/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:37:48,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:37:48,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:37:48,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:37:48,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:37:48,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:37:48,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:37:48,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:37:48,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:37:48,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:37:48,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:37:48,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:37:48,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:37:48,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:37:48,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:37:48,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:37:48,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:37:48,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:37:48,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:37:48,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:37:48,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:37:48,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:37:48,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:37:48,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:37:48,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:37:48,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:37:48,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:37:48,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:37:48,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:37:48,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:37:48,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:37:48,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:37:48,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:37:48,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:37:48,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:37:48,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:37:48,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:37:48,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:37:48,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:37:48,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:37:48,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:37:48,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:37:48,670 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:37:48,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:37:48,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:37:48,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:37:48,673 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:37:48,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:37:48,675 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:37:48,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:37:48,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:37:48,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:37:48,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:37:48,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:37:48,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:37:48,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:37:48,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:37:48,677 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:37:48,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:37:48,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:37:48,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:37:48,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:37:48,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:37:48,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:48,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:37:48,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:37:48,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:37:48,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:37:48,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:48,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:37:48,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:37:48,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:37:48,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:37:48,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:37:48,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:37:48,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:37:48,994 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:37:48,995 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-07-21 10:37:49,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3374db4af/31a5fd90b9224cf7bafd1f17dff04360/FLAG3850182e3 [2020-07-21 10:37:49,583 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:37:49,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-07-21 10:37:49,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3374db4af/31a5fd90b9224cf7bafd1f17dff04360/FLAG3850182e3 [2020-07-21 10:37:49,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3374db4af/31a5fd90b9224cf7bafd1f17dff04360 [2020-07-21 10:37:49,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:37:49,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:37:49,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:49,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:37:49,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:37:49,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:49" (1/1) ... [2020-07-21 10:37:49,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b019480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:49, skipping insertion in model container [2020-07-21 10:37:49,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:49" (1/1) ... [2020-07-21 10:37:49,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:37:50,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:37:50,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:50,401 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:37:50,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:50,540 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:37:50,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50 WrapperNode [2020-07-21 10:37:50,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:50,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:37:50,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:37:50,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:37:50,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... [2020-07-21 10:37:50,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... [2020-07-21 10:37:50,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... [2020-07-21 10:37:50,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... [2020-07-21 10:37:50,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... [2020-07-21 10:37:50,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... [2020-07-21 10:37:50,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... [2020-07-21 10:37:50,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:37:50,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:37:50,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:37:50,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:37:50,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:37:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:37:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:37:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:37:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:37:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:37:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:37:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:37:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:37:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:37:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:37:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:37:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:37:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:37:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:37:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:37:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:37:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:37:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:37:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:37:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:37:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:37:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:37:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:37:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:37:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:37:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:37:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:37:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:37:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:37:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:37:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:37:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:37:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:37:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:37:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:37:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:37:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:37:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:37:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:37:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:37:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:37:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:37:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:37:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:37:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:37:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:37:