/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:46:21,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:46:21,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:46:21,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:46:21,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:46:21,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:46:21,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:46:21,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:46:21,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:46:21,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:46:21,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:46:21,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:46:21,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:46:21,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:46:21,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:46:21,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:46:21,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:46:21,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:46:21,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:46:21,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:46:21,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:46:21,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:46:21,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:46:21,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:46:21,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:46:21,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:46:21,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:46:21,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:46:21,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:46:21,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:46:21,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:46:21,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:46:21,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:46:21,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:46:21,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:46:21,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:46:21,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:46:21,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:46:21,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:46:21,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:46:21,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:46:21,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:46:21,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:46:21,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:46:21,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:46:21,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:46:21,658 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:46:21,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:46:21,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:46:21,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:46:21,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:46:21,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:46:21,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:46:21,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:46:21,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:46:21,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:46:21,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:46:21,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:46:21,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:46:21,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:46:21,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:46:21,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:46:21,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:46:21,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:46:21,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:46:21,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:46:21,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:46:21,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:46:21,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:46:21,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:46:21,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:46:21,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:46:21,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:46:21,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:46:21,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:46:21,946 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:46:21,946 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:46:21,947 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-07-07 10:46:22,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47592f54/1a8fff9966764981b22159c8adb0f92e/FLAGe389c8258 [2020-07-07 10:46:22,517 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:46:22,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-07-07 10:46:22,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47592f54/1a8fff9966764981b22159c8adb0f92e/FLAGe389c8258 [2020-07-07 10:46:22,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47592f54/1a8fff9966764981b22159c8adb0f92e [2020-07-07 10:46:22,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:46:22,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:46:22,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:22,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:46:22,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:46:22,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:22" (1/1) ... [2020-07-07 10:46:22,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be4e3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:22, skipping insertion in model container [2020-07-07 10:46:22,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:22" (1/1) ... [2020-07-07 10:46:22,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:46:22,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:46:23,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:23,229 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:46:23,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:23,485 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:46:23,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23 WrapperNode [2020-07-07 10:46:23,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:23,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:46:23,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:46:23,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:46:23,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... [2020-07-07 10:46:23,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... [2020-07-07 10:46:23,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... [2020-07-07 10:46:23,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... [2020-07-07 10:46:23,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... [2020-07-07 10:46:23,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... [2020-07-07 10:46:23,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... [2020-07-07 10:46:23,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:46:23,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:46:23,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:46:23,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:46:23,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:46:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:46:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:46:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:46:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:46:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:46:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:46:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:46:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:46:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:46:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:46:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:46:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:46:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:46:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:46:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:46:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:46:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:46:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:46:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:46:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:46:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:46:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:46:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:46:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:46:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:46:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:46:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:46:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:46:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:46:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:46:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:46:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:46:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:46:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:46:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:46:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:46:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:46:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:46:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:46:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:46:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:46:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:46:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:46:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:46:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:46:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:46:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:46:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:46:24,728 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:46:24,729 