/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:40:35,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:40:35,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:40:35,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:40:35,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:40:35,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:40:35,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:40:35,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:40:35,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:40:35,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:40:35,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:40:35,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:40:35,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:40:35,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:40:35,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:40:35,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:40:35,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:40:35,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:40:35,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:40:35,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:40:35,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:40:35,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:40:35,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:40:35,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:40:35,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:40:35,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:40:35,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:40:35,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:40:35,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:40:35,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:40:35,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:40:35,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:40:35,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:40:35,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:40:35,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:40:35,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:40:35,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:40:35,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:40:35,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:40:35,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:40:35,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:40:35,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:40:35,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:40:35,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:40:35,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:40:35,588 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:40:35,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:40:35,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:40:35,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:40:35,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:40:35,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:40:35,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:40:35,590 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:40:35,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:40:35,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:40:35,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:40:35,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:40:35,592 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:40:35,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:40:35,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:40:35,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:40:35,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:40:35,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:40:35,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:40:35,593 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:40:35,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:40:35,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:40:35,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:40:35,886 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:40:35,886 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:40:35,887 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c [2020-07-17 16:40:35,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63b8a408/53ddf3f41e6141669592774bef8efdb3/FLAGd463b40b4 [2020-07-17 16:40:36,464 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:40:36,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c [2020-07-17 16:40:36,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63b8a408/53ddf3f41e6141669592774bef8efdb3/FLAGd463b40b4 [2020-07-17 16:40:36,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63b8a408/53ddf3f41e6141669592774bef8efdb3 [2020-07-17 16:40:36,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:40:36,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:40:36,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:36,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:40:36,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:40:36,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:36" (1/1) ... [2020-07-17 16:40:36,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b47511a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:36, skipping insertion in model container [2020-07-17 16:40:36,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:36" (1/1) ... [2020-07-17 16:40:36,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:40:36,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:40:37,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:37,409 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:40:37,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:37,520 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:40:37,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37 WrapperNode [2020-07-17 16:40:37,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:37,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:40:37,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:40:37,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:40:37,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:40:37,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:40:37,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:40:37,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:40:37,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:40:37,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:40:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:40:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:40:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:40:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:40:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:40:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:40:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:40:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:40:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:40:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:40:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:40:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:40:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:40:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:40:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:40:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:40:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:40:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:40:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:40:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:40:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 16:40:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:40:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:40:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:40:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:40:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:40:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:40:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:40:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:40:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:40:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:40:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:40:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:40:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:40:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:40:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:40:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:40:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:40:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:40:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:40:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:40:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:40:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:40:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:40:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:40:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:40:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:40:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:40:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:40:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:40:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:40:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:40:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 16:40:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:40:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:40:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:40:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:40:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:40:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:40:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:40:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:40:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:40:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:40:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:40:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:40:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:40:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:40:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:40:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:40:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:40:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:40:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:40:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:40:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:40:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:40:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:40:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:40:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:40:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:40:38,761 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:40:38,761 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:40:38,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:38 BoogieIcfgContainer [2020-07-17 16:40:38,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:40:38,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:40:38,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:40:38,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:40:38,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:40:36" (1/3) ... [2020-07-17 16:40:38,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51776d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:38, skipping insertion in model container [2020-07-17 16:40:38,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37" (2/3) ... [2020-07-17 16:40:38,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51776d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:38, skipping insertion in model container [2020-07-17 