/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_spec1_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:12:57,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:12:57,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:12:57,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:12:57,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:12:57,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:12:57,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:12:57,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:12:57,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:12:57,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:12:57,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:12:57,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:12:57,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:12:57,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:12:57,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:12:57,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:12:57,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:12:57,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:12:57,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:12:57,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:12:57,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:12:57,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:12:57,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:12:57,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:12:57,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:12:57,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:12:57,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:12:57,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:12:57,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:12:57,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:12:57,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:12:57,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:12:57,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:12:57,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:12:57,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:12:57,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:12:57,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:12:57,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:12:57,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:12:57,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:12:57,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:12:57,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:12:57,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:12:57,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:12:57,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:12:57,655 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:12:57,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:12:57,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:12:57,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:12:57,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:12:57,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:12:57,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:12:57,656 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:12:57,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:12:57,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:12:57,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:12:57,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:12:57,657 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:12:57,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:12:57,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:12:57,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:12:57,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:12:57,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:12:57,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:12:57,658 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 [2020-08-22 21:12:57,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:12:57,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:12:57,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:12:57,992 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:12:57,993 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:12:57,993 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product52.cil.c [2020-08-22 21:12:58,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6e6cb78/ca6e7c396eaf405388a77871915e955d/FLAGf9c4844bf [2020-08-22 21:12:58,615 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:12:58,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product52.cil.c [2020-08-22 21:12:58,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6e6cb78/ca6e7c396eaf405388a77871915e955d/FLAGf9c4844bf [2020-08-22 21:12:58,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6e6cb78/ca6e7c396eaf405388a77871915e955d [2020-08-22 21:12:58,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:12:58,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:12:58,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:12:58,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:12:58,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:12:58,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:12:58" (1/1) ... [2020-08-22 21:12:58,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408f50c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:58, skipping insertion in model container [2020-08-22 21:12:58,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:12:58" (1/1) ... [2020-08-22 21:12:58,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:12:59,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:12:59,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:12:59,491 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:12:59,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:12:59,612 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:12:59,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59 WrapperNode [2020-08-22 21:12:59,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:12:59,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:12:59,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:12:59,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:12:59,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (1/1) ... [2020-08-22 21:12:59,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (1/1) ... [2020-08-22 21:12:59,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (1/1) ... [2020-08-22 21:12:59,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (1/1) ... [2020-08-22 21:12:59,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (1/1) ... [2020-08-22 21:12:59,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (1/1) ... [2020-08-22 21:12:59,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (1/1) ... [2020-08-22 21:12:59,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:12:59,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:12:59,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:12:59,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:12:59,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (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 [2020-08-22 21:12:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:12:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:12:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:12:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:12:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:12:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:12:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:12:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:12:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:12:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:12:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 21:12:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:12:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:12:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:12:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:12:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:12:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:12:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:12:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:12:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:12:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:12:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 21:12:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 21:12:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:12:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:12:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:12:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:12:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:12:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:12:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:12:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:12:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-22 21:12:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:12:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:12:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:12:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:12:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:12:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:12:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:12:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:12:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:12:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:12:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:12:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:12:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:12:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:12:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:12:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:12:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:12:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:12:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:12:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:12:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 