/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:23:50,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:23:50,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:23:50,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:23:50,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:23:50,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:23:50,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:23:50,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:23:50,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:23:50,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:23:50,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:23:50,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:23:50,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:23:50,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:23:50,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:23:50,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:23:50,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:23:50,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:23:50,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:23:50,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:23:50,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:23:50,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:23:50,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:23:50,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:23:50,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:23:50,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:23:50,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:23:50,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:23:50,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:23:50,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:23:50,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:23:50,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:23:50,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:23:50,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:23:50,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:23:50,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:23:50,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:23:50,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:23:50,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:23:50,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:23:50,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:23:50,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:23:50,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:23:50,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:23:50,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:23:50,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:23:50,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:23:50,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:23:50,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:23:50,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:23:50,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:23:50,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:23:50,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:23:50,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:23:50,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:23:50,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:23:50,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:23:50,830 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:23:50,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:23:50,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:23:50,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:23:50,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:23:50,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:23:50,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:23:50,831 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 21:23:51,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:23:51,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:23:51,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:23:51,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:23:51,158 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:23:51,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2020-08-22 21:23:51,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ebfe23e/6ae524ce38684b45857cc1192f2c0cfb/FLAG130cb23c6 [2020-08-22 21:23:51,738 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:23:51,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2020-08-22 21:23:51,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ebfe23e/6ae524ce38684b45857cc1192f2c0cfb/FLAG130cb23c6 [2020-08-22 21:23:52,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ebfe23e/6ae524ce38684b45857cc1192f2c0cfb [2020-08-22 21:23:52,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:23:52,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:23:52,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:23:52,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:23:52,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:23:52,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:52,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da4c468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52, skipping insertion in model container [2020-08-22 21:23:52,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:52,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:23:52,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:23:52,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:23:52,845 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:23:52,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:23:52,989 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:23:52,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52 WrapperNode [2020-08-22 21:23:52,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:23:52,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:23:52,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:23:52,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:23:53,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:53,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:53,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:53,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:53,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:53,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:53,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... [2020-08-22 21:23:53,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:23:53,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:23:53,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:23:53,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:23:53,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:23:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-22 21:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:23:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:23:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:23:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 21:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:23:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:23:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:23:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:23:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:23:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:23:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:23:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:23:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:23:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:23:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 21:23:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 21:23:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:23:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:23:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:23:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:23:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:23:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-22 21:23:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:23:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:23:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:23:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:23:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:23:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:23:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:23:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:23:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:23:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:23:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:23:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:23:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:23:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 21:23:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:23:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:23:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:23:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:23:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:23:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 21:23:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:23:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:23:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:23:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:23:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:23:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:23:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:23:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:23:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:23:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:23:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:23:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:23:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:23:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:23:54,493 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:23:54,493 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:23:54,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:54 BoogieIcfgContainer [2020-08-22 21:23:54,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:23:54,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:23:54,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:23:54,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:23:54,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:23:52" (1/3) ... [2020-08-22 21:23:54,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e29a807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:23:54, skipping insertion in model container [2020-08-22 21:23:54,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:52" (2/3) ... [2020-08-22 21:23:54,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e29a807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:23:54, skipping insertion in model container [2020-08-22 21:23:54,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:54" (3/3) ... [2020-08-22 21:23:54,509 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52.cil.c [2020-08-22 21:23:54,521 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:23:54,532 