/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:49:21,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:49:21,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:49:21,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:49:21,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:49:21,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:49:21,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:49:21,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:49:21,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:49:21,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:49:21,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:49:21,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:49:21,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:49:21,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:49:21,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:49:21,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:49:21,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:49:21,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:49:21,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:49:21,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:49:21,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:49:21,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:49:21,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:49:21,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:49:21,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:49:21,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:49:21,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:49:21,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:49:21,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:49:21,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:49:21,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:49:21,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:49:21,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:49:21,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:49:21,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:49:21,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:49:21,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:49:21,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:49:21,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:49:21,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:49:21,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:49:21,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:49:21,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:49:21,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:49:21,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:49:21,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:49:21,625 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:49:21,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:49:21,626 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:49:21,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:49:21,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:49:21,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:49:21,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:49:21,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:49:21,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:49:21,628 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:49:21,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:49:21,629 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:49:21,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:49:21,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:49:21,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:49:21,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:49:21,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:49:21,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:21,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:49:21,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:49:21,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:49:21,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:49:21,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:49:21,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:49:21,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:49:21,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:49:21,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:49:21,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:49:21,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:49:21,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:49:21,973 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:49:21,973 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-07 10:49:22,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868b627c6/6b9ea72e580244ccac1b0388ed97475e/FLAG9a5fdca67 [2020-07-07 10:49:22,581 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:49:22,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-07 10:49:22,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868b627c6/6b9ea72e580244ccac1b0388ed97475e/FLAG9a5fdca67 [2020-07-07 10:49:22,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868b627c6/6b9ea72e580244ccac1b0388ed97475e [2020-07-07 10:49:22,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:49:22,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:49:22,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:22,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:49:22,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:49:22,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:22" (1/1) ... [2020-07-07 10:49:22,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de40851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:22, skipping insertion in model container [2020-07-07 10:49:22,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:22" (1/1) ... [2020-07-07 10:49:22,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:49:22,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:49:23,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:23,359 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:49:23,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:23,574 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:49:23,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23 WrapperNode [2020-07-07 10:49:23,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:23,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:49:23,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:49:23,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:49:23,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:49:23,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:49:23,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:49:23,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:49:23,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (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 10:49:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:49:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:49:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:49:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:49:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:49:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:49:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:49:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:49:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:49:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:49:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:49:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:49:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:49:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:49:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:49:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:49:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:49:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:49:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:49:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:49:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:49:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:49:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:49:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:49:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:49:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:49:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:49:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:49:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:49:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:49:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:49:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:49:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:49:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:49:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:49:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:49:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:49:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:49:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:49:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:49:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:49:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