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:46:24,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:24 BoogieIcfgContainer [2020-07-07 10:46:24,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:46:24,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:46:24,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:46:24,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:46:24,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:46:22" (1/3) ... [2020-07-07 10:46:24,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbbf803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:24, skipping insertion in model container [2020-07-07 10:46:24,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:23" (2/3) ... [2020-07-07 10:46:24,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbbf803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:24, skipping insertion in model container [2020-07-07 10:46:24,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:24" (3/3) ... [2020-07-07 10:46:24,742 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-07-07 10:46:24,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:46:24,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:46:24,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:46:24,793 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:46:24,793 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:46:24,793 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:46:24,793 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:46:24,794 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:46:24,794 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:46:24,794 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:46:24,794 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:46:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-07 10:46:24,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:46:24,824 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:24,825 INFO L422 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] [2020-07-07 10:46:24,826 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:24,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:24,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1393146994, now seen corresponding path program 1 times [2020-07-07 10:46:24,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:24,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378820002] [2020-07-07 10:46:24,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,556 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:46:25,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378820002] [2020-07-07 10:46:25,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:25,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:46:25,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661421149] [2020-07-07 10:46:25,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:46:25,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:25,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:46:25,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:46:25,668 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-07-07 10:46:26,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:26,824 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2020-07-07 10:46:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:46:26,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:46:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:26,840 INFO L225 Difference]: With dead ends: 308 [2020-07-07 10:46:26,841 INFO L226 Difference]: Without dead ends: 167 [2020-07-07 10:46:26,845 INFO L675 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 [2020-07-07 10:46:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-07 10:46:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-07-07 10:46:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-07 10:46:26,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-07 10:46:26,934 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-07-07 10:46:26,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:26,934 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-07 10:46:26,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:46:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-07 10:46:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:46:26,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:26,938 INFO L422 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] [2020-07-07 10:46:26,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:46:26,939 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:26,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1814082405, now seen corresponding path program 1 times [2020-07-07 10:46:26,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:26,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530543537] [2020-07-07 10:46:26,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,252 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:46:27,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530543537] [2020-07-07 10:46:27,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:27,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:46:27,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734849031] [2020-07-07 10:46:27,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:46:27,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:27,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:46:27,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:46:27,294 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2020-07-07 10:46:27,701 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:28,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:28,503 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2020-07-07 10:46:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:46:28,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:46:28,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:28,506 INFO L225 Difference]: With dead ends: 231 [2020-07-07 10:46:28,506 INFO L226 Difference]: Without dead ends: 151 [2020-07-07 10:46:28,510 INFO L675 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 [2020-07-07 10:46:28,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-07 10:46:28,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2020-07-07 10:46:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-07 10:46:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-07 10:46:28,556 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-07-07 10:46:28,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:28,556 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-07 10:46:28,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:46:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-07 10:46:28,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:46:28,559 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:28,559 INFO L422 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] [2020-07-07 10:46:28,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:46:28,559 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:28,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:28,560 INFO L82 PathProgramCache]: Analyzing trace with hash -947171688, now seen corresponding path program 1 times [2020-07-07 10:46:28,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:28,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621000075] [2020-07-07 10:46:28,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:28,938 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:46:29,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621000075] [2020-07-07 10:46:29,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:29,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:46:29,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022645391] [2020-07-07 10:46:29,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:46:29,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:29,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:46:29,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:46:29,076 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-07-07 10:46:29,424 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:29,716 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:29,975 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:30,195 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:30,893 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:32,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:32,593 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2020-07-07 10:46:32,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:46:32,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:46:32,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:32,604 INFO L225 Difference]: With dead ends: 424 [2020-07-07 10:46:32,605 INFO L226 Difference]: Without dead ends: 325 [2020-07-07 10:46:32,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:46:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-07-07 10:46:32,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2020-07-07 10:46:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-07 10:46:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2020-07-07 10:46:32,683 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2020-07-07 10:46:32,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:32,684 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2020-07-07 10:46:32,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:46:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2020-07-07 10:46:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:46:32,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:32,687 INFO L422 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] [2020-07-07 10:46:32,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:46:32,687 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:32,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:32,688 INFO L82 PathProgramCache]: Analyzing trace with hash -306167776, now seen corresponding path program 1 times [2020-07-07 