37:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-17 11:37:08,035 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:08,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:08,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:37:08,036 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:08,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:08,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2020-07-17 11:37:08,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:08,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407060678] [2020-07-17 11:37:08,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,375 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:08,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:08,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407060678] [2020-07-17 11:37:08,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:08,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:37:08,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402129817] [2020-07-17 11:37:08,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:37:08,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:08,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:37:08,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:37:08,483 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2020-07-17 11:37:08,837 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:10,185 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:10,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:10,538 INFO L93 Difference]: Finished difference Result 299 states and 376 transitions. [2020-07-17 11:37:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:37:10,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-17 11:37:10,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:10,545 INFO L225 Difference]: With dead ends: 299 [2020-07-17 11:37:10,545 INFO L226 Difference]: Without dead ends: 221 [2020-07-17 11:37:10,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:37:10,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-17 11:37:10,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 178. [2020-07-17 11:37:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-17 11:37:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2020-07-17 11:37:10,586 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 72 [2020-07-17 11:37:10,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:10,587 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2020-07-17 11:37:10,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:37:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2020-07-17 11:37:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-17 11:37:10,588 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:10,589 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:10,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:37:10,589 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:10,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:10,589 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2020-07-17 11:37:10,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:10,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148917566] [2020-07-17 11:37:10,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,862 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:37:11,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148917566] [2020-07-17 11:37:11,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:11,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:11,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294806630] [2020-07-17 11:37:11,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:11,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:11,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:11,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:11,005 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand 9 states. [2020-07-17 11:37:11,406 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:12,078 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:12,715 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:13,038 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:13,494 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:13,740 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:14,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:14,064 INFO L93 Difference]: Finished difference Result 370 states and 457 transitions. [2020-07-17 11:37:14,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:37:14,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-07-17 11:37:14,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:14,068 INFO L225 Difference]: With dead ends: 370 [2020-07-17 11:37:14,069 INFO L226 Difference]: Without dead ends: 220 [2020-07-17 11:37:14,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:37:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-17 11:37:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 177. [2020-07-17 11:37:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-17 11:37:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2020-07-17 11:37:14,114 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 86 [2020-07-17 11:37:14,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:14,115 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2020-07-17 11:37:14,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2020-07-17 11:37:14,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-17 11:37:14,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:14,117 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:14,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:37:14,117 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:14,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:14,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2020-07-17 11:37:14,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:14,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872371783] [2020-07-17 11:37:14,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,380 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:14,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872371783] [2020-07-17 11:37:14,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:14,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:14,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987140354] [2020-07-17 11:37:14,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:14,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:14,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:14,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:14,516 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 9 states. [2020-07-17 11:37:15,526 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:15,778 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:16,038 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:16,289 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:16,728 INFO L93 Difference]: Finished difference Result 368 states and 453 transitions. [2020-07-17 11:37:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:37:16,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-17 11:37:16,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:16,733 INFO L225 Difference]: With dead ends: 368 [2020-07-17 11:37:16,733 INFO L226 Difference]: Without dead ends: 219 [2020-07-17 11:37:16,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:37:16,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-07-17 11:37:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 182. [2020-07-17 11:37:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-17 11:37:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 209 transitions. [2020-07-17 11:37:16,786 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 209 transitions. Word has length 87 [2020-07-17 11:37:16,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:16,787 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 209 transitions. [2020-07-17 11:37:16,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2020-07-17 11:37:16,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-17 11:37:16,789 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:16,789 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:16,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:37:16,789 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:16,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:16,790 