16:40:38,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:38" (3/3) ... [2020-07-17 16:40:38,784 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product34.cil.c [2020-07-17 16:40:38,794 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:40:38,803 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:40:38,817 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:40:38,836 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:40:38,837 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:40:38,837 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:40:38,837 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:40:38,837 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:40:38,838 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:40:38,838 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:40:38,838 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:40:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states. [2020-07-17 16:40:38,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-17 16:40:38,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:38,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:38,879 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:38,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:38,886 INFO L82 PathProgramCache]: Analyzing trace with hash -769806534, now seen corresponding path program 1 times [2020-07-17 16:40:38,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:38,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310014394] [2020-07-17 16:40:38,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,581 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:39,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310014394] [2020-07-17 16:40:39,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:39,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:40:39,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090590573] [2020-07-17 16:40:39,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:40:39,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:39,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:40:39,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:40:39,787 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 3 states. [2020-07-17 16:40:41,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:41,055 INFO L93 Difference]: Finished difference Result 428 states and 511 transitions. [2020-07-17 16:40:41,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:40:41,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-17 16:40:41,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:41,075 INFO L225 Difference]: With dead ends: 428 [2020-07-17 16:40:41,075 INFO L226 Difference]: Without dead ends: 271 [2020-07-17 16:40:41,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:40:41,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-07-17 16:40:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 231. [2020-07-17 16:40:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-17 16:40:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 249 transitions. [2020-07-17 16:40:41,201 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 249 transitions. Word has length 142 [2020-07-17 16:40:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:41,202 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 249 transitions. [2020-07-17 16:40:41,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:40:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 249 transitions. [2020-07-17 16:40:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 16:40:41,207 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:41,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:41,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:40:41,208 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:41,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:41,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1944569918, now seen corresponding path program 1 times [2020-07-17 16:40:41,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:41,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758369866] [2020-07-17 16:40:41,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,618 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:41,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758369866] [2020-07-17 16:40:41,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:41,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:40:41,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112272489] [2020-07-17 16:40:41,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:40:41,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:41,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:40:41,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:40:41,739 INFO L87 Difference]: Start difference. First operand 231 states and 249 transitions. Second operand 4 states. [2020-07-17 16:40:42,421 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:43,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:43,165 INFO L93 Difference]: Finished difference Result 341 states and 382 transitions. [2020-07-17 16:40:43,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:40:43,166 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-07-17 16:40:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:43,171 INFO L225 Difference]: With dead ends: 341 [2020-07-17 16:40:43,171 INFO L226 Difference]: Without dead ends: 254 [2020-07-17 16:40:43,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:40:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-17 16:40:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 221. [2020-07-17 16:40:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-17 16:40:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 236 transitions. [2020-07-17 16:40:43,240 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 236 transitions. Word has length 143 [2020-07-17 16:40:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:43,241 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 236 transitions. [2020-07-17 16:40:43,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:40:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 236 transitions. [2020-07-17 16:40:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-17 16:40:43,243 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:43,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:43,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:40:43,244 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:43,245 INFO L82 PathProgramCache]: Analyzing trace with hash -2135572125, now seen corresponding path program 1 times [2020-07-17 16:40:43,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:43,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973862349] [2020-07-17 16:40:43,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,565 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:43,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973862349] [2020-07-17 16:40:43,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:43,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:40:43,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526985684] [2020-07-17 16:40:43,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:40:43,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:43,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:40:43,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:40:43,696 INFO L87 Difference]: Start difference. First operand 221 states and 236 transitions. Second operand 10 states. [2020-07-17 16:40:44,331 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:44,799 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:40:45,093 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:40:45,322 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:45,540 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:45,809 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:47,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:47,153 INFO L93 Difference]: Finished difference Result 387 states and 444 transitions. [2020-07-17 16:40:47,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:40:47,154 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-07-17 16:40:47,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:47,163 INFO L225 Difference]: With dead ends: 387 [2020-07-17 16:40:47,163 INFO L226 Difference]: Without dead ends: 276 [2020-07-17 16:40:47,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-07-17 16:40:47,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-17 16:40:47,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 221. [2020-07-17 16:40:47,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-17 16:40:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 235 transitions. [2020-07-17 16:40:47,284 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 235 transitions. Word has length 156 [2020-07-17 16:40:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:47,286 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 235 transitions. [2020-07-17 16:40:47,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:40:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 235 transitions. [2020-07-17 16:40:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-17 16:40:47,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:47,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:47,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:40:47,292 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:47,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:47,293 INFO L82 PathProgramCache]: Analyzing trace with hash -653127714, now seen corresponding path program 1 times [2020-07-17 16:40:47,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:47,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743371806] [2020-07-17 16:40:47,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,643 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:47,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743371806] [2020-07-17 16:40:47,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:47,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 16:40:47,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000473128] [2020-07-17 16:40:47,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 16:40:47,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:47,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 16:40:47,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:40:47,785 INFO L87 Difference]: Start difference. First operand 221 states and 235 transitions. Second operand 7 states. [2020-07-17 16:40:48,265 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:49,764 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:50,352 INFO L93 Difference]: Finished difference Result 558 states and 661 transitions. [2020-07-17 16:40:50,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 16:40:50,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-07-17 16:40:50,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:50,360 INFO L225 Difference]: With dead ends: 558 [2020-07-17 16:40:50,360 INFO L226 Difference]: Without dead ends: 447 [2020-07-17 16:40:50,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:40:50,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-17 16:40:50,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 320. [2020-07-17 16:40:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-07-17 16:40:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 344 transitions. [2020-07-17 16:40:50,453 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 344 transitions. Word has length 164 [2020-07-17 16:40:50,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:50,454 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 344 transitions. [2020-07-17 16:40:50,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 16:40:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 344 transitions. [2020-07-17 16:40:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-07-17 