21:12:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:12:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:12:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:12:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:12:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:12:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:12:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 21:12:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:12:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-22 21:12:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:12:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:12:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:12:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:12:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 21:12:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:12:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:12:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:12:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:12:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:12:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:12:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:12:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:12:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:12:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:12:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:12:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:12:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:12:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:12:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:12:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:12:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:12:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:12:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:12:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:12:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:12:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:12:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:12:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:12:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:12:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:12:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:12:59,842 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:12:59,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:12:59,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:12:59,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:13:01,095 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:13:01,096 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:13:01,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:13:01 BoogieIcfgContainer [2020-08-22 21:13:01,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:13:01,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:13:01,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:13:01,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:13:01,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:12:58" (1/3) ... [2020-08-22 21:13:01,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db1b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:13:01, skipping insertion in model container [2020-08-22 21:13:01,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:59" (2/3) ... [2020-08-22 21:13:01,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db1b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:13:01, skipping insertion in model container [2020-08-22 21:13:01,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:13:01" (3/3) ... [2020-08-22 21:13:01,117 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product52.cil.c [2020-08-22 21:13:01,127 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:13:01,140 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:13:01,154 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:13:01,177 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:13:01,177 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:13:01,178 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:13:01,178 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:13:01,178 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:13:01,178 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:13:01,178 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:13:01,178 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:13:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-08-22 21:13:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 21:13:01,223 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:01,224 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] [2020-08-22 21:13:01,224 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:01,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:01,231 INFO L82 PathProgramCache]: Analyzing trace with hash 254159831, now seen corresponding path program 1 times [2020-08-22 21:13:01,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:01,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350873228] [2020-08-22 21:13:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:01,998 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:02,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:02,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:02,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:02,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:02,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:13:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:02,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350873228] [2020-08-22 21:13:02,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:02,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 21:13:02,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137248782] [2020-08-22 21:13:02,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 21:13:02,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:02,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 21:13:02,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:13:02,205 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 3 states. [2020-08-22 21:13:03,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:03,642 INFO L93 Difference]: Finished difference Result 512 states and 609 transitions. [2020-08-22 21:13:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 21:13:03,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-08-22 21:13:03,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:03,661 INFO L225 Difference]: With dead ends: 512 [2020-08-22 21:13:03,662 INFO L226 Difference]: Without dead ends: 315 [2020-08-22 21:13:03,667 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 [2020-08-22 21:13:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-08-22 21:13:03,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 271. [2020-08-22 21:13:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-08-22 21:13:03,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 295 transitions. [2020-08-22 21:13:03,837 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 295 transitions. Word has length 142 [2020-08-22 21:13:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:03,838 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 295 transitions. [2020-08-22 21:13:03,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 21:13:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 295 transitions. [2020-08-22 21:13:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-08-22 21:13:03,850 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:03,850 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] [2020-08-22 21:13:03,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:13:03,851 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:03,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:03,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1230709371, now seen corresponding path program 1 times [2020-08-22 21:13:03,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:03,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492803062] [2020-08-22 21:13:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,307 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:04,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:13:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:13:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:04,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492803062] [2020-08-22 21:13:04,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:04,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:13:04,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831727366] [2020-08-22 21:13:04,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:13:04,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:04,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:13:04,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:13:04,379 INFO L87 Difference]: Start difference. First operand 271 states and 295 transitions. Second operand 4 states. [2020-08-22 21:13:04,988 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:06,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:06,064 INFO L93 Difference]: Finished difference Result 419 states and 472 transitions. [2020-08-22 21:13:06,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:13:06,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-08-22 21:13:06,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:06,072 INFO L225 Difference]: With dead ends: 419 [2020-08-22 21:13:06,072 INFO L226 Difference]: Without dead ends: 298 [2020-08-22 21:13:06,074 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 [2020-08-22 21:13:06,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-08-22 21:13:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 261. [2020-08-22 21:13:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-08-22 21:13:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 