:49:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:49:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:49:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:49:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:49:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:49:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:49:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:49:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:49:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:49:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:49:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:49:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:49:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:49:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:49:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:49:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:49:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:49:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:49:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:49:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:49:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:49:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:49:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:49:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:49:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:49:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:49:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:49:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:49:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:49:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:49:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:49:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:49:24,870 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:49:24,871 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:49:24,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:24 BoogieIcfgContainer [2020-07-07 10:49:24,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:49:24,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:49:24,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:49:24,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:49:24,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:49:22" (1/3) ... [2020-07-07 10:49:24,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ed6225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:24, skipping insertion in model container [2020-07-07 10:49:24,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23" (2/3) ... [2020-07-07 10:49:24,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ed6225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:24, skipping insertion in model container [2020-07-07 10:49:24,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:24" (3/3) ... [2020-07-07 10:49:24,888 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-07-07 10:49:24,899 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:49:24,907 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:49:24,922 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:49:24,948 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:49:24,949 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:49:24,949 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:49:24,949 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:49:24,952 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:49:24,952 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:49:24,953 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:49:24,953 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:49:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-07-07 10:49:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:49:24,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:24,989 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:24,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:24,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:24,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1951083148, now seen corresponding path program 1 times [2020-07-07 10:49:25,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:25,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511268009] [2020-07-07 10:49:25,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,700 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:25,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511268009] [2020-07-07 10:49:25,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:25,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:49:25,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778464689] [2020-07-07 10:49:25,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:49:25,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:25,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:49:25,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:25,835 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 4 states. [2020-07-07 10:49:26,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:26,897 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2020-07-07 10:49:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:49:26,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:49:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:26,916 INFO L225 Difference]: With dead ends: 308 [2020-07-07 10:49:26,917 INFO L226 Difference]: Without dead ends: 170 [2020-07-07 10:49:26,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:26,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-07 10:49:27,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 139. [2020-07-07 10:49:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-07 10:49:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2020-07-07 10:49:27,012 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2020-07-07 10:49:27,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:27,012 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2020-07-07 10:49:27,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:49:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2020-07-07 10:49:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:49:27,017 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:27,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:27,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:49:27,018 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:27,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:27,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1220523940, now seen corresponding path program 1 times [2020-07-07 10:49:27,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:27,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746303889] [2020-07-07 10:49:27,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,403 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:27,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746303889] [2020-07-07 10:49:27,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:27,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:49:27,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261414962] [2020-07-07 10:49:27,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:49:27,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:27,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:49:27,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:49:27,490 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 5 states. [2020-07-07 10:49:27,947 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:28,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:28,865 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2020-07-07 10:49:28,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:49:28,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:49:28,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:28,868 INFO L225 Difference]: With dead ends: 244 [2020-07-07 10:49:28,868 INFO L226 Difference]: Without dead ends: 160 [2020-07-07 10:49:28,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:28,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-07 10:49:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 130. [2020-07-07 10:49:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-07 10:49:28,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2020-07-07 10:49:28,910 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2020-07-07 10:49:28,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:28,911 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2020-07-07 10:49:28,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:49:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2020-07-07 10:49:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:49:28,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:28,913 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:28,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:49:28,914 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:28,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:28,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1125066517, now seen corresponding path program 1 times [2020-07-07 10:49:28,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:28,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561652524] [2020-07-07 