16:40:50,456 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:50,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:50,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:40:50,457 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:50,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:50,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1981324929, now seen corresponding path program 1 times [2020-07-17 16:40:50,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:50,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693812035] [2020-07-17 16:40:50,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,802 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:51,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693812035] [2020-07-17 16:40:51,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:51,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-17 16:40:51,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544700093] [2020-07-17 16:40:51,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:40:51,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:51,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:40:51,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:40:51,095 INFO L87 Difference]: Start difference. First operand 320 states and 344 transitions. Second operand 15 states. [2020-07-17 16:40:51,544 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:51,882 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:40:52,138 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:40:52,398 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:52,632 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:52,861 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:53,476 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:54,664 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:54,909 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:55,165 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:55,407 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:40:55,667 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:40:55,896 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:40:56,121 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:56,373 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:56,635 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:40:56,889 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:58,167 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:58,401 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:58,692 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:59,803 INFO L93 Difference]: Finished difference Result 1150 states and 1457 transitions. [2020-07-17 16:40:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 16:40:59,804 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 188 [2020-07-17 16:40:59,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:59,813 INFO L225 Difference]: With dead ends: 1150 [2020-07-17 16:40:59,813 INFO L226 Difference]: Without dead ends: 940 [2020-07-17 16:40:59,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2020-07-17 16:40:59,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-07-17 16:41:00,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 641. [2020-07-17 16:41:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-07-17 16:41:00,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 711 transitions. [2020-07-17 16:41:00,054 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 711 transitions. Word has length 188 [2020-07-17 16:41:00,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:00,055 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 711 transitions. [2020-07-17 16:41:00,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:41:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 711 transitions. [2020-07-17 16:41:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-07-17 16:41:00,061 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:00,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:00,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:41:00,062 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:00,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:00,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1409876955, now seen corresponding path program 1 times [2020-07-17 16:41:00,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:00,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000303872] [2020-07-17 16:41:00,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,339 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-17 16:41:00,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000303872] [2020-07-17 16:41:00,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:00,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-17 16:41:00,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335481324] [2020-07-17 16:41:00,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:41:00,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:00,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:41:00,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:41:00,711 INFO L87 Difference]: Start difference. First operand 641 states and 711 transitions. Second operand 15 states. [2020-07-17 16:41:01,383 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:02,144 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:02,914 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:03,207 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:03,498 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:41:03,796 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:04,062 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:04,349 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:04,599 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:04,880 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:41:05,141 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:05,439 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:05,752 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:06,029 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:07,729 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:07,972 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:08,234 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:41:08,474 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:08,723 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:08,967 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:09,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:09,667 INFO L93 Difference]: Finished difference Result 1502 states and 1854 transitions. [2020-07-17 16:41:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-17 16:41:09,672 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 249 [2020-07-17 16:41:09,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:09,680 INFO L225 Difference]: With dead ends: 1502 [2020-07-17 16:41:09,680 INFO L226 Difference]: Without dead ends: 971 [2020-07-17 16:41:09,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=497, Invalid=2053, Unknown=0, NotChecked=0, Total=2550 [2020-07-17 16:41:09,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-07-17 16:41:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 637. [2020-07-17 16:41:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-07-17 16:41:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 707 transitions. [2020-07-17 16:41:09,910 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 707 transitions. Word has length 249 [2020-07-17 16:41:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:09,910 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 707 transitions. [2020-07-17 16:41:09,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:41:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 707 transitions. [2020-07-17 16:41:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-07-17 16:41:09,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:09,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:09,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:41:09,916 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:09,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:09,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1097275968, now seen corresponding path program 1 times [2020-07-17 16:41:09,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:09,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619873237] [2020-07-17 16:41:09,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,212 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 16:41:10,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619873237] [2020-07-17 16:41:10,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:10,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 16:41:10,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328505940] [2020-07-17 16:41:10,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:10,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:10,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:10,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:10,530 INFO L87 Difference]: Start difference. First operand 637 states and 707 transitions. Second operand 14 states. [2020-07-17 16:41:11,010 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:11,805 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:12,960 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:13,192 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:13,436 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:13,678 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:13,917 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:14,178 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:14,399 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:14,645 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:14,923 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:15,190 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:16,294 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:16,551 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:18,677 INFO L93 Difference]: Finished difference Result 1750 states and 2205 transitions. [2020-07-17 16:41:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-17 16:41:18,678 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 245 [2020-07-17 16:41:18,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:18,691 INFO L225 Difference]: With dead ends: 1750 [2020-07-17 16:41:18,691 INFO L226 Difference]: Without dead ends: 1375 [2020-07-17 16:41:18,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 55 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=574, Invalid=1496, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 16:41:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2020-07-17 16:41:19,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 820. [2020-07-17 16:41:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2020-07-17 16:41:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 919 transitions. [2020-07-17 16:41:19,142 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 919 transitions. Word has length 245 [2020-07-17 16:41:19,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:19,143 INFO L479 AbstractCegarLoop]: Abstraction has 820 states and 919 transitions. [2020-07-17 16:41:19,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 919 transitions. [2020-07-17 16:41:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-17 16:41:19,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:19,148 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:19,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:41:19,148 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:19,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:19,149 INFO L82 PathProgramCache]: Analyzing trace with hash 35871520, now seen corresponding path program 1 times [2020-07-17 16:41:19,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:19,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279816391] [2020-07-17 