282 transitions. [2020-08-22 21:13:06,160 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 282 transitions. Word has length 143 [2020-08-22 21:13:06,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:06,161 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 282 transitions. [2020-08-22 21:13:06,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:13:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 282 transitions. [2020-08-22 21:13:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-22 21:13:06,163 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:06,164 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] [2020-08-22 21:13:06,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:13:06,164 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:06,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:06,164 INFO L82 PathProgramCache]: Analyzing trace with hash -11881279, now seen corresponding path program 1 times [2020-08-22 21:13:06,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:06,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250905472] [2020-08-22 21:13:06,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,484 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:13:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:13:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 21:13:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:06,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250905472] [2020-08-22 21:13:06,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:06,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:13:06,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880502753] [2020-08-22 21:13:06,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:13:06,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:06,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:13:06,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:13:06,650 INFO L87 Difference]: Start difference. First operand 261 states and 282 transitions. Second operand 10 states. [2020-08-22 21:13:07,119 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:07,400 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:07,632 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:13:07,922 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:08,162 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:08,393 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:09,284 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:11,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:11,747 INFO L93 Difference]: Finished difference Result 718 states and 836 transitions. [2020-08-22 21:13:11,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:13:11,747 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-08-22 21:13:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:11,752 INFO L225 Difference]: With dead ends: 718 [2020-08-22 21:13:11,752 INFO L226 Difference]: Without dead ends: 567 [2020-08-22 21:13:11,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:13:11,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-08-22 21:13:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 472. [2020-08-22 21:13:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-08-22 21:13:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 528 transitions. [2020-08-22 21:13:11,953 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 528 transitions. Word has length 156 [2020-08-22 21:13:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:11,953 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 528 transitions. [2020-08-22 21:13:11,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:13:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 528 transitions. [2020-08-22 21:13:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 21:13:11,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:11,957 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] [2020-08-22 21:13:11,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:13:11,957 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:11,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:11,958 INFO L82 PathProgramCache]: Analyzing trace with hash -409466612, now seen corresponding path program 1 times [2020-08-22 21:13:11,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:11,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870015216] [2020-08-22 21:13:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,265 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:12,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 21:13:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:13:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-08-22 21:13:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:12,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870015216] [2020-08-22 21:13:12,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:12,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 21:13:12,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606310284] [2020-08-22 21:13:12,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:13:12,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:12,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:13:12,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:13:12,405 INFO L87 Difference]: Start difference. First operand 472 states and 528 transitions. Second operand 9 states. [2020-08-22 21:13:12,882 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:14,179 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:14,453 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:14,793 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:15,106 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:15,349 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:15,588 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:15,846 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:16,314 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:17,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:17,492 INFO L93 Difference]: Finished difference Result 1314 states and 1572 transitions. [2020-08-22 21:13:17,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:13:17,493 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-08-22 21:13:17,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:17,500 INFO L225 Difference]: With dead ends: 1314 [2020-08-22 21:13:17,501 INFO L226 Difference]: Without dead ends: 952 [2020-08-22 21:13:17,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:13:17,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-08-22 21:13:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 795. [2020-08-22 21:13:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2020-08-22 21:13:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 902 transitions. [2020-08-22 21:13:17,744 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 902 transitions. Word has length 161 [2020-08-22 21:13:17,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:17,745 INFO L479 AbstractCegarLoop]: Abstraction has 795 states and 902 transitions. [2020-08-22 21:13:17,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:13:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 902 transitions. [2020-08-22 21:13:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-22 21:13:17,749 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:17,750 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] [2020-08-22 21:13:17,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:13:17,750 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:17,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:17,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1234625458, now seen corresponding path program 1 times [2020-08-22 21:13:17,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:17,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795528169] [2020-08-22 21:13:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,164 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:18,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:13:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 21:13:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-08-22 21:13:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:18,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795528169] [2020-08-22 21:13:18,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:18,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:13:18,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936300868] [2020-08-22 21:13:18,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:13:18,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:18,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:13:18,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:13:18,417 INFO L87 Difference]: Start difference. First operand 795 states and 902 transitions. Second operand 10 states. [2020-08-22 21:13:19,031 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:20,386 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:20,696 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:20,934 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:21,180 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:21,405 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:22,040 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:22,300 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:22,630 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:23,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:23,620 INFO L93 Difference]: Finished difference Result 2058 states and 2533 transitions. [2020-08-22 21:13:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 21:13:23,625 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2020-08-22 21:13:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:23,634 INFO L225 Difference]: With dead ends: 2058 [2020-08-22 21:13:23,634 INFO L226 Difference]: Without dead ends: 1373 [2020-08-22 21:13:23,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:13:23,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-08-22 