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2020-07-17 11:37:16,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:16,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132732032] [2020-07-17 11:37:16,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,033 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:17,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132732032] [2020-07-17 11:37:17,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:17,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:37:17,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560782178] [2020-07-17 11:37:17,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:37:17,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:17,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:37:17,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:37:17,186 INFO L87 Difference]: Start difference. First operand 182 states and 209 transitions. Second operand 11 states. [2020-07-17 11:37:17,663 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:17,907 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:18,131 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:18,798 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:19,037 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:19,278 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:19,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:19,869 INFO L93 Difference]: Finished difference Result 380 states and 472 transitions. [2020-07-17 11:37:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:37:19,870 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 87 [2020-07-17 11:37:19,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:19,872 INFO L225 Difference]: With dead ends: 380 [2020-07-17 11:37:19,873 INFO L226 Difference]: Without dead ends: 226 [2020-07-17 11:37:19,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:37:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-17 11:37:19,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 186. [2020-07-17 11:37:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-17 11:37:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2020-07-17 11:37:19,918 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 87 [2020-07-17 11:37:19,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:19,918 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2020-07-17 11:37:19,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:37:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2020-07-17 11:37:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-17 11:37:19,920 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:19,920 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:19,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:37:19,921 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:19,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2020-07-17 11:37:19,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:19,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701118953] [2020-07-17 11:37:19,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,236 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:20,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701118953] [2020-07-17 11:37:20,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:20,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:37:20,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783681785] [2020-07-17 11:37:20,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:37:20,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:20,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:37:20,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:37:20,356 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand 7 states. [2020-07-17 11:37:20,772 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:21,412 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:22,908 INFO L93 Difference]: Finished difference Result 539 states and 681 transitions. [2020-07-17 11:37:22,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 11:37:22,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2020-07-17 11:37:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:22,913 INFO L225 Difference]: With dead ends: 539 [2020-07-17 11:37:22,913 INFO L226 Difference]: Without dead ends: 381 [2020-07-17 11:37:22,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:37:22,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-07-17 11:37:22,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 343. [2020-07-17 11:37:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-07-17 11:37:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 404 transitions. [2020-07-17 11:37:22,970 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 404 transitions. Word has length 87 [2020-07-17 11:37:22,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:22,970 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 404 transitions. [2020-07-17 11:37:22,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:37:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 404 transitions. [2020-07-17 11:37:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-17 11:37:22,972 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:22,972 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:22,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:37:22,972 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:22,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:22,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2020-07-17 11:37:22,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:22,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188487165] [2020-07-17 11:37:22,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,282 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:23,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188487165] [2020-07-17 11:37:23,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:23,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:37:23,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155121234] [2020-07-17 11:37:23,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:37:23,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:23,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:37:23,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:37:23,444 INFO L87 Difference]: Start difference. First operand 343 states and 404 transitions. Second operand 12 states. [2020-07-17 11:37:23,994 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:24,675 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:25,552 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:25,843 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:26,080 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:26,341 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:26,603 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:27,391 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:27,639 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:28,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:28,179 INFO L93 Difference]: Finished difference Result 937 states and 1174 transitions. [2020-07-17 11:37:28,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-17 11:37:28,188 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-07-17 11:37:28,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:28,192 INFO L225 Difference]: With dead ends: 937 [2020-07-17 11:37:28,193 INFO L226 Difference]: Without dead ends: 687 [2020-07-17 11:37:28,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 11:37:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-07-17 11:37:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 580. [2020-07-17 11:37:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-17 11:37:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 676 transitions. [2020-07-17 11:37:28,293 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 676 transitions. Word has length 91 [2020-07-17 11:37:28,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:28,294 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 676 transitions. [2020-07-17 11:37:28,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:37:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 676 transitions. [2020-07-17 11:37:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-17 11:37:28,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:28,296 