16:41:19,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,425 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 16:41:19,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279816391] [2020-07-17 16:41:19,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:19,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-17 16:41:19,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604237822] [2020-07-17 16:41:19,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:41:19,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:19,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:41:19,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:41:19,667 INFO L87 Difference]: Start difference. First operand 820 states and 919 transitions. Second operand 15 states. [2020-07-17 16:41:20,207 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:20,446 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:20,714 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:20,947 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:21,165 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:21,981 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:22,203 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:22,433 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:22,681 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:22,904 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:24,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:24,285 INFO L93 Difference]: Finished difference Result 1609 states and 1922 transitions. [2020-07-17 16:41:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 16:41:24,285 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 240 [2020-07-17 16:41:24,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:24,297 INFO L225 Difference]: With dead ends: 1609 [2020-07-17 16:41:24,297 INFO L226 Difference]: Without dead ends: 899 [2020-07-17 16:41:24,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-17 16:41:24,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-07-17 16:41:24,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 679. [2020-07-17 16:41:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-07-17 16:41:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 759 transitions. [2020-07-17 16:41:24,589 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 759 transitions. Word has length 240 [2020-07-17 16:41:24,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:24,590 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 759 transitions. [2020-07-17 16:41:24,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:41:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 759 transitions. [2020-07-17 16:41:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-07-17 16:41:24,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:24,595 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:24,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:41:24,595 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:24,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:24,596 INFO L82 PathProgramCache]: Analyzing trace with hash -413355322, now seen corresponding path program 2 times [2020-07-17 16:41:24,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:24,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274094513] [2020-07-17 16:41:24,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:25,257 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:41:25,258 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:41:25,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:41:25,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:41:25 BoogieIcfgContainer [2020-07-17 16:41:25,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:41:25,559 INFO L168 Benchmark]: Toolchain (without parser) took 48785.60 ms. Allocated memory was 137.4 MB in the beginning and 823.1 MB in the end (delta: 685.8 MB). Free memory was 100.8 MB in the beginning and 86.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 700.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:25,560 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:41:25,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.97 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.6 MB in the beginning and 172.9 MB in the end (delta: -72.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:25,561 INFO L168 Benchmark]: Boogie Preprocessor took 98.77 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:25,562 INFO L168 Benchmark]: RCFGBuilder took 1154.76 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.6 MB in the beginning and 180.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:25,563 INFO L168 Benchmark]: TraceAbstraction took 46780.51 ms. Allocated memory was 234.9 MB in the beginning and 823.1 MB in the end (delta: 588.3 MB). Free memory was 179.5 MB in the beginning and 86.5 MB in the end (delta: 93.0 MB). Peak memory consumption was 681.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:25,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.97 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.6 MB in the beginning and 172.9 MB in the end (delta: -72.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.77 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.76 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.6 MB in the beginning and 180.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46780.51 ms. Allocated memory was 234.9 MB in the beginning and 823.1 MB in the end (delta: 588.3 MB). Free memory was 179.5 MB in the beginning and 86.5 MB in the end (delta: 93.0 MB). Peak memory consumption was 681.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={176:163}, methaneLevelCritical=145, pumpRunning=136, systemActive=135, waterLevel=139] [L282] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={176:163}, methaneLevelCritical=145, pumpRunning=0, systemActive=135, waterLevel=139] [L283] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={176:163}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=139] [L442] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={176:163}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L443] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={176:163}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=163, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L150] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L151] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L199] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L203] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L157] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L157] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L159] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L161] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L162] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L141] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L210] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L211] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L212] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L213] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L214] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L217] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L227] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L229] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L231] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L460] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L237] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L247] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L249] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L251] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L437] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L251] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L415] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L416] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L417] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L522] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L530] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L421] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L423] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L426] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L428] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L429] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L323] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L325] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L327] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L346] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L327] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L513] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L516] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L304] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L264] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L227] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L229] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L237] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L247] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L249] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L251] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L437] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L251] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L289] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L291] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L448] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L291] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L321] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L336] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L513] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L516] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L304] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L264] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L227] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L229] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L237] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L247] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L249] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L251] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L437] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L251] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L289] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L291] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L448] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L291] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L321] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L336] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L513] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L516] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L51] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L370] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L373] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L374] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L540] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 610 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 46.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 39.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1846 SDtfs, 5164 SDslu, 5268 SDs, 0 SdLazy, 10569 SolverSat, 1749 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 459 GetRequests, 263 SyntacticMatches, 6 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1659 ImplicationChecksByTransitivity, 20.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=820occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 1663 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1519 ConstructedInterpolants, 0 QuantifiedInterpolants, 719372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 111/122 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 incorrect! Received shutdown request...