21:13:24,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1105. [2020-08-22 21:13:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2020-08-22 21:13:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1273 transitions. [2020-08-22 21:13:24,049 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1273 transitions. Word has length 166 [2020-08-22 21:13:24,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:24,050 INFO L479 AbstractCegarLoop]: Abstraction has 1105 states and 1273 transitions. [2020-08-22 21:13:24,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:13:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1273 transitions. [2020-08-22 21:13:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-08-22 21:13:24,054 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:24,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:24,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:13:24,055 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:24,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:24,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1793051015, now seen corresponding path program 1 times [2020-08-22 21:13:24,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:24,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51672311] [2020-08-22 21:13:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,314 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:24,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:13:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:13:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:13:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 21:13:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:24,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51672311] [2020-08-22 21:13:24,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:24,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:13:24,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271177696] [2020-08-22 21:13:24,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:13:24,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:24,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:13:24,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:13:24,502 INFO L87 Difference]: Start difference. First operand 1105 states and 1273 transitions. Second operand 11 states. [2020-08-22 21:13:25,896 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:26,209 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:13:26,483 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:13:26,705 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:26,975 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:27,216 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:29,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:29,000 INFO L93 Difference]: Finished difference Result 2717 states and 3403 transitions. [2020-08-22 21:13:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 21:13:29,000 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 199 [2020-08-22 21:13:29,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:29,012 INFO L225 Difference]: With dead ends: 2717 [2020-08-22 21:13:29,012 INFO L226 Difference]: Without dead ends: 1722 [2020-08-22 21:13:29,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:13:29,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-08-22 21:13:29,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1143. [2020-08-22 21:13:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-08-22 21:13:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1313 transitions. [2020-08-22 21:13:29,415 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1313 transitions. Word has length 199 [2020-08-22 21:13:29,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:29,416 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1313 transitions. [2020-08-22 21:13:29,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:13:29,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1313 transitions. [2020-08-22 21:13:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-08-22 21:13:29,420 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:29,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:29,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:13:29,421 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:29,421 INFO L82 PathProgramCache]: Analyzing trace with hash 819180839, now seen corresponding path program 1 times [2020-08-22 21:13:29,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:29,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263210122] [2020-08-22 21:13:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,680 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:29,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:13:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:13:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:13:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 21:13:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:29,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263210122] [2020-08-22 21:13:29,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:29,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 21:13:29,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108656517] [2020-08-22 21:13:29,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:13:29,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:29,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:13:29,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:13:29,934 INFO L87 Difference]: Start difference. First operand 1143 states and 1313 transitions. Second operand 14 states. [2020-08-22 21:13:30,484 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:30,713 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:13:30,943 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:31,169 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:31,384 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:32,342 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:32,601 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:32,873 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:33,154 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:33,403 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:35,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:35,567 INFO L93 Difference]: Finished difference Result 2799 states and 3554 transitions. [2020-08-22 21:13:35,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 21:13:35,568 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 199 [2020-08-22 21:13:35,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:35,579 INFO L225 Difference]: With dead ends: 2799 [2020-08-22 21:13:35,579 INFO L226 Difference]: Without dead ends: 1766 [2020-08-22 21:13:35,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:13:35,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2020-08-22 21:13:36,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1167. [2020-08-22 21:13:36,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2020-08-22 21:13:36,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1337 transitions. [2020-08-22 21:13:36,098 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1337 transitions. Word has length 199 [2020-08-22 21:13:36,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:36,099 INFO L479 AbstractCegarLoop]: Abstraction has 1167 states and 1337 transitions. [2020-08-22 21:13:36,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:13:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1337 transitions. [2020-08-22 21:13:36,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-08-22 21:13:36,103 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:36,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:36,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:13:36,104 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:36,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:36,105 INFO L82 PathProgramCache]: Analyzing trace with hash -821113142, now seen corresponding path program 1 times [2020-08-22 21:13:36,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:36,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895785605] [2020-08-22 21:13:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,337 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:13:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:13:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:13:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 21:13:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:36,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895785605] [2020-08-22 21:13:36,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:36,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:13:36,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721829491] [2020-08-22 21:13:36,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:13:36,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:36,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:13:36,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:13:36,572 INFO L87 Difference]: Start difference. First operand 1167 states and 1337 transitions. Second operand 8 states. [2020-08-22 21:13:36,714 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-08-22 21:13:37,190 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:37,693 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:42,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:42,087 INFO L93 Difference]: Finished difference Result 4329 states and 5547 transitions. [2020-08-22 21:13:42,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 21:13:42,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2020-08-22 21:13:42,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:42,106 INFO L225 Difference]: With dead ends: 4329 [2020-08-22 21:13:42,106 INFO L226 Difference]: Without dead ends: 3272 [2020-08-22 21:13:42,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-08-22 21:13:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3272 states. [2020-08-22 21:13:43,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3272 