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:28,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:37:28,297 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:28,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:28,297 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2020-07-17 11:37:28,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:28,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632344900] [2020-07-17 11:37:28,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,630 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 11:37:28,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632344900] [2020-07-17 11:37:28,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869199962] [2020-07-17 11:37:28,959 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 [2020-07-17 11:37:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:29,271 INFO L264 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:37:29,283 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:37:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:37:29,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:37:29,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:37:29,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098260266] [2020-07-17 11:37:29,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:37:29,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:29,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:37:29,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:37:29,481 INFO L87 Difference]: Start difference. First operand 580 states and 676 transitions. Second operand 20 states. [2020-07-17 11:37:30,191 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:30,536 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:30,811 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:31,082 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:31,767 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:32,053 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:32,443 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:37:33,113 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:33,480 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:34,638 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:37:34,931 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:35,227 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:35,994 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:37:36,534 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:36,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:36,806 INFO L93 Difference]: Finished difference Result 904 states and 1076 transitions. [2020-07-17 11:37:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-17 11:37:36,806 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 134 [2020-07-17 11:37:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:36,807 INFO L225 Difference]: With dead ends: 904 [2020-07-17 11:37:36,808 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:37:36,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=467, Invalid=1885, Unknown=0, NotChecked=0, Total=2352 [2020-07-17 11:37:36,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:37:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:37:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:37:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:37:36,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-07-17 11:37:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:36,812 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:37:36,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:37:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:37:36,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:37:37,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:37:37,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:37:37,539 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 225 [2020-07-17 11:37:39,618 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-07-17 11:37:39,790 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 223 [2020-07-17 11:37:40,121 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 232 [2020-07-17 11:37:41,051 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-17 11:37:41,384 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-07-17 11:37:41,542 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:37:41,708 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-17 11:37:41,934 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 26 [2020-07-17 11:37:42,099 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:37:42,660 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-07-17 11:37:42,827 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-17 11:37:42,963 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:37:43,159 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:44,117 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2020-07-17 11:37:44,255 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:37:44,591 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-07-17 11:37:45,435 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-17 11:37:45,716 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-07-17 11:37:45,897 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-17 11:37:46,825 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-07-17 11:37:47,370 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 26 [2020-07-17 11:37:48,268 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 28 [2020-07-17 11:37:48,450 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-17 11:37:49,049 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-17 11:37:49,437 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-17 11:37:49,938 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-07-17 11:37:50,106 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-17 11:37:50,387 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 14 [2020-07-17 11:37:50,564 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-17 11:37:50,721 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-17 11:37:51,345 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-17 11:37:51,561 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-07-17 11:37:51,719 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:37:51,887 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-07-17 11:37:52,159 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2020-07-17 11:37:52,324 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:37:52,467 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:37:52,651 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-17 11:37:52,829 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-17 11:37:53,008 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-17 11:37:53,028 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:37:53,028 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:37:53,028 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:37:53,028 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-17 11:37:53,028 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:37:53,029 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-17 11:37:53,029 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:37:53,029 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:37:53,029 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 11:37:53,029 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-17 11:37:53,029 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:37:53,029 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:37:53,030 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:37:53,030 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 11:37:53,030 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:37:53,030 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-17 11:37:53,030 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:37:53,030 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-17 11:37:53,030 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2020-07-17 11:37:53,030 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2020-07-17 11:37:53,031 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2020-07-17 11:37:53,031 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2020-07-17 11:37:53,031 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2020-07-17 11:37:53,031 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,031 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2020-07-17 11:37:53,031 