10:49:28,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,263 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:29,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561652524] [2020-07-07 10:49:29,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:29,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:29,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683079472] [2020-07-07 10:49:29,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:29,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:29,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:29,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:29,349 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 9 states. [2020-07-07 10:49:29,789 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:30,145 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:30,385 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:30,610 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:31,490 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:33,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:33,030 INFO L93 Difference]: Finished difference Result 435 states and 529 transitions. [2020-07-07 10:49:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:49:33,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:49:33,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:33,036 INFO L225 Difference]: With dead ends: 435 [2020-07-07 10:49:33,036 INFO L226 Difference]: Without dead ends: 333 [2020-07-07 10:49:33,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:49:33,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-07-07 10:49:33,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 268. [2020-07-07 10:49:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-07 10:49:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 318 transitions. [2020-07-07 10:49:33,099 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 318 transitions. Word has length 64 [2020-07-07 10:49:33,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:33,100 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 318 transitions. [2020-07-07 10:49:33,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 318 transitions. [2020-07-07 10:49:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:49:33,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:33,103 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:33,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:49:33,103 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:33,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:33,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1836372268, now seen corresponding path program 1 times [2020-07-07 10:49:33,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:33,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53375317] [2020-07-07 10:49:33,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,420 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:49:33,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53375317] [2020-07-07 10:49:33,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:33,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:33,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171318772] [2020-07-07 10:49:33,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:33,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:33,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:33,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:33,526 INFO L87 Difference]: Start difference. First operand 268 states and 318 transitions. Second operand 9 states. [2020-07-07 10:49:33,959 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:34,593 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:35,494 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:35,723 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:36,016 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:36,272 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:36,725 INFO L93 Difference]: Finished difference Result 679 states and 862 transitions. [2020-07-07 10:49:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:49:36,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:49:36,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:36,732 INFO L225 Difference]: With dead ends: 679 [2020-07-07 10:49:36,733 INFO L226 Difference]: Without dead ends: 439 [2020-07-07 10:49:36,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:49:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-07 10:49:36,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 379. [2020-07-07 10:49:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-07-07 10:49:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 451 transitions. [2020-07-07 10:49:36,809 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 451 transitions. Word has length 70 [2020-07-07 10:49:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:36,810 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 451 transitions. [2020-07-07 10:49:36,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 451 transitions. [2020-07-07 10:49:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 10:49:36,813 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:36,813 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:36,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:49:36,814 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:36,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:36,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1329110427, now seen corresponding path program 1 times [2020-07-07 10:49:36,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:36,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11810426] [2020-07-07 10:49:36,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,073 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:37,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11810426] [2020-07-07 10:49:37,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:37,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:37,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895262273] [2020-07-07 10:49:37,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:37,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:37,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:37,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:37,217 INFO L87 Difference]: Start difference. First operand 379 states and 451 transitions. Second operand 9 states. [2020-07-07 10:49:37,656 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:38,606 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:38,842 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:39,121 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:39,377 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:40,690 INFO L93 Difference]: Finished difference Result 1185 states and 1563 transitions. [2020-07-07 10:49:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:40,690 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-07 10:49:40,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:40,696 INFO L225 Difference]: With dead ends: 1185 [2020-07-07 10:49:40,697 INFO L226 Difference]: Without dead ends: 834 [2020-07-07 10:49:40,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:40,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-07-07 10:49:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 717. [2020-07-07 10:49:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-07-07 10:49:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 858 transitions. [2020-07-07 10:49:40,829 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 858 transitions. Word has length 102 [2020-07-07 10:49:40,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:40,830 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 858 transitions. [2020-07-07 10:49:40,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 858 transitions. [2020-07-07 10:49:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 10:49:40,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:40,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:40,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:49:40,835 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:40,835 INFO L82 PathProgramCache]: Analyzing trace with hash 359529404, now seen corresponding path program 1 times [2020-07-07 10:49:40,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:40,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849842575] [2020-07-07 10:49:40,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,103 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:41,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849842575] [2020-07-07 10:49:41,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:41,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:41,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804801487] [2020-07-07 10:49:41,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:41,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:41,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:41,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:41,297 INFO L87 Difference]: Start difference. First operand 717 states and 