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:37:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:37:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:37:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:37:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:37:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:37:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:37:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:37:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:37:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:37:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:37:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:37:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:37:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:37:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:37:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:37:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:37:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:37:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:37:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:37:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:37:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:37:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:37:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:37:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:37:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:37:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:37:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:37:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:37:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:37:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:37:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:37:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:37:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:37:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:37:51,845 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:37:51,846 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:37:51,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:51 BoogieIcfgContainer [2020-07-21 10:37:51,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:37:51,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:37:51,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:37:51,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:37:51,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:49" (1/3) ... [2020-07-21 10:37:51,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdbb81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:51, skipping insertion in model container [2020-07-21 10:37:51,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:50" (2/3) ... [2020-07-21 10:37:51,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdbb81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:51, skipping insertion in model container [2020-07-21 10:37:51,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:51" (3/3) ... [2020-07-21 10:37:51,860 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-07-21 10:37:51,871 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:37:51,883 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:37:51,898 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:37:51,925 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:37:51,925 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:37:51,925 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:37:51,925 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:37:51,926 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:37:51,926 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:37:51,926 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:37:51,926 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:37:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-07-21 10:37:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:37:51,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:51,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:51,960 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:51,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:51,966 INFO L82 PathProgramCache]: Analyzing trace with hash 261309835, now seen corresponding path program 1 times [2020-07-21 10:37:51,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:51,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221309194] [2020-07-21 10:37:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:52,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:37:52,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:52,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:52,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221309194] [2020-07-21 10:37:52,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:52,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:37:52,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385188531] [2020-07-21 10:37:52,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:37:52,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:52,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:37:52,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:52,300 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2020-07-21 10:37:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:52,342 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2020-07-21 10:37:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:37:52,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:37:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:52,356 INFO L225 Difference]: With dead ends: 266 [2020-07-21 10:37:52,357 INFO L226 Difference]: Without dead ends: 133 [2020-07-21 10:37:52,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:52,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-21 10:37:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-21 10:37:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 10:37:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2020-07-21 10:37:52,418 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 46 [2020-07-21 10:37:52,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:52,418 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2020-07-21 10:37:52,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:37:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2020-07-21 10:37:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:37:52,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:52,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:52,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:52,637 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:52,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:52,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1021856254, now seen corresponding path program 1 times [2020-07-21 10:37:52,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:52,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479727783] [2020-07-21 10:37:52,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:52,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:37:52,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:52,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:52,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479727783] [2020-07-21 10:37:52,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:52,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:52,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004714387] [2020-07-21 10:37:52,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:52,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:52,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:52,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:52,906 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2020-07-21 10:37:52,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:52,942 INFO L93 Difference]: Finished difference Result 242 states and 291 transitions. [2020-07-21 10:37:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:52,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:37:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:52,947 INFO L225 Difference]: With dead ends: 242 [2020-07-21 10:37:52,948 INFO L226 Difference]: Without dead ends: 133 [2020-07-21 10:37:52,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:52,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-21 10:37:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-21 10:37:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 10:37:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2020-07-21 10:37:52,966 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 47 [2020-07-21 10:37:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:52,967 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2020-07-21 10:37:52,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2020-07-21 10:37:52,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 10:37:52,971 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:52,971 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] [2020-07-21 10:37:53,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:53,186 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:53,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:53,186 INFO L82 PathProgramCache]: Analyzing trace with hash -629251764, now seen corresponding path program 1 times [2020-07-21 10:37:53,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:53,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46923694] [2020-07-21 10:37:53,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:53,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:37:53,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:53,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:53,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46923694] [2020-07-21 10:37:53,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:53,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:53,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013111302] [2020-07-21 