java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:38:07,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:38:07,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:38:07,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:38:07,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:38:07,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:38:07,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:38:07,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:38:07,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:38:07,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:38:07,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:38:07,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:38:07,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:38:07,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:38:07,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:38:07,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:38:07,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:38:07,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:38:07,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:38:07,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:38:07,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:38:07,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:38:07,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:38:07,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:38:07,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:38:07,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:38:07,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:38:07,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:38:07,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:38:07,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:38:07,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:38:07,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:38:07,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:38:07,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:38:07,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:38:07,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:38:07,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:38:07,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:38:07,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:38:07,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:38:07,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:38:07,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:38:07,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:38:07,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:38:07,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:38:07,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:38:07,646 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:38:07,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:38:07,646 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:38:07,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:38:07,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:38:07,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:38:07,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:38:07,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:38:07,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:38:07,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:38:07,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:38:07,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:38:07,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:38:07,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:38:07,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:38:07,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:38:07,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:38:07,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:07,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:38:07,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:38:07,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:38:07,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:38:07,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:38:07,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:38:07,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:38:07,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:38:07,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:38:07,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:38:07,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:38:07,949 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:38:07,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-10-14 23:38:08,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f279a8ab/85660d6ece7d4b67938e23b46a7ee006/FLAGe27acc823 [2019-10-14 23:38:08,533 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:38:08,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-10-14 23:38:08,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f279a8ab/85660d6ece7d4b67938e23b46a7ee006/FLAGe27acc823 [2019-10-14 23:38:08,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f279a8ab/85660d6ece7d4b67938e23b46a7ee006 [2019-10-14 23:38:08,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:38:08,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:38:08,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:08,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:38:08,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:38:08,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:08" (1/1) ... [2019-10-14 23:38:08,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:08, skipping insertion in model container [2019-10-14 23:38:08,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:08" (1/1) ... [2019-10-14 23:38:08,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:38:08,987 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:38:09,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:09,450 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:38:09,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:09,603 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:38:09,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09 WrapperNode [2019-10-14 23:38:09,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:09,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:38:09,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:38:09,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:38:09,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... [2019-10-14 23:38:09,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... [2019-10-14 23:38:09,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... [2019-10-14 23:38:09,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... [2019-10-14 23:38:09,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... [2019-10-14 23:38:09,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... [2019-10-14 23:38:09,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... [2019-10-14 23:38:09,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:38:09,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:38:09,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:38:09,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:38:09,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:38:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:38:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:38:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:38:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 23:38:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:38:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:38:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:38:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:38:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:38:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:38:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:38:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:38:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:38:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:38:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:38:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:38:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:38:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:38:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:38:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:38:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:38:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:38:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:38:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:38:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:38:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:38:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:38:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:38:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:38:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:38:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:38:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:38:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:38:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:38:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:38:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:38:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:38:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:38:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:38:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:38:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:38:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:38:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:38:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:38:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:38:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:38:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:38:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 