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2020-07-17 11:37:53,032 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1 .cse2))) [2020-07-17 11:37:53,032 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-07-17 11:37:53,032 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2020-07-17 11:37:53,032 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2020-07-17 11:37:53,032 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-17 11:37:53,032 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2020-07-17 11:37:53,032 INFO L268 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-07-17 11:37:53,033 INFO L268 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-07-17 11:37:53,033 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1))) [2020-07-17 11:37:53,033 INFO L268 CegarLoopResult]: For program point L909-1(line 909) no Hoare annotation was computed. [2020-07-17 11:37:53,033 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2020-07-17 11:37:53,033 INFO L268 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-07-17 11:37:53,033 INFO L268 CegarLoopResult]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2020-07-17 11:37:53,033 INFO L271 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: true [2020-07-17 11:37:53,034 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-07-17 11:37:53,034 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 752 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,034 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,034 INFO L264 CegarLoopResult]: At program point L764-1(line 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,034 INFO L268 CegarLoopResult]: For program point L762(lines 762 769) no Hoare annotation was computed. [2020-07-17 11:37:53,034 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2020-07-17 11:37:53,035 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2020-07-17 11:37:53,035 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-17 11:37:53,035 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,035 INFO L264 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,035 INFO L264 CegarLoopResult]: At program point L758-1(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,035 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2020-07-17 11:37:53,035 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-07-17 11:37:53,036 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-07-17 11:37:53,037 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-07-17 11:37:53,038 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2020-07-17 11:37:53,038 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2020-07-17 11:37:53,038 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2020-07-17 11:37:53,038 INFO L268 CegarLoopResult]: For program point L603(lines 603 611) no Hoare annotation was computed. [2020-07-17 11:37:53,038 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 611) no Hoare annotation was computed. [2020-07-17 11:37:53,038 INFO L268 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-07-17 11:37:53,038 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 584 619) no Hoare annotation was computed. [2020-07-17 11:37:53,038 INFO L268 CegarLoopResult]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2020-07-17 11:37:53,039 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 584 619) no Hoare annotation was computed. [2020-07-17 11:37:53,039 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-17 11:37:53,039 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-17 11:37:53,039 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 584 619) no Hoare annotation was computed. [2020-07-17 11:37:53,039 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2020-07-17 11:37:53,039 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2020-07-17 11:37:53,039 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:37:53,040 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:37:53,041 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,041 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2020-07-17 11:37:53,041 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,041 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2020-07-17 11:37:53,041 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 564 574) no Hoare annotation was computed. [2020-07-17 11:37:53,041 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 564 574) no Hoare annotation was computed. [2020-07-17 11:37:53,041 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-17 11:37:53,041 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-17 11:37:53,042 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 564 574) no Hoare annotation was computed. [2020-07-17 11:37:53,042 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 556 563) no Hoare annotation was computed. [2020-07-17 11:37:53,042 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 556 563) no Hoare annotation was computed. [2020-07-17 11:37:53,042 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 556 563) no Hoare annotation was computed. [2020-07-17 11:37:53,042 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2020-07-17 11:37:53,042 INFO L268 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-07-17 11:37:53,042 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2020-07-17 11:37:53,042 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2020-07-17 11:37:53,043 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:37:53,043 INFO L268 CegarLoopResult]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2020-07-17 11:37:53,043 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~4) (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-17 11:37:53,043 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2020-07-17 11:37:53,043 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-17 11:37:53,043 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0))) [2020-07-17 11:37:53,044 INFO L268 CegarLoopResult]: For program point L531(lines 531 539) no Hoare annotation was computed. [2020-07-17 11:37:53,044 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-17 11:37:53,044 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-07-17 11:37:53,044 INFO L268 CegarLoopResult]: For program point L527(lines 527 544) no Hoare annotation was computed. [2020-07-17 11:37:53,044 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2020-07-17 11:37:53,044 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2020-07-17 11:37:53,045 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,045 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4) (not (= 1 |old(~waterLevel~0)|)) (not .cse2))) [2020-07-17 11:37:53,045 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-07-17 11:37:53,045 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-07-17 11:37:53,045 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2020-07-17 11:37:53,045 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (not .cse2))) [2020-07-17 11:37:53,046 INFO L264 CegarLoopResult]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (not .cse2))) [2020-07-17 11:37:53,046 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-17 11:37:53,046 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-07-17 11:37:53,046 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-17 11:37:53,046 INFO L264 CegarLoopResult]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:37:53,046 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-07-17 11:37:53,046 INFO L264 CegarLoopResult]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1) (not (= 1 ~systemActive~0)))) [2020-07-17 11:37:53,046 INFO L268 CegarLoopResult]: For program point L421(lines 420 465) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point L450(lines 450 461) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:37:53,047 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 833 855) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 833 855) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 833 855) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:37:53,048 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:37:53,049 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-17 11:37:53,050 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-17 11:37:53,050 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 644 653) no Hoare annotation was computed. [2020-07-17 11:37:53,050 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 644 653) no Hoare annotation was computed. [2020-07-17 11:37:53,050 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 644 653) no Hoare annotation was computed. [2020-07-17 11:37:53,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:53,050 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.