10:37:53,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:53,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:53,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:53,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:53,423 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 6 states. [2020-07-21 10:37:53,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:53,663 INFO L93 Difference]: Finished difference Result 340 states and 427 transitions. [2020-07-21 10:37:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:53,664 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 10:37:53,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:53,669 INFO L225 Difference]: With dead ends: 340 [2020-07-21 10:37:53,669 INFO L226 Difference]: Without dead ends: 231 [2020-07-21 10:37:53,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:53,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-21 10:37:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2020-07-21 10:37:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-21 10:37:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 286 transitions. [2020-07-21 10:37:53,702 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 286 transitions. Word has length 64 [2020-07-21 10:37:53,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:53,703 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 286 transitions. [2020-07-21 10:37:53,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2020-07-21 10:37:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-21 10:37:53,707 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:53,707 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] [2020-07-21 10:37:53,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:53,921 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:53,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:53,921 INFO L82 PathProgramCache]: Analyzing trace with hash -866450298, now seen corresponding path program 1 times [2020-07-21 10:37:53,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:53,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770661712] [2020-07-21 10:37:53,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:54,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:37:54,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:54,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:54,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770661712] [2020-07-21 10:37:54,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:54,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 10:37:54,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205757515] [2020-07-21 10:37:54,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:37:54,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:54,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:37:54,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:37:54,181 INFO L87 Difference]: Start difference. First operand 231 states and 286 transitions. Second operand 7 states. [2020-07-21 10:37:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:54,952 INFO L93 Difference]: Finished difference Result 589 states and 823 transitions. [2020-07-21 10:37:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:37:54,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2020-07-21 10:37:54,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:54,957 INFO L225 Difference]: With dead ends: 589 [2020-07-21 10:37:54,957 INFO L226 Difference]: Without dead ends: 382 [2020-07-21 10:37:54,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:37:54,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-07-21 10:37:54,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 348. [2020-07-21 10:37:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-07-21 10:37:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 459 transitions. [2020-07-21 10:37:55,000 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 459 transitions. Word has length 68 [2020-07-21 10:37:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:55,001 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 459 transitions. [2020-07-21 10:37:55,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:37:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 459 transitions. [2020-07-21 10:37:55,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-21 10:37:55,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:55,016 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:55,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:55,217 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:55,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:55,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1317130585, now seen corresponding path program 1 times [2020-07-21 10:37:55,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:55,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770664355] [2020-07-21 10:37:55,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:55,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:37:55,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:55,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:55,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770664355] [2020-07-21 10:37:55,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:55,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:55,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412466095] [2020-07-21 10:37:55,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:55,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:55,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:55,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:55,444 INFO L87 Difference]: Start difference. First operand 348 states and 459 transitions. Second operand 3 states. [2020-07-21 10:37:55,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:55,464 INFO L93 Difference]: Finished difference Result 564 states and 702 transitions. [2020-07-21 10:37:55,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:55,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-07-21 10:37:55,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:55,468 INFO L225 Difference]: With dead ends: 564 [2020-07-21 10:37:55,468 INFO L226 Difference]: Without dead ends: 312 [2020-07-21 10:37:55,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:55,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-07-21 10:37:55,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2020-07-21 10:37:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-07-21 10:37:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 383 transitions. [2020-07-21 10:37:55,495 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 383 transitions. Word has length 141 [2020-07-21 10:37:55,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:55,496 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 383 transitions. [2020-07-21 10:37:55,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 383 transitions. [2020-07-21 10:37:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 10:37:55,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:55,499 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:55,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:55,714 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:55,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:55,715 INFO L82 PathProgramCache]: Analyzing trace with hash 783945498, now seen corresponding path program 1 times [2020-07-21 10:37:55,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:55,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77360126] [2020-07-21 10:37:55,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:55,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:37:55,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-21 10:37:55,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:55,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77360126] [2020-07-21 10:37:55,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:55,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:55,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112385690] [2020-07-21 10:37:55,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:55,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:55,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:55,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:55,959 INFO L87 Difference]: Start difference. First operand 312 states and 383 transitions. Second operand 6 states. [2020-07-21 10:37:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:56,002 INFO L93 Difference]: Finished difference Result 614 states and 796 transitions. [2020-07-21 10:37:56,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:56,003 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-07-21 10:37:56,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:56,006 INFO L225 Difference]: With dead ends: 614 [2020-07-21 10:37:56,006 INFO L226 Difference]: Without dead ends: 326 [2020-07-21 10:37:56,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:37:56,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-21 10:37:56,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 322. [2020-07-21 10:37:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-07-21 10:37:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 394 transitions. [2020-07-21 10:37:56,027 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 394 transitions. Word has length 145 [2020-07-21 10:37:56,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:56,027 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 394 transitions. [2020-07-21 10:37:56,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 394 transitions. [2020-07-21 10:37:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 10:37:56,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:56,030 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:56,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:56,243 