10:46:32,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:32,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660394466] [2020-07-07 10:46:32,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,029 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:46:33,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660394466] [2020-07-07 10:46:33,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:33,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:46:33,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680237719] [2020-07-07 10:46:33,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:33,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:33,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:33,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:33,196 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2020-07-07 10:46:33,589 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:33,897 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:34,137 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:34,365 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:34,900 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:35,636 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:36,030 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:36,323 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:36,601 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:46:36,860 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:37,231 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:37,602 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:37,945 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:39,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:39,191 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2020-07-07 10:46:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:46:39,192 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:46:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:39,198 INFO L225 Difference]: With dead ends: 1047 [2020-07-07 10:46:39,199 INFO L226 Difference]: Without dead ends: 811 [2020-07-07 10:46:39,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:46:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-07-07 10:46:39,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2020-07-07 10:46:39,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-07-07 10:46:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2020-07-07 10:46:39,364 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2020-07-07 10:46:39,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:39,368 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2020-07-07 10:46:39,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2020-07-07 10:46:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:46:39,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:39,373 INFO L422 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] [2020-07-07 10:46:39,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:46:39,373 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:39,374 INFO L82 PathProgramCache]: Analyzing trace with hash -714386778, now seen corresponding path program 1 times [2020-07-07 10:46:39,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:39,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703840771] [2020-07-07 10:46:39,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,610 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:46:39,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703840771] [2020-07-07 10:46:39,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:39,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:46:39,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034927990] [2020-07-07 10:46:39,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:46:39,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:39,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:46:39,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:46:39,727 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2020-07-07 10:46:40,014 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:40,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:40,744 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2020-07-07 10:46:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:46:40,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:46:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:40,750 INFO L225 Difference]: With dead ends: 1181 [2020-07-07 10:46:40,750 INFO L226 Difference]: Without dead ends: 499 [2020-07-07 10:46:40,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:46:40,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-07 10:46:40,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2020-07-07 10:46:40,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-07 10:46:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2020-07-07 10:46:40,833 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2020-07-07 10:46:40,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:40,833 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2020-07-07 10:46:40,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:46:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2020-07-07 10:46:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:46:40,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:40,837 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:46:40,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:46:40,837 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:40,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1764824326, now seen corresponding path program 1 times [2020-07-07 10:46:40,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:40,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768293105] [2020-07-07 10:46:40,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,091 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 10:46:41,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768293105] [2020-07-07 10:46:41,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256709353] [2020-07-07 10:46:41,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:46:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:41,459 INFO L264 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:46:41,471 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:46:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:46:41,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:46:41,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:46:41,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510394807] [2020-07-07 10:46:41,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:41,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:41,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:41,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:41,546 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 12 states. [2020-07-07 10:46:42,225 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:46:42,765 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:43,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:43,731 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2020-07-07 10:46:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:46:43,732 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:46:43,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:43,733 INFO L225 Difference]: With dead ends: 605 [2020-07-07 10:46:43,733 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:46:43,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:46:43,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:46:43,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:46:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:46:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:46:43,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-07 10:46:43,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:43,737 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:46:43,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:46:43,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:46:43,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:46:43,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:46:44,375 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 216 [2020-07-07 10:46:44,776 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 211 [2020-07-07 10:46:45,028 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 215 [2020-07-07 10:46:47,121 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 215 [2020-07-07 10:46:48,499 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:48,861 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:49,016 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-07 10:46:49,161 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:46:49,995 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:50,627 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:46:51,054 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-07 10:46:51,469 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:51,657 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:52,019 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:52,625 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-07 10:46:52,771 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:53,458 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-07 10:46:54,135 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:46:54,271 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:54,849 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:55,343 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:55,710 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:55,853 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:56,462 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:56,819 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:56,961 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-07 10:46:57,354 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:57,957 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:46:58,400 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:58,848 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:46:58,885 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2020-07-07 