to 2347. [2020-08-22 21:13:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2347 states. [2020-08-22 21:13:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 2717 transitions. [2020-08-22 21:13:43,158 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 2717 transitions. Word has length 199 [2020-08-22 21:13:43,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:43,159 INFO L479 AbstractCegarLoop]: Abstraction has 2347 states and 2717 transitions. [2020-08-22 21:13:43,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:13:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2717 transitions. [2020-08-22 21:13:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-08-22 21:13:43,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:43,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:43,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:13:43,165 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:43,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:43,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1861424498, now seen corresponding path program 1 times [2020-08-22 21:13:43,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:43,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426862890] [2020-08-22 21:13:43,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:13:43,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:13:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:13:43,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:13:43,547 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:13:43,548 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:13:43,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:13:43,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:13:43 BoogieIcfgContainer [2020-08-22 21:13:43,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:13:43,832 INFO L168 Benchmark]: Toolchain (without parser) took 44865.94 ms. Allocated memory was 140.0 MB in the beginning and 1.1 GB in the end (delta: 973.1 MB). Free memory was 103.1 MB in the beginning and 154.9 MB in the end (delta: -51.8 MB). Peak memory consumption was 921.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:43,833 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-08-22 21:13:43,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.84 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 171.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:43,840 INFO L168 Benchmark]: Boogie Preprocessor took 103.46 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 167.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:43,841 INFO L168 Benchmark]: RCFGBuilder took 1390.06 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 172.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:43,842 INFO L168 Benchmark]: TraceAbstraction took 42717.11 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 876.1 MB). Free memory was 172.8 MB in the beginning and 154.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 894.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:43,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.84 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 171.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.46 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 167.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1390.06 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 172.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42717.11 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 876.1 MB). Free memory was 172.8 MB in the beginning and 154.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 894.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 383]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=142, pumpRunning=136, systemActive=135, waterLevel=1] [L49] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L158] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L159] int systemActive = 1; VAL [\old(cleanupTimeShifts)=168, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L752] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] 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] [L535] 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] [L539] 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] [L540] 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] [L541] 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] [L975] 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] [L978] 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] [L979] 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] [L541] 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] [L541] 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] [L543] 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] [L545] 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] [L546] 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] [L525] 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] [L390] 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] [L391] 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] [L392] 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] [L393] 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] [L394] 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] [L397] 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] [L399] 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] [L401] 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] [L407] 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] [L409] 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] [L411] 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] [L66] 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] [L67] 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] [L411] 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] [L417] tmp___0 = __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=1, waterLevel=2] [L419] COND TRUE \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=1, waterLevel=2] [L421] CALL changeMethaneLevel() 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] [L78] COND FALSE !(\read(methaneLevelCritical)) 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] [L81] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L421] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L427] 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=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L429] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L431] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L374] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L431] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L446] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L166] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L173] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L175] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L221] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L224] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L239] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L195] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L198] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L318] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L319] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L320] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L324] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L128] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L131] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L135] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L136] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L324] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L324] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L326] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L329] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L331] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L332] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L200] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L202] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L204] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L249] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L204] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L239] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L175] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L181] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L558] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L559] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L87] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L90] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L91] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L563] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L565] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L567] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L273] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L276] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L277] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L567] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L567] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L569] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L571] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L383] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 647 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 42.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 34.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2102 SDtfs, 4648 SDslu, 4289 SDs, 0 SdLazy, 9393 SolverSat, 1519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 202 SyntacticMatches, 3 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2347occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 2704 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1569 NumberOfCodeBlocks, 1569 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1357 ConstructedInterpolants, 0 QuantifiedInterpolants, 579505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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...