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~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:37:53,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:53,051 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2020-07-17 11:37:53,051 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2020-07-17 11:37:53,051 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,051 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2020-07-17 11:37:53,051 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2020-07-17 11:37:53,051 INFO L268 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-07-17 11:37:53,051 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2020-07-17 11:37:53,052 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-17 11:37:53,052 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2020-07-17 11:37:53,052 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-17 11:37:53,052 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2020-07-17 11:37:53,052 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2020-07-17 11:37:53,052 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2020-07-17 11:37:53,052 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:53,052 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:37:53,052 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:53,053 INFO L268 CegarLoopResult]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2020-07-17 11:37:53,053 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-17 11:37:53,053 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2020-07-17 11:37:53,053 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (or (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse7 .cse6 .cse3))) [2020-07-17 11:37:53,053 INFO L264 CegarLoopResult]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse8) (and .cse8 (<= 1 ~pumpRunning~0)) .cse7 .cse6 .cse3)))) [2020-07-17 11:37:53,054 INFO L264 CegarLoopResult]: At program point L497(line 497) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-17 11:37:53,054 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (and .cse5 .cse6 .cse7) .cse1 .cse4 .cse3)))) [2020-07-17 11:37:53,054 INFO L268 CegarLoopResult]: For program point L495(lines 491 513) no Hoare annotation was computed. [2020-07-17 11:37:53,054 INFO L268 CegarLoopResult]: For program point L493(lines 491 513) no Hoare annotation was computed. [2020-07-17 11:37:53,054 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2020-07-17 11:37:53,054 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2020-07-17 11:37:53,054 INFO L271 CegarLoopResult]: At program point L704(lines 679 708) the Hoare annotation is: true [2020-07-17 11:37:53,054 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2020-07-17 11:37:53,055 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2020-07-17 11:37:53,055 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-17 11:37:53,055 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-17 11:37:53,055 INFO L271 CegarLoopResult]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2020-07-17 11:37:53,055 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-17 11:37:53,055 INFO L271 CegarLoopResult]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2020-07-17 11:37:53,055 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-17 11:37:53,055 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-17 11:37:53,055 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 824 832) no Hoare annotation was computed. [2020-07-17 11:37:53,056 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 824 832) no Hoare annotation was computed. [2020-07-17 11:37:53,056 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 824 832) no Hoare annotation was computed. [2020-07-17 11:37:53,056 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:37:53,056 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2020-07-17 11:37:53,056 INFO L268 CegarLoopResult]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2020-07-17 11:37:53,056 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2020-07-17 11:37:53,056 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2020-07-17 11:37:53,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:53,057 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:37:53,057 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:37:53,057 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:53,057 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2020-07-17 11:37:53,057 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or (= 1 ~waterLevel~0) .cse3 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse4 .cse3 .cse2) (or .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2020-07-17 11:37:53,057 INFO L268 CegarLoopResult]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2020-07-17 11:37:53,057 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2020-07-17 11:37:53,058 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2020-07-17 11:37:53,058 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2020-07-17 11:37:53,058 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2020-07-17 11:37:53,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:37:53 BoogieIcfgContainer [2020-07-17 11:37:53,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:37:53,078 INFO L168 Benchmark]: Toolchain (without parser) took 53198.56 ms. Allocated memory was 135.3 MB in the beginning and 769.1 MB in the end (delta: 633.9 MB). Free memory was 99.1 MB in the beginning and 216.7 MB in the end (delta: -117.6 MB). Peak memory consumption was 640.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:53,078 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:37:53,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.40 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.7 MB in the beginning and 170.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:53,080 INFO L168 Benchmark]: Boogie Preprocessor took 88.45 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:53,080 INFO L168 Benchmark]: RCFGBuilder took 1261.00 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 165.7 MB in the beginning and 197.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:53,081 INFO L168 Benchmark]: TraceAbstraction took 51189.92 ms. Allocated memory was 227.5 MB in the beginning and 769.1 MB in the end (delta: 541.6 MB). Free memory was 195.6 MB in the beginning and 216.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 644.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:53,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.40 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.7 MB in the beginning and 170.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.45 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.00 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 165.7 MB in the beginning and 197.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 51189.92 ms. Allocated memory was 227.5 MB in the beginning and 769.1 MB in the end (delta: 541.6 MB). Free memory was 195.6 MB in the beginning and 216.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 644.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || ((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || !(1 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 28.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1166 SDtfs, 2446 SDslu, 1896 SDs, 0 SdLazy, 6637 SolverSat, 1585 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 604 GetRequests, 433 SyntacticMatches, 2 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 981 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 384 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 759 PreInvPairs, 818 NumberOfFragments, 1592 HoareAnnotationTreeSize, 759 FomulaSimplifications, 18171702 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 122222 FormulaSimplificationTreeSizeReductionInter, 12.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 961 NumberOfCodeBlocks, 961 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 319493 SizeOfPredicates, 4 NumberOfNonLiveVariables, 864 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 84/103 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...