10:46:58,885 INFO L268 CegarLoopResult]: For program point L409(lines 386 410) no Hoare annotation was computed. [2020-07-07 10:46:58,885 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 362 417) no Hoare annotation was computed. [2020-07-07 10:46:58,885 INFO L268 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-07-07 10:46:58,886 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 397) no Hoare annotation was computed. [2020-07-07 10:46:58,886 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2020-07-07 10:46:58,886 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-07 10:46:58,886 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2020-07-07 10:46:58,886 INFO L268 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2020-07-07 10:46:58,887 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 10:46:58,887 INFO L268 CegarLoopResult]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2020-07-07 10:46:58,887 INFO L268 CegarLoopResult]: For program point L470(lines 443 471) no Hoare annotation was computed. [2020-07-07 10:46:58,887 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2020-07-07 10:46:58,887 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 10:46:58,887 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2020-07-07 10:46:58,888 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-07 10:46:58,888 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2020-07-07 10:46:58,888 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-07-07 10:46:58,888 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-07-07 10:46:58,888 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-07-07 10:46:58,888 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-07-07 10:46:58,888 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-07-07 10:46:58,889 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-07-07 10:46:58,889 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-07 10:46:58,889 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:58,889 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-07 10:46:58,889 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:58,889 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-07 10:46:58,890 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-07 10:46:58,890 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-07 10:46:58,890 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-07 10:46:58,890 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-07 10:46:58,890 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-07 10:46:58,890 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 193 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:58,890 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2020-07-07 10:46:58,891 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (and (= main_~tmp~1 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:58,891 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2020-07-07 10:46:58,891 INFO L264 CegarLoopResult]: At program point L205-1(line 205) the Hoare annotation is: (or (and (= main_~tmp~1 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:58,891 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-07 10:46:58,891 INFO L268 CegarLoopResult]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2020-07-07 10:46:58,891 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-07 10:46:58,892 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:58,892 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:58,892 INFO L264 CegarLoopResult]: At program point L199-1(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:58,892 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-07-07 10:46:58,892 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-07 10:46:58,892 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2020-07-07 10:46:58,893 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-07 10:46:58,893 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-07-07 10:46:58,893 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-07 10:46:58,893 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2020-07-07 10:46:58,893 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-07 10:46:58,893 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2020-07-07 10:46:58,893 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-07 10:46:58,894 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-07 10:46:58,894 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-07-07 10:46:58,894 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-07 10:46:58,894 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-07 10:46:58,894 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-07 10:46:58,894 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-07 10:46:58,894 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-07 10:46:58,895 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,895 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-07-07 10:46:58,895 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,895 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,895 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-07 10:46:58,896 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,896 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,896 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-07 10:46:58,896 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-07 10:46:58,896 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2020-07-07 10:46:58,896 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2020-07-07 10:46:58,896 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,897 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-07-07 10:46:58,897 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:58,897 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2020-07-07 10:46:58,897 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-07 10:46:58,897 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2020-07-07 10:46:58,897 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-07 10:46:58,898 INFO L268 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2020-07-07 10:46:58,898 INFO L271 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: true [2020-07-07 10:46:58,898 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2020-07-07 10:46:58,898 INFO L268 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-07-07 10:46:58,898 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2020-07-07 10:46:58,898 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2020-07-07 10:46:58,898 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2020-07-07 10:46:58,898 INFO L268 CegarLoopResult]: For program point L826(lines 826 834) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 819 854) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2020-07-07 10:46:58,899 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2020-07-07 10:46:58,900 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-07 10:46:58,900 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-07-07 10:46:58,900 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2020-07-07 10:46:58,900 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2020-07-07 10:46:58,900 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 316 361) no Hoare annotation was computed. [2020-07-07 10:46:58,900 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 629 674) no Hoare annotation was computed. [2020-07-07 10:46:58,900 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2020-07-07 10:46:58,901 INFO L268 CegarLoopResult]: For program point L649(lines 649 656) no Hoare annotation was computed. [2020-07-07 10:46:58,901 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2020-07-07 10:46:58,901 INFO L268 CegarLoopResult]: For program point L643(lines 643 663) no Hoare annotation was computed. [2020-07-07 10:46:58,901 INFO L268 CegarLoopResult]: For program point L643-1(lines 643 663) no Hoare annotation was computed. [2020-07-07 10:46:58,901 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:58,901 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2020-07-07 10:46:58,901 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2020-07-07 10:46:58,902 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2020-07-07 10:46:58,902 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2020-07-07 10:46:58,902 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2020-07-07 10:46:58,902 INFO L271 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: true [2020-07-07 10:46:58,902 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-07-07 10:46:58,902 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2020-07-07 10:46:58,902 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2020-07-07 10:46:58,902 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2020-07-07 10:46:58,903 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,903 INFO L268 CegarLoopResult]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2020-07-07 10:46:58,903 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2020-07-07 10:46:58,903 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,903 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,903 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,903 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-07-07 10:46:58,903 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:58,903 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-07-07 10:46:58,903 INFO L268 CegarLoopResult]: For program point L745(lines 745 762) no Hoare annotation was computed. [2020-07-07 10:46:58,904 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2020-07-07 10:46:58,904 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2020-07-07 10:46:58,904 INFO L264 CegarLoopResult]: At program point testENTRY(lines 898 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:58,904 INFO L264 CegarLoopResult]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:58,904 INFO L268 CegarLoopResult]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2020-07-07 10:46:58,904 INFO L264 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:46:58,904 INFO L268 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-07-07 