858 transitions. Second operand 9 states. [2020-07-07 10:49:42,494 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:42,781 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:43,047 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:43,295 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:43,975 INFO L93 Difference]: Finished difference Result 1536 states and 1964 transitions. [2020-07-07 10:49:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:43,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-07 10:49:43,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:43,984 INFO L225 Difference]: With dead ends: 1536 [2020-07-07 10:49:43,985 INFO L226 Difference]: Without dead ends: 847 [2020-07-07 10:49:43,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-07-07 10:49:44,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 737. [2020-07-07 10:49:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-07-07 10:49:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 878 transitions. [2020-07-07 10:49:44,169 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 878 transitions. Word has length 102 [2020-07-07 10:49:44,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:44,172 INFO L479 AbstractCegarLoop]: Abstraction has 737 states and 878 transitions. [2020-07-07 10:49:44,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 878 transitions. [2020-07-07 10:49:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 10:49:44,180 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:44,180 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:44,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:49:44,184 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:44,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:44,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1689858438, now seen corresponding path program 1 times [2020-07-07 10:49:44,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:44,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029859138] [2020-07-07 10:49:44,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,478 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:44,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029859138] [2020-07-07 10:49:44,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:44,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:49:44,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428232227] [2020-07-07 10:49:44,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:49:44,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:44,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:49:44,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:49:44,626 INFO L87 Difference]: Start difference. First operand 737 states and 878 transitions. Second operand 11 states. [2020-07-07 10:49:45,174 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:45,422 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:45,668 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:46,467 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:46,808 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:47,039 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:48,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:48,028 INFO L93 Difference]: Finished difference Result 1360 states and 1702 transitions. [2020-07-07 10:49:48,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:49:48,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-07-07 10:49:48,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:48,036 INFO L225 Difference]: With dead ends: 1360 [2020-07-07 10:49:48,036 INFO L226 Difference]: Without dead ends: 651 [2020-07-07 10:49:48,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:48,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-07-07 10:49:48,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 578. [2020-07-07 10:49:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-07-07 10:49:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 674 transitions. [2020-07-07 10:49:48,141 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 674 transitions. Word has length 102 [2020-07-07 10:49:48,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:48,141 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 674 transitions. [2020-07-07 10:49:48,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:49:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 674 transitions. [2020-07-07 10:49:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-07 10:49:48,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:48,146 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:48,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:49:48,147 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:48,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:48,147 INFO L82 PathProgramCache]: Analyzing trace with hash -764679949, now seen corresponding path program 1 times [2020-07-07 10:49:48,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:48,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717536676] [2020-07-07 10:49:48,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,522 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:48,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717536676] [2020-07-07 10:49:48,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:48,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:49:48,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940507748] [2020-07-07 10:49:48,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:49:48,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:48,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:49:48,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:49:48,727 INFO L87 Difference]: Start difference. First operand 578 states and 674 transitions. Second operand 12 states. [2020-07-07 10:49:49,225 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:49,877 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:50,509 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:50,850 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:51,100 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:51,413 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:51,683 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:53,028 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:53,295 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:53,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:53,875 INFO L93 Difference]: Finished difference Result 1691 states and 2129 transitions. [2020-07-07 10:49:53,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:49:53,876 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-07-07 10:49:53,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:53,887 INFO L225 Difference]: With dead ends: 1691 [2020-07-07 10:49:53,888 INFO L226 Difference]: Without dead ends: 1313 [2020-07-07 10:49:53,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:49:53,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2020-07-07 10:49:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1197. [2020-07-07 10:49:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-07-07 10:49:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1399 transitions. [2020-07-07 10:49:54,170 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1399 transitions. Word has length 106 [2020-07-07 10:49:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:54,175 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1399 transitions. [2020-07-07 10:49:54,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:49:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1399 transitions. [2020-07-07 10:49:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-07 10:49:54,180 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:54,180 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:54,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:49:54,181 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:54,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:54,182 INFO L82 PathProgramCache]: Analyzing trace with hash -60868023, now seen corresponding path program 1 times [2020-07-07 10:49:54,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:54,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538193507] [2020-07-07 10:49:54,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,491 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 10:49:54,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538193507] [2020-07-07 10:49:54,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239721959] [2020-07-07 10:49:54,876 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 10:49:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,084 INFO L264 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:49:55,104 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:49:55,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:55,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:49:55,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174888092] [2020-07-07 10:49:55,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:49:55,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:55,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:49:55,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:49:55,282 