23:38:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:38:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:38:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:38:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:38:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:38:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:38:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:38:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:38:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:38:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:38:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:38:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:38:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:38:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:38:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:38:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:38:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:38:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:38:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:38:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:38:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:38:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:38:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:38:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:38:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:38:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:38:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:38:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:38:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:38:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:38:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:38:10,920 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:38:10,920 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:38:10,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:10 BoogieIcfgContainer [2019-10-14 23:38:10,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:38:10,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:38:10,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:38:10,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:38:10,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:08" (1/3) ... [2019-10-14 23:38:10,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5887fac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:10, skipping insertion in model container [2019-10-14 23:38:10,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:09" (2/3) ... [2019-10-14 23:38:10,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5887fac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:10, skipping insertion in model container [2019-10-14 23:38:10,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:10" (3/3) ... [2019-10-14 23:38:10,932 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2019-10-14 23:38:10,942 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:38:10,951 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:38:10,963 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:38:10,998 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:38:10,999 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:38:10,999 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:38:10,999 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:38:11,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:38:11,000 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:38:11,000 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:38:11,000 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:38:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2019-10-14 23:38:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:38:11,048 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:11,049 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:11,051 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:11,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:11,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1715391972, now seen corresponding path program 1 times [2019-10-14 23:38:11,066 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:11,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097520950] [2019-10-14 23:38:11,067 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:11,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:11,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,695 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:11,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097520950] [2019-10-14 23:38:11,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:11,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:38:11,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086643094] [2019-10-14 23:38:11,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:38:11,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:11,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:38:11,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:11,845 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 3 states. [2019-10-14 23:38:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:12,874 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2019-10-14 23:38:12,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:38:12,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:38:12,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:12,903 INFO L225 Difference]: With dead ends: 285 [2019-10-14 23:38:12,903 INFO L226 Difference]: Without dead ends: 154 [2019-10-14 23:38:12,911 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:12,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-14 23:38:12,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2019-10-14 23:38:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-14 23:38:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-10-14 23:38:13,005 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2019-10-14 23:38:13,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:13,005 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-10-14 23:38:13,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:38:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-10-14 23:38:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:38:13,009 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:13,009 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:13,009 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:13,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:13,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1451016252, now seen corresponding path program 1 times [2019-10-14 23:38:13,010 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:13,010 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735624698] [2019-10-14 23:38:13,011 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:13,011 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:13,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,380 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:13,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735624698] [2019-10-14 23:38:13,413 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:13,413 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:38:13,413 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036411106] [2019-10-14 23:38:13,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:38:13,415 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:13,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:38:13,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:38:13,416 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2019-10-14 23:38:13,873 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:14,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:14,608 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2019-10-14 23:38:14,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:38:14,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:38:14,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:14,612 INFO L225 Difference]: With dead ends: 218 [2019-10-14 23:38:14,612 INFO L226 Difference]: Without dead ends: 138 [2019-10-14 23:38:14,614 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:38:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-14 23:38:14,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-14 23:38:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-14 23:38:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-10-14 23:38:14,647 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2019-10-14 23:38:14,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:14,647 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-10-14 23:38:14,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:38:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-10-14 23:38:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 23:38:14,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:14,650 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:14,650 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:14,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:14,650 INFO L82 PathProgramCache]: Analyzing trace with hash 880823031, now seen corresponding path program 1 times [2019-10-14 23:38:14,651 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:14,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022690528] [2019-10-14 23:38:14,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:14,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:14,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:14,980 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:15,055 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022690528] [2019-10-14 23:38:15,055 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:15,055 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:38:15,056 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44016795] [2019-10-14 23:38:15,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:38:15,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:15,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:38:15,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:38:15,057 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2019-10-14 23:38:15,524 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:15,824 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:16,124 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:16,372 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:17,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:17,438 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2019-10-14 23:38:17,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:38:17,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-14 23:38:17,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:17,442 