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:56,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:56,244 INFO L82 PathProgramCache]: Analyzing trace with hash -272785704, now seen corresponding path program 1 times [2020-07-21 10:37:56,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:56,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887353189] [2020-07-21 10:37:56,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:56,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:37:56,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-21 10:37:56,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:56,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887353189] [2020-07-21 10:37:56,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:56,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:37:56,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115710268] [2020-07-21 10:37:56,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:37:56,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:56,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:37:56,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:37:56,484 INFO L87 Difference]: Start difference. First operand 322 states and 394 transitions. Second operand 5 states. [2020-07-21 10:37:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:56,518 INFO L93 Difference]: Finished difference Result 594 states and 756 transitions. [2020-07-21 10:37:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:37:56,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-07-21 10:37:56,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:56,523 INFO L225 Difference]: With dead ends: 594 [2020-07-21 10:37:56,523 INFO L226 Difference]: Without dead ends: 296 [2020-07-21 10:37:56,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:37:56,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-21 10:37:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-07-21 10:37:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-07-21 10:37:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 360 transitions. [2020-07-21 10:37:56,562 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 360 transitions. Word has length 145 [2020-07-21 10:37:56,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:56,562 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 360 transitions. [2020-07-21 10:37:56,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:37:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 360 transitions. [2020-07-21 10:37:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 10:37:56,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:56,565 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:56,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:56,780 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:56,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1471520969, now seen corresponding path program 1 times [2020-07-21 10:37:56,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:56,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789684860] [2020-07-21 10:37:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:56,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:37:56,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:57,038 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:57,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:57,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789684860] [2020-07-21 10:37:57,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:57,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:57,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260098108] [2020-07-21 10:37:57,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:57,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:57,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:57,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:57,041 INFO L87 Difference]: Start difference. First operand 296 states and 360 transitions. Second operand 6 states. [2020-07-21 10:37:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:57,773 INFO L93 Difference]: Finished difference Result 775 states and 1009 transitions. [2020-07-21 10:37:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:37:57,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-07-21 10:37:57,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:57,777 INFO L225 Difference]: With dead ends: 775 [2020-07-21 10:37:57,777 INFO L226 Difference]: Without dead ends: 503 [2020-07-21 10:37:57,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:37:57,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-07-21 10:37:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 488. [2020-07-21 10:37:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-07-21 10:37:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 604 transitions. [2020-07-21 10:37:57,810 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 604 transitions. Word has length 145 [2020-07-21 10:37:57,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:57,811 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 604 transitions. [2020-07-21 10:37:57,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 604 transitions. [2020-07-21 10:37:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 10:37:57,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:57,815 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:58,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:58,030 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash 432107741, now seen corresponding path program 1 times [2020-07-21 10:37:58,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:58,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883147368] [2020-07-21 10:37:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:58,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:37:58,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:58,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:37:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 10:37:58,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883147368] [2020-07-21 10:37:58,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:37:58,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-21 10:37:58,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83344201] [2020-07-21 10:37:58,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 10:37:58,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:58,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 10:37:58,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:37:58,693 INFO L87 Difference]: Start difference. First operand 488 states and 604 transitions. Second operand 12 states. [2020-07-21 10:38:00,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:00,194 INFO L93 Difference]: Finished difference Result 1274 states and 1732 transitions. [2020-07-21 10:38:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:38:00,195 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2020-07-21 10:38:00,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:00,201 INFO L225 Difference]: With dead ends: 1274 [2020-07-21 10:38:00,201 INFO L226 Difference]: Without dead ends: 810 [2020-07-21 10:38:00,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 286 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-21 10:38:00,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-07-21 10:38:00,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 653. [2020-07-21 10:38:00,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-07-21 10:38:00,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 812 transitions. [2020-07-21 10:38:00,248 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 812 transitions. Word has length 149 [2020-07-21 10:38:00,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:00,249 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 812 transitions. [2020-07-21 10:38:00,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 10:38:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 812 transitions. [2020-07-21 10:38:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-21 10:38:00,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:00,253 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:00,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:00,466 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:00,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:00,467 INFO L82 PathProgramCache]: Analyzing trace with hash -706947900, now seen corresponding path program 2 times [2020-07-21 10:38:00,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:00,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689747682] [2020-07-21 10:38:00,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 10:38:00,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 10:38:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 10:38:00,817 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 10:38:01,157 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 10:38:01,158 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 10:38:01,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:01,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:38:01 BoogieIcfgContainer [2020-07-21 10:38:01,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:38:01,590 INFO L168 Benchmark]: Toolchain (without parser) took 11646.10 ms. Allocated memory was 140.0 MB in the beginning and 358.6 MB in the end (delta: 218.6 MB). Free memory was 103.4 MB in the beginning and 255.0 MB in the end (delta: -151.6 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:01,591 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 10:38:01,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.88 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.0 MB in the beginning and 174.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:01,594 INFO L168 Benchmark]: Boogie Preprocessor took 89.96 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 169.