10:46:58,904 INFO L264 CegarLoopResult]: At program point L946-1(lines 938 953) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:58,904 INFO L268 CegarLoopResult]: For program point L909(lines 908 957) no Hoare annotation was computed. [2020-07-07 10:46:58,904 INFO L264 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:46:58,904 INFO L268 CegarLoopResult]: For program point L938(lines 938 953) no Hoare annotation was computed. [2020-07-07 10:46:58,905 INFO L264 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:58,905 INFO L268 CegarLoopResult]: For program point L928(lines 928 934) no Hoare annotation was computed. [2020-07-07 10:46:58,905 INFO L268 CegarLoopResult]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2020-07-07 10:46:58,905 INFO L264 CegarLoopResult]: At program point L955(lines 908 957) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:58,905 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:58,905 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-07-07 10:46:58,905 INFO L268 CegarLoopResult]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point L597(lines 597 617) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2020-07-07 10:46:58,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 583 628) no Hoare annotation was computed. [2020-07-07 10:46:58,907 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2020-07-07 10:46:58,907 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 766 773) no Hoare annotation was computed. [2020-07-07 10:46:58,907 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2020-07-07 10:46:58,907 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2020-07-07 10:46:58,907 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2020-07-07 10:46:58,907 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2020-07-07 10:46:58,907 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2020-07-07 10:46:58,907 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 268 290) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point L276(lines 276 284) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-07 10:46:58,908 INFO L268 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point L504(lines 504 508) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point L568(lines 568 579) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point L550(lines 528 551) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point L509(lines 509 525) no Hoare annotation was computed. [2020-07-07 10:46:58,909 INFO L268 CegarLoopResult]: For program point L569(lines 569 576) no Hoare annotation was computed. [2020-07-07 10:46:58,910 INFO L268 CegarLoopResult]: For program point L530(lines 529 549) no Hoare annotation was computed. [2020-07-07 10:46:58,910 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2020-07-07 10:46:58,910 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-07-07 10:46:58,910 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-07 10:46:58,910 INFO L268 CegarLoopResult]: For program point L526(lines 526 567) no Hoare annotation was computed. [2020-07-07 10:46:58,910 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:58,911 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-07 10:46:58,911 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:58,911 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-07-07 10:46:58,911 INFO L268 CegarLoopResult]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2020-07-07 10:46:58,911 INFO L268 CegarLoopResult]: For program point L781(lines 781 787) no Hoare annotation was computed. [2020-07-07 10:46:58,911 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2020-07-07 10:46:58,911 INFO L268 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-07-07 10:46:58,911 INFO L268 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-07-07 10:46:58,912 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2020-07-07 10:46:58,912 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2020-07-07 10:46:58,912 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2020-07-07 10:46:58,912 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2020-07-07 10:46:58,912 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:58,912 INFO L268 CegarLoopResult]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2020-07-07 10:46:58,912 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2020-07-07 10:46:58,912 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:58,912 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:58,913 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:58,913 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:46:58,913 INFO L264 CegarLoopResult]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:58,913 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:58,913 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:58,913 INFO L268 CegarLoopResult]: For program point L687(lines 686 705) no Hoare annotation was computed. [2020-07-07 10:46:58,914 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2020-07-07 10:46:58,914 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2020-07-07 10:46:58,914 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-07 10:46:58,914 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2020-07-07 10:46:58,914 INFO L271 CegarLoopResult]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2020-07-07 10:46:58,914 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2020-07-07 10:46:58,914 INFO L271 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: true [2020-07-07 10:46:58,914 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-07 10:46:58,914 INFO L271 CegarLoopResult]: At program point L143(lines 118 147) the Hoare annotation is: true [2020-07-07 10:46:58,915 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 10:46:58,915 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-07 10:46:58,915 INFO L271 CegarLoopResult]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2020-07-07 10:46:58,915 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2020-07-07 10:46:58,915 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2020-07-07 10:46:58,915 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2020-07-07 10:46:58,915 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2020-07-07 10:46:58,915 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2020-07-07 10:46:58,916 INFO L268 CegarLoopResult]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2020-07-07 10:46:58,916 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2020-07-07 10:46:58,916 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2020-07-07 10:46:58,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:58,916 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:46:58,916 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:58,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:58,916 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2020-07-07 10:46:58,917 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-07 10:46:58,917 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2020-07-07 10:46:58,917 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2020-07-07 10:46:58,917 INFO L268 CegarLoopResult]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2020-07-07 10:46:58,917 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:58,917 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2020-07-07 10:46:58,917 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-07-07 10:46:58,918 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2020-07-07 10:46:58,918 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2020-07-07 10:46:58,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:58 BoogieIcfgContainer [2020-07-07 10:46:58,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:58,936 INFO L168 Benchmark]: Toolchain (without parser) took 36097.21 ms. Allocated memory was 145.2 MB in the beginning and 723.5 MB in the end (delta: 578.3 MB). Free memory was 101.3 MB in the beginning and 314.1 MB in the end (delta: -212.8 MB). Peak memory consumption was 571.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:58,936 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:46:58,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.59 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 172.3 MB in the end (delta: -71.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:58,938 INFO L168 Benchmark]: Boogie Preprocessor took 85.39 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:58,939 INFO L168 Benchmark]: RCFGBuilder took 1162.18 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.2 MB in the beginning and 197.3 MB in the end (delta: -29.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:58,940 INFO L168 Benchmark]: TraceAbstraction took 34198.83 ms. Allocated memory was 236.5 MB in the beginning and 723.5 MB in the end (delta: 487.1 MB). Free memory was 197.3 MB in the beginning and 314.1 MB in the end (delta: -116.8 MB). Peak memory consumption was 576.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:58,943 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.59 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 172.3 MB in the end (delta: -71.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.39 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1162.18 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.2 MB in the beginning and 197.3 MB in the end (delta: -29.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34198.83 ms. Allocated memory was 236.5 MB in the beginning and 723.5 MB in the end (delta: 487.1 MB). Free memory was 197.3 MB in the beginning and 314.1 MB in the end (delta: -116.8 MB). Peak memory consumption was 576.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 1630 SDslu, 631 SDs, 0 SdLazy, 3333 SolverSat, 1135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1208 HoareAnnotationTreeSize, 838 FomulaSimplifications, 173921 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 62 FomulaSimplificationsInter, 23947 FormulaSimplificationTreeSizeReductionInter, 10.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 124526 SizeOfPredicates, 3 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...