INFO L225 Difference]: With dead ends: 227 [2019-10-14 23:38:17,442 INFO L226 Difference]: Without dead ends: 138 [2019-10-14 23:38:17,444 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-14 23:38:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-14 23:38:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-14 23:38:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-14 23:38:17,475 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2019-10-14 23:38:17,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:17,476 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-14 23:38:17,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:38:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-14 23:38:17,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-14 23:38:17,478 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:17,478 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:17,478 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:17,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:17,479 INFO L82 PathProgramCache]: Analyzing trace with hash 2056665484, now seen corresponding path program 1 times [2019-10-14 23:38:17,479 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:17,479 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345776743] [2019-10-14 23:38:17,479 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,480 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,808 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:17,930 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345776743] [2019-10-14 23:38:17,930 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:17,931 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:38:17,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128078426] [2019-10-14 23:38:17,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:38:17,931 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:17,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:38:17,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:17,932 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2019-10-14 23:38:18,465 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:18,816 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:19,088 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:19,332 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:19,931 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:21,211 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:21,593 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:21,893 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:22,177 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:38:22,460 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:22,801 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:23,097 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:23,405 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:24,435 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2019-10-14 23:38:24,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:38:24,435 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2019-10-14 23:38:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:24,439 INFO L225 Difference]: With dead ends: 438 [2019-10-14 23:38:24,439 INFO L226 Difference]: Without dead ends: 349 [2019-10-14 23:38:24,441 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:38:24,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-14 23:38:24,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2019-10-14 23:38:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 23:38:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2019-10-14 23:38:24,511 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2019-10-14 23:38:24,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:24,512 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2019-10-14 23:38:24,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:38:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2019-10-14 23:38:24,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-14 23:38:24,515 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:24,515 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:24,516 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:24,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:24,516 INFO L82 PathProgramCache]: Analyzing trace with hash -2113576122, now seen corresponding path program 1 times [2019-10-14 23:38:24,516 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:24,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672542350] [2019-10-14 23:38:24,517 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,517 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,808 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:24,875 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672542350] [2019-10-14 23:38:24,875 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:24,876 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:38:24,876 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505898206] [2019-10-14 23:38:24,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:38:24,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:24,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:38:24,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:38:24,877 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2019-10-14 23:38:25,258 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:25,801 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2019-10-14 23:38:25,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:38:25,801 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-14 23:38:25,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:25,803 INFO L225 Difference]: With dead ends: 434 [2019-10-14 23:38:25,803 INFO L226 Difference]: Without dead ends: 178 [2019-10-14 23:38:25,804 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:38:25,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-10-14 23:38:25,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2019-10-14 23:38:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-14 23:38:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2019-10-14 23:38:25,838 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 68 [2019-10-14 23:38:25,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:25,839 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2019-10-14 23:38:25,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:38:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2019-10-14 23:38:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-14 23:38:25,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:25,843 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:25,843 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:25,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:25,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1672476349, now seen corresponding path program 1 times [2019-10-14 23:38:25,844 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:25,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626128554] [2019-10-14 23:38:25,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:25,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:25,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,166 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-14 23:38:26,357 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626128554] [2019-10-14 23:38:26,357 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810831469] [2019-10-14 23:38:26,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:38:26,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:38:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:38:26,713 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:38:26,713 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-14 23:38:26,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777435015] [2019-10-14 23:38:26,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 23:38:26,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:26,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 23:38:26,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:38:26,716 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 15 states. [2019-10-14 23:38:27,394 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:28,131 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:28,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:28,859 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2019-10-14 23:38:28,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:38:28,860 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2019-10-14 23:38:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:28,860 INFO L225 Difference]: With dead ends: 223 [2019-10-14 23:38:28,861 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:38:28,862 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-10-14 23:38:28,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:38:28,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:38:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:38:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:38:28,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2019-10-14 23:38:28,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:28,862 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:38:28,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 23:38:28,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:38:28,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:38:29,063 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:29,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:38:29,558 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2019-10-14 23:38:30,977 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:31,129 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:31,621 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:32,070 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:32,279 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:32,723 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:32,883 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:33,122 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:33,294 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:33,513 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:33,952 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:34,389 