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:01,598 INFO L168 Benchmark]: RCFGBuilder took 1220.11 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.5 MB in the beginning and 195.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:01,599 INFO L168 Benchmark]: TraceAbstraction took 9730.73 ms. Allocated memory was 235.9 MB in the beginning and 358.6 MB in the end (delta: 122.7 MB). Free memory was 195.6 MB in the beginning and 255.0 MB in the end (delta: -59.4 MB). Peak memory consumption was 230.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:01,608 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.88 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.0 MB in the beginning and 174.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.96 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 169.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.11 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.5 MB in the beginning and 195.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9730.73 ms. Allocated memory was 235.9 MB in the beginning and 358.6 MB in the end (delta: 122.7 MB). Free memory was 195.6 MB in the beginning and 255.0 MB in the end (delta: -59.4 MB). Peak memory consumption was 230.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 317]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L117] int pumpRunning = 0; [L118] int systemActive = 1; [L491] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L715] int cleanupTimeShifts = 4; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=37, \old(head)=27, \old(head)=35, \old(methaneLevelCritical)=60, \old(pumpRunning)=59, \old(systemActive)=33, \old(waterLevel)=36, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L791] int retValue_acc ; [L792] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L796] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L797] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] int retValue_acc ; [L937] retValue_acc = 1 [L938] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L798] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L798] tmp = valid_product() [L800] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L802] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L803] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L782] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L54] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L56] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L62] tmp = __VERIFIER_nondet_int() [L64] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L66] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] COND TRUE waterLevel < 2 [L833] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L66] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L97] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L125] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L180] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L198] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L154] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L159] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] int retValue_acc ; [L295] int tmp ; [L296] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L897] COND FALSE !(waterLevel < 2) [L901] retValue_acc = 0 [L902] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L300] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] tmp = isHighWaterSensorDry() [L302] COND FALSE !(\read(tmp)) [L305] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L307] retValue_acc = tmp___0 [L308] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L159] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L159] tmp = isHighWaterLevel() [L161] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L163] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L213] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L217] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L238] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L242] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] retValue_acc = isMethaneLevelCritical() [L244] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L217] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L217] tmp = isMethaneAlarm() [L219] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L223] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L208] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L223] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L163] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L198] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L134] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L140] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L690] int tmp ; [L691] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L695] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L695] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L695] tmp = getWaterLevel() [L697] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L140] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L97] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L54] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L56] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=2] [L97] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L125] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L127] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L820] COND TRUE waterLevel > 0 [L821] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L127] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L132] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L134] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L180] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L183] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L185] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L238] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L242] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L242] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L242] retValue_acc = isMethaneLevelCritical() [L244] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L185] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L185] tmp = isMethaneAlarm() [L187] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L193] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L154] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L172] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L193] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L134] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L140] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L690] int tmp ; [L691] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L695] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L695] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L695] tmp = getWaterLevel() [L697] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L140] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L97] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=1] [L54] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=1] [L56] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=1] [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=1] [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=1] [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=1] [L97] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L125] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L127] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L820] COND TRUE waterLevel > 0 [L821] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L127] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L132] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L134] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L180] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L183] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L185] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L238] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L242] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L242] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L242] retValue_acc = isMethaneLevelCritical() [L244] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L185] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L185] tmp = isMethaneAlarm() [L187] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L193] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L154] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L157] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L172] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L193] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L134] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L140] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L690] int tmp ; [L691] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L695] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L695] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L695] tmp = getWaterLevel() [L697] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L699] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L249] int retValue_acc ; [L252] retValue_acc = pumpRunning [L253] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L699] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L699] tmp___0 = isPumpRunning() [L701] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L703] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L317] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1424 SDtfs, 1031 SDslu, 2481 SDs, 0 SdLazy, 1897 SolverSat, 503 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1117 GetRequests, 1059 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=653occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 210 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1150 NumberOfCodeBlocks, 1150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1089 ConstructedInterpolants, 0 QuantifiedInterpolants, 224491 SizeOfPredicates, 27 NumberOfNonLiveVariables, 6925 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 184/209 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...