INFO L87 Difference]: Start difference. First operand 1197 states and 1399 transitions. Second operand 20 states. [2020-07-07 10:49:55,847 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:56,216 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:56,500 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:56,755 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:57,452 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-07 10:49:57,731 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:49:58,057 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:58,526 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 10:49:58,812 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:49:59,925 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:00,443 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:00,763 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:01,127 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:01,618 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:02,218 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:02,489 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:02,791 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:50:03,070 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:03,640 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:04,136 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:04,455 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:04,784 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:05,118 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 10:50:05,414 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:05,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:05,584 INFO L93 Difference]: Finished difference Result 2269 states and 2751 transitions. [2020-07-07 10:50:05,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-07 10:50:05,584 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-07-07 10:50:05,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:05,592 INFO L225 Difference]: With dead ends: 2269 [2020-07-07 10:50:05,592 INFO L226 Difference]: Without dead ends: 1266 [2020-07-07 10:50:05,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1451 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=932, Invalid=4038, Unknown=0, NotChecked=0, Total=4970 [2020-07-07 10:50:05,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-07-07 10:50:05,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1127. [2020-07-07 10:50:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-07-07 10:50:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1301 transitions. [2020-07-07 10:50:05,873 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1301 transitions. Word has length 149 [2020-07-07 10:50:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:05,874 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1301 transitions. [2020-07-07 10:50:05,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:50:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1301 transitions. [2020-07-07 10:50:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-07-07 10:50:05,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:05,885 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:06,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:50:06,099 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:06,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:06,099 INFO L82 PathProgramCache]: Analyzing trace with hash -222710156, now seen corresponding path program 1 times [2020-07-07 10:50:06,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:06,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234839541] [2020-07-07 10:50:06,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,450 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-07-07 10:50:06,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234839541] [2020-07-07 10:50:06,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984718349] [2020-07-07 10:50:06,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:07,304 INFO L264 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:50:07,328 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-07-07 10:50:07,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:50:07,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-07-07 10:50:07,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869340534] [2020-07-07 10:50:07,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:50:07,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:07,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:50:07,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:50:07,527 INFO L87 Difference]: Start difference. First operand 1127 states and 1301 transitions. Second operand 3 states. [2020-07-07 10:50:07,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:07,728 INFO L93 Difference]: Finished difference Result 1357 states and 1579 transitions. [2020-07-07 10:50:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:50:07,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-07-07 10:50:07,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:07,729 INFO L225 Difference]: With dead ends: 1357 [2020-07-07 10:50:07,730 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:50:07,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 360 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:50:07,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:50:07,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:50:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:50:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:50:07,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 271 [2020-07-07 10:50:07,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:07,734 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:50:07,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:50:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:50:07,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:50:07,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:50:07,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:50:08,891 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 233 [2020-07-07 10:50:09,926 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 264 [2020-07-07 10:50:11,879 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 230 [2020-07-07 10:50:12,151 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 234 [2020-07-07 10:50:12,759 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 228 [2020-07-07 10:50:12,956 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-07 10:50:13,590 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 26 [2020-07-07 10:50:13,752 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:50:13,924 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-07-07 10:50:14,606 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 32 [2020-07-07 10:50:14,742 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:50:14,915 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-07 10:50:15,080 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-07 10:50:15,908 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 33 [2020-07-07 10:50:16,049 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-07-07 10:50:16,254 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:16,427 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:16,690 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-07-07 10:50:16,866 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:17,006 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-07 10:50:18,087 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 198 DAG size of output: 42 [2020-07-07 10:50:18,257 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-07 10:50:19,212 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 33 [2020-07-07 10:50:19,832 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-07 10:50:20,012 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-07 10:50:20,985 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 32 [2020-07-07 10:50:21,374 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-07 10:50:22,366 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 31 [2020-07-07 10:50:22,519 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:50:22,830 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-07-07 10:50:23,390 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-07-07 10:50:23,563 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:23,747 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:23,906 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-07 10:50:24,097 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2020-07-07 10:50:24,247 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:50:24,426 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:24,856 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2020-07-07 10:50:24,996 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-07 10:50:25,330 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 32 [2020-07-07 10:50:25,878 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-07-07 10:50:26,362 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-07-07 10:50:26,523 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-07 10:50:26,844 