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:34,826 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-14 23:38:35,259 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:38:35,411 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:35,969 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:36,177 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:36,352 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:36,591 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:36,740 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-14 23:38:37,006 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-14 23:38:37,166 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-14 23:38:37,204 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-14 23:38:37,204 INFO L443 ceAbstractionStarter]: For program point L382-2(lines 382 403) no Hoare annotation was computed. [2019-10-14 23:38:37,204 INFO L443 ceAbstractionStarter]: For program point L404(lines 381 405) no Hoare annotation was computed. [2019-10-14 23:38:37,204 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 357 412) no Hoare annotation was computed. [2019-10-14 23:38:37,204 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 357 412) no Hoare annotation was computed. [2019-10-14 23:38:37,204 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2019-10-14 23:38:37,204 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 357 412) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 449) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 445 449) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 413 472) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point L439-2(lines 439 464) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point L465(lines 438 466) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 413 472) no Hoare annotation was computed. [2019-10-14 23:38:37,205 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-14 23:38:37,206 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 413 472) no Hoare annotation was computed. [2019-10-14 23:38:37,206 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-14 23:38:37,206 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 692 698) the Hoare annotation is: true [2019-10-14 23:38:37,206 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 692 698) no Hoare annotation was computed. [2019-10-14 23:38:37,206 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 699 707) no Hoare annotation was computed. [2019-10-14 23:38:37,206 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 699 707) the Hoare annotation is: true [2019-10-14 23:38:37,206 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 699 707) no Hoare annotation was computed. [2019-10-14 23:38:37,207 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 806 830) the Hoare annotation is: true [2019-10-14 23:38:37,207 INFO L439 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,207 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 806 830) no Hoare annotation was computed. [2019-10-14 23:38:37,207 INFO L443 ceAbstractionStarter]: For program point L818(lines 818 824) no Hoare annotation was computed. [2019-10-14 23:38:37,207 INFO L439 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,207 INFO L443 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2019-10-14 23:38:37,207 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 827) no Hoare annotation was computed. [2019-10-14 23:38:37,208 INFO L443 ceAbstractionStarter]: For program point L814-1(lines 806 830) no Hoare annotation was computed. [2019-10-14 23:38:37,208 INFO L446 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2019-10-14 23:38:37,208 INFO L443 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2019-10-14 23:38:37,208 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 781 803) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,208 INFO L439 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,208 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 781 803) no Hoare annotation was computed. [2019-10-14 23:38:37,209 INFO L439 ceAbstractionStarter]: At program point L793-1(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,209 INFO L443 ceAbstractionStarter]: For program point L791(lines 791 798) no Hoare annotation was computed. [2019-10-14 23:38:37,209 INFO L443 ceAbstractionStarter]: For program point L791-1(lines 791 798) no Hoare annotation was computed. [2019-10-14 23:38:37,209 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-14 23:38:37,209 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,209 INFO L439 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,210 INFO L439 ceAbstractionStarter]: At program point L787-1(line 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 781 803) no Hoare annotation was computed. [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 740 763) no Hoare annotation was computed. [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 740 763) no Hoare annotation was computed. [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 740 763) no Hoare annotation was computed. [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point L756(line 756) no Hoare annotation was computed. [2019-10-14 23:38:37,210 INFO L443 ceAbstractionStarter]: For program point L755(line 755) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L754(line 754) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L752(line 752) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L751(line 751) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L749(line 749) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L747(line 747) no Hoare annotation was computed. [2019-10-14 23:38:37,211 INFO L443 ceAbstractionStarter]: For program point L746(line 746) no Hoare annotation was computed. [2019-10-14 23:38:37,212 INFO L443 ceAbstractionStarter]: For program point L745(line 745) no Hoare annotation was computed. [2019-10-14 23:38:37,212 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2019-10-14 23:38:37,212 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2019-10-14 23:38:37,212 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2019-10-14 23:38:37,212 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2019-10-14 23:38:37,212 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2019-10-14 23:38:37,212 INFO L446 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2019-10-14 23:38:37,212 INFO L443 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2019-10-14 23:38:37,213 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 685 691) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 685 691) the Hoare annotation is: true [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 311 356) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 311 356) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 311 356) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 658) no Hoare annotation was computed. [2019-10-14 23:38:37,214 INFO L443 ceAbstractionStarter]: For program point L638-1(lines 638 658) no Hoare annotation was computed. [2019-10-14 23:38:37,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 624 669) no Hoare annotation was computed. [2019-10-14 23:38:37,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 624 669) no Hoare annotation was computed. [2019-10-14 23:38:37,215 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 624 669) no Hoare annotation was computed. [2019-10-14 23:38:37,215 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 651) no Hoare annotation was computed. [2019-10-14 23:38:37,215 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 771 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,215 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 771 780) no Hoare annotation was computed. [2019-10-14 23:38:37,215 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 771 780) no Hoare annotation was computed. [2019-10-14 23:38:37,215 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2019-10-14 23:38:37,216 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-14 23:38:37,216 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-14 23:38:37,216 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2019-10-14 23:38:37,216 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2019-10-14 23:38:37,216 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: true [2019-10-14 23:38:37,216 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2019-10-14 23:38:37,216 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2019-10-14 23:38:37,216 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2019-10-14 23:38:37,217 INFO L439 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,217 INFO L439 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,217 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-10-14 23:38:37,217 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2019-10-14 23:38:37,217 INFO L439 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,217 INFO L443 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2019-10-14 23:38:37,217 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:37,218 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-10-14 23:38:37,218 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:37,218 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2019-10-14 23:38:37,218 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2019-10-14 23:38:37,218 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,218 INFO L439 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:37,218 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2019-10-14 23:38:37,218 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-10-14 23:38:37,219 INFO L439 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:37,219 INFO L443 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-10-14 23:38:37,219 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2019-10-14 23:38:37,219 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:37,219 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-10-14 23:38:37,219 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-10-14 23:38:37,219 INFO L439 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:37,219 INFO L439 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 578 623) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 605) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 578 623) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 578 623) no Hoare annotation was computed. [2019-10-14 23:38:37,220 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 612) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point L592-1(lines 592 612) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 911 919) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 911 919) the Hoare annotation is: true [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 911 919) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 879 901) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 895) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 879 901) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point L887-2(lines 887 895) no Hoare annotation was computed. [2019-10-14 23:38:37,221 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 879 901) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point L545(lines 523 546) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 475 577) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 520) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 571) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 544) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point L556-1(line 556) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 562) no Hoare annotation was computed. [2019-10-14 23:38:37,222 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 475 577) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point L540-1(line 540) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 574) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 475 577) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point L524-2(lines 524 544) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 675 684) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 675 684) no Hoare annotation was computed. [2019-10-14 23:38:37,223 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 675 684) no Hoare annotation was computed. [2019-10-14 23:38:37,224 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:37,224 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2019-10-14 23:38:37,224 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:37,224 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2019-10-14 23:38:37,224 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-14 23:38:37,224 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 136 143) no Hoare annotation was computed. [2019-10-14 23:38:37,224 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 902 910) the Hoare annotation is: true [2019-10-14 23:38:37,225 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 902 910) no Hoare annotation was computed. [2019-10-14 23:38:37,225 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 902 910) no Hoare annotation was computed. [2019-10-14 23:38:37,225 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 858 869) no Hoare annotation was computed. [2019-10-14 23:38:37,225 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 858 869) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,225 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 858 869) no Hoare annotation was computed. [2019-10-14 23:38:37,225 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:37,225 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:37,225 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:37,226 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 870 878) the Hoare annotation is: true [2019-10-14 23:38:37,226 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 870 878) no Hoare annotation was computed. [2019-10-14 23:38:37,226 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 870 878) no Hoare annotation was computed. [2019-10-14 23:38:37,226 INFO L439 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 (and (= 1 ~waterLevel~0) .cse2) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:37,226 INFO L439 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:38:37,226 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2019-10-14 23:38:37,227 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:37,227 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2019-10-14 23:38:37,227 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2019-10-14 23:38:37,227 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:37,227 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 710 739) no Hoare annotation was computed. [2019-10-14 23:38:37,227 INFO L446 ceAbstractionStarter]: At program point L735(lines 710 739) the Hoare annotation is: true [2019-10-14 23:38:37,227 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 710 739) the Hoare annotation is: true [2019-10-14 23:38:37,228 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-10-14 23:38:37,228 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-10-14 23:38:37,228 INFO L446 ceAbstractionStarter]: At program point L724-1(lines 724 728) the Hoare annotation is: true [2019-10-14 23:38:37,228 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-10-14 23:38:37,228 INFO L446 ceAbstractionStarter]: At program point L720-2(lines 720 734) the Hoare annotation is: true [2019-10-14 23:38:37,228 INFO L446 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2019-10-14 23:38:37,228 INFO L443 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2019-10-14 23:38:37,228 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 834 845) the Hoare annotation is: true [2019-10-14 23:38:37,229 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 834 845) no Hoare annotation was computed. [2019-10-14 23:38:37,229 INFO L443 ceAbstractionStarter]: For program point L838-1(lines 834 845) no Hoare annotation was computed. [2019-10-14 23:38:37,229 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 764 770) no Hoare annotation was computed. [2019-10-14 23:38:37,229 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 764 770) the Hoare annotation is: true [2019-10-14 23:38:37,229 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:37,229 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:37,229 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:37,229 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:37,230 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 846 857) no Hoare annotation was computed. [2019-10-14 23:38:37,230 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 846 857) no Hoare annotation was computed. [2019-10-14 23:38:37,230 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 846 857) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-14 23:38:37,230 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 296 303) no Hoare annotation was computed. [2019-10-14 23:38:37,230 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 296 303) the Hoare annotation is: true [2019-10-14 23:38:37,230 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2019-10-14 23:38:37,231 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 296 303) no Hoare annotation was computed. [2019-10-14 23:38:37,231 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,231 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2019-10-14 23:38:37,231 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-10-14 23:38:37,231 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,231 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:37,232 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-10-14 23:38:37,232 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-10-14 23:38:37,232 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:37,232 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2019-10-14 23:38:37,232 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:37,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:37 BoogieIcfgContainer [2019-10-14 23:38:37,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:37,251 INFO L168 Benchmark]: Toolchain (without parser) took 28330.08 ms. Allocated memory was 139.5 MB in the beginning and 585.6 MB in the end (delta: 446.2 MB). Free memory was 103.0 MB in the beginning and 127.2 MB in the end (delta: -24.1 MB). Peak memory consumption was 464.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:37,252 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:37,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.75 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 174.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:37,254 INFO L168 Benchmark]: Boogie Preprocessor took 79.28 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:37,255 INFO L168 Benchmark]: RCFGBuilder took 1238.92 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 169.8 MB in the beginning and 200.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:37,258 INFO L168 Benchmark]: TraceAbstraction took 26325.75 ms. Allocated memory was 235.9 MB in the beginning and 585.6 MB in the end (delta: 349.7 MB). Free memory was 200.0 MB in the beginning and 127.2 MB in the end (delta: 72.8 MB). Peak memory consumption was 465.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:37,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.75 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 174.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.28 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1238.92 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 169.8 MB in the beginning and 200.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26325.75 ms. Allocated memory was 235.9 MB in the beginning and 585.6 MB in the end (delta: 349.7 MB). Free memory was 200.0 MB in the beginning and 127.2 MB in the end (delta: 72.8 MB). Peak memory consumption was 465.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: 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: 241]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Result: SAFE, OverallTime: 26.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, HoareTripleCheckerStatistics: 571 SDtfs, 1146 SDslu, 473 SDs, 0 SdLazy, 2862 SolverSat, 727 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1117 HoareAnnotationTreeSize, 412 FomulaSimplifications, 40461 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 57 FomulaSimplificationsInter, 8593 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 145514 SizeOfPredicates, 3 NumberOfNonLiveVariables, 765 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 69/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...