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2020-07-07 10:50:27,031 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 10:50:28,203 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 184 DAG size of output: 35 [2020-07-07 10:50:28,609 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2020-07-07 10:50:28,797 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 10:50:29,014 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-07 10:50:29,019 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:50:29,019 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:50:29,020 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:50:29,020 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-07 10:50:29,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:50:29,020 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:50:29,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:50:29,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:50:29,021 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 10:50:29,021 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-07 10:50:29,021 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:50:29,021 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:50:29,022 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:50:29,022 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 10:50:29,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:50:29,022 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-07 10:50:29,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:50:29,023 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-07 10:50:29,023 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2020-07-07 10:50:29,023 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2020-07-07 10:50:29,023 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2020-07-07 10:50:29,023 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2020-07-07 10:50:29,023 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2020-07-07 10:50:29,024 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:29,024 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2020-07-07 10:50:29,024 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2020-07-07 10:50:29,024 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse4 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse0 .cse3))) [2020-07-07 10:50:29,024 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2020-07-07 10:50:29,024 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-07 10:50:29,025 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2020-07-07 10:50:29,025 INFO L268 CegarLoopResult]: For program point L898-1(line 898) no Hoare annotation was computed. [2020-07-07 10:50:29,025 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2020-07-07 10:50:29,025 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2020-07-07 10:50:29,025 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 0 ~systemActive~0)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:50:29,025 INFO L268 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2020-07-07 10:50:29,025 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-07 10:50:29,026 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-07 10:50:29,026 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-07 10:50:29,026 INFO L268 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2020-07-07 10:50:29,026 INFO L268 CegarLoopResult]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2020-07-07 10:50:29,026 INFO L271 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: true [2020-07-07 10:50:29,026 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,027 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-07 10:50:29,027 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:50:29,027 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:50:29,027 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-07 10:50:29,027 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-07 10:50:29,027 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,028 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,028 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:50:29,028 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2020-07-07 10:50:29,029 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0)) (or (not (= 1 ~waterLevel~0)) .cse2) (or .cse2 (not (= 0 |old(~systemActive~0)|))) (or .cse3 .cse2) (or .cse0 .cse1 .cse3))) [2020-07-07 10:50:29,029 INFO L268 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse5 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse5 (= 0 ~pumpRunning~0))) (.cse3 (and .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse4 (= 0 ~switchedOnBeforeTS~0)) (or .cse1 (not (= 0 |old(~systemActive~0)|)) .cse2) (or .cse3 .cse4 .cse0)))) [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 706 741) no Hoare annotation was computed. [2020-07-07 10:50:29,030 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 706 741) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 706 741) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:50:29,031 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:50:29,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:50:29,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:50:29,032 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,032 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,032 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-07 10:50:29,032 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-07 10:50:29,032 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2020-07-07 10:50:29,032 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2020-07-07 10:50:29,033 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2020-07-07 10:50:29,033 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-07 10:50:29,033 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-07 10:50:29,033 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 .cse0 (= 0 ~switchedOnBeforeTS~0)))) [2020-07-07 10:50:29,033 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2020-07-07 10:50:29,033 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2020-07-07 10:50:29,033 INFO L268 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2020-07-07 10:50:29,033 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2020-07-07 10:50:29,033 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2020-07-07 10:50:29,034 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2020-07-07 10:50:29,034 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment_~tmp~5))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:29,034 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-07 10:50:29,034 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-07-07 10:50:29,034 INFO L264 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:29,034 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-07-07 10:50:29,034 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-07-07 10:50:29,035 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2020-07-07 10:50:29,035 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:50:29,035 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-07 10:50:29,035 INFO L268 CegarLoopResult]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2020-07-07 10:50:29,035 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2020-07-07 10:50:29,035 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2020-07-07 10:50:29,035 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse3 .cse2) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1))) [2020-07-07 10:50:29,036 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,036 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-07 10:50:29,036 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-07-07 10:50:29,036 INFO L264 CegarLoopResult]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:50:29,036 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:50:29,036 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2020-07-07 10:50:29,036 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-07-07 10:50:29,036 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-07-07 10:50:29,037 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-07-07 10:50:29,037 INFO L264 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:50:29,037 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0))) (or (and .cse0 (not (= 0 ~switchedOnBeforeTS~0)) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3) (and .cse0 .cse3 .cse2))) [2020-07-07 10:50:29,037 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-07 10:50:29,037 INFO L264 CegarLoopResult]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (and .cse0 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3))) [2020-07-07 10:50:29,037 INFO L268 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2020-07-07 10:50:29,037 INFO L268 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2020-07-07 10:50:29,037 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2020-07-07 10:50:29,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:50:29,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:50:29,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:50:29,038 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-07 10:50:29,038 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:50:29,038 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:50:29,038 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:29,038 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 825 847) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:50:29,039 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:50:29,040 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 923 932) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 923 932) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 923 932) no Hoare annotation was computed. [2020-07-07 10:50:29,041 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:29,042 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:50:29,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:29,042 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:29,042 INFO L268 CegarLoopResult]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2020-07-07 10:50:29,042 INFO L268 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2020-07-07 10:50:29,043 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2020-07-07 10:50:29,043 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:29,043 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-07 10:50:29,043 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:29,043 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2020-07-07 10:50:29,043 INFO L268 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-07-07 10:50:29,043 INFO L271 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: true [2020-07-07 10:50:29,043 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2020-07-07 10:50:29,044 INFO L268 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-07-07 10:50:29,044 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2020-07-07 10:50:29,044 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2020-07-07 10:50:29,044 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2020-07-07 10:50:29,044 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2020-07-07 10:50:29,044 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2020-07-07 10:50:29,044 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:29,044 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:50:29,044 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:29,045 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-07 10:50:29,045 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-07 10:50:29,045 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-07 10:50:29,045 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse5 (and .cse6 .cse7 .cse1) .cse3) (or (not (= 0 ~systemActive~0)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse6 .cse7) .cse3) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse2 .cse3))) [2020-07-07 10:50:29,045 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (and .cse0 .cse9)) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse5 (and .cse6 .cse7 .cse1) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse6 .cse7) .cse3) (or .cse8 (not (= 0 ~systemActive~0)) .cse2) (or .cse8 (and .cse9 (<= 1 ~pumpRunning~0)) .cse5 .cse2 .cse3)))) [2020-07-07 10:50:29,046 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (= 0 ~systemActive~0)) .cse4) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-07 10:50:29,046 INFO L268 CegarLoopResult]: For program point L599(lines 595 617) no Hoare annotation was computed. [2020-07-07 10:50:29,046 INFO L268 CegarLoopResult]: For program point L597(lines 595 617) no Hoare annotation was computed. [2020-07-07 10:50:29,046 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse4 (and .cse6 .cse7 .cse8)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse5) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or .cse5 (and .cse6 .cse7 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse1 .cse5 .cse3)))) [2020-07-07 10:50:29,046 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2020-07-07 10:50:29,046 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2020-07-07 10:50:29,046 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-07 10:50:29,047 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-07 10:50:29,047 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-07 10:50:29,047 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-07 10:50:29,047 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-07 10:50:29,047 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-07 10:50:29,047 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-07 10:50:29,047 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-07 10:50:29,047 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-07 10:50:29,047 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 10:50:29,048 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2020-07-07 10:50:29,048 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2020-07-07 10:50:29,048 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2020-07-07 10:50:29,048 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-07-07 10:50:29,048 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:50:29,048 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-07-07 10:50:29,048 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-07 10:50:29,048 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-07 10:50:29,048 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:50:29,049 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 10:50:29,049 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:50:29,049 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:50:29,049 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-07 10:50:29,049 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-07 10:50:29,049 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:50:29,049 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2020-07-07 10:50:29,050 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-07-07 10:50:29,050 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2020-07-07 10:50:29,050 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2020-07-07 10:50:29,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:50:29 BoogieIcfgContainer [2020-07-07 10:50:29,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:50:29,073 INFO L168 Benchmark]: Toolchain (without parser) took 66151.56 ms. Allocated memory was 139.5 MB in the beginning and 947.9 MB in the end (delta: 808.5 MB). Free memory was 103.3 MB in the beginning and 410.8 MB in the end (delta: -307.5 MB). Peak memory consumption was 796.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:29,074 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:50:29,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.84 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 173.7 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:29,075 INFO L168 Benchmark]: Boogie Preprocessor took 95.57 ms. Allocated memory is still 203.9 MB. Free memory was 173.7 MB in the beginning and 169.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:29,076 INFO L168 Benchmark]: RCFGBuilder took 1208.80 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 169.8 MB in the beginning and 196.1 MB in the end (delta: -26.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:29,076 INFO L168 Benchmark]: TraceAbstraction took 64188.23 ms. Allocated memory was 237.5 MB in the beginning and 947.9 MB in the end (delta: 710.4 MB). Free memory was 196.1 MB in the beginning and 410.8 MB in the end (delta: -214.7 MB). Peak memory consumption was 791.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:50:29,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.84 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 173.7 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.57 ms. Allocated memory is still 203.9 MB. Free memory was 173.7 MB in the beginning and 169.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1208.80 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 169.8 MB in the beginning and 196.1 MB in the end (delta: -26.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 64188.23 ms. Allocated memory was 237.5 MB in the beginning and 947.9 MB in the end (delta: 710.4 MB). Free memory was 196.1 MB in the beginning and 410.8 MB in the end (delta: -214.7 MB). Peak memory consumption was 791.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning)) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.0s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 34.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1434 SDtfs, 3410 SDslu, 2344 SDs, 0 SdLazy, 7943 SolverSat, 2371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1016 GetRequests, 812 SyntacticMatches, 3 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1197occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 741 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1833 PreInvPairs, 1907 NumberOfFragments, 2078 HoareAnnotationTreeSize, 1833 FomulaSimplifications, 10806464 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 186704 FormulaSimplificationTreeSizeReductionInter, 16.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1505 NumberOfCodeBlocks, 1505 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 589962 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 564/612 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...