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:23:54,547 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:23:54,571 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:23:54,572 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:23:54,572 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:23:54,572 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:23:54,572 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:23:54,572 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:23:54,573 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:23:54,573 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:23:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states. [2020-08-22 21:23:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-22 21:23:54,621 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:23:54,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:23:54,623 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:23:54,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:23:54,631 INFO L82 PathProgramCache]: Analyzing trace with hash 71377499, now seen corresponding path program 1 times [2020-08-22 21:23:54,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:23:54,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148630975] [2020-08-22 21:23:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:23:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,394 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:23:55,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:23:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:23:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:23:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:23:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:23:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:23:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:23:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:23:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:23:55,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148630975] [2020-08-22 21:23:55,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:23:55,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 21:23:55,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035604872] [2020-08-22 21:23:55,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 21:23:55,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:23:55,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 21:23:55,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:23:55,597 INFO L87 Difference]: Start difference. First operand 339 states. Second operand 3 states. [2020-08-22 21:23:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:23:57,093 INFO L93 Difference]: Finished difference Result 534 states and 633 transitions. [2020-08-22 21:23:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 21:23:57,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-08-22 21:23:57,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:23:57,113 INFO L225 Difference]: With dead ends: 534 [2020-08-22 21:23:57,113 INFO L226 Difference]: Without dead ends: 326 [2020-08-22 21:23:57,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:23:57,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-08-22 21:23:57,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 282. [2020-08-22 21:23:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-08-22 21:23:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 307 transitions. [2020-08-22 21:23:57,266 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 307 transitions. Word has length 153 [2020-08-22 21:23:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:23:57,267 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 307 transitions. [2020-08-22 21:23:57,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 21:23:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 307 transitions. [2020-08-22 21:23:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-22 21:23:57,272 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:23:57,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:23:57,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:23:57,273 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:23:57,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:23:57,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1758648365, now seen corresponding path program 1 times [2020-08-22 21:23:57,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:23:57,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467104956] [2020-08-22 21:23:57,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:23:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,647 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:23:57,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:23:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:23:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:23:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:23:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:23:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-22 21:23:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 21:23:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-22 21:23:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:23:57,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467104956] [2020-08-22 21:23:57,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:23:57,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:23:57,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500489324] [2020-08-22 21:23:57,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:23:57,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:23:57,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:23:57,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:23:57,772 INFO L87 Difference]: Start difference. First operand 282 states and 307 transitions. Second operand 4 states. [2020-08-22 21:23:58,407 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:23:59,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:23:59,492 INFO L93 Difference]: Finished difference Result 441 states and 496 transitions. [2020-08-22 21:23:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:23:59,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-08-22 21:23:59,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:23:59,498 INFO L225 Difference]: With dead ends: 441 [2020-08-22 21:23:59,498 INFO L226 Difference]: Without dead ends: 309 [2020-08-22 21:23:59,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:23:59,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-08-22 21:23:59,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 272. [2020-08-22 21:23:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-08-22 21:23:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 294 transitions. [2020-08-22 21:23:59,590 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 294 transitions. Word has length 154 [2020-08-22 21:23:59,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:23:59,591 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 294 transitions. [2020-08-22 21:23:59,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:23:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 294 transitions. [2020-08-22 21:23:59,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-22 21:23:59,594 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:23:59,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:23:59,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:23:59,595 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:23:59,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:23:59,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1306567739, now seen corresponding path program 1 times [2020-08-22 21:23:59,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:23:59,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745311678] [2020-08-22 21:23:59,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:23:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:59,943 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:23:59,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:23:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:23:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:23:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:23:59,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:23:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:24:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:00,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:24:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:00,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 21:24:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:00,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 21:24:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-08-22 21:24:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:24:00,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745311678] [2020-08-22 21:24:00,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:24:00,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:24:00,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813934772] [2020-08-22 21:24:00,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:24:00,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:24:00,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:24:00,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:24:00,111 INFO L87 Difference]: Start difference. First operand 272 states and 294 transitions. Second operand 10 states. [2020-08-22 21:24:00,648 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:24:01,157 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:24:01,505 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:24:01,849 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:02,091 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:24:02,309 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:03,253 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:24:05,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:24:05,884 INFO L93 Difference]: Finished difference Result 762 states and 884 transitions. [2020-08-22 21:24:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:24:05,885 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-08-22 21:24:05,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:24:05,894 INFO L225 Difference]: With dead ends: 762 [2020-08-22 21:24:05,894 INFO L226 Difference]: Without dead ends: 600 [2020-08-22 21:24:05,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:24:05,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-08-22 21:24:06,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 505. [2020-08-22 21:24:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2020-08-22 21:24:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 564 transitions. [2020-08-22 21:24:06,098 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 564 transitions. Word has length 167 [2020-08-22 21:24:06,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:24:06,098 INFO L479 AbstractCegarLoop]: Abstraction has 505 states and 564 transitions. [2020-08-22 21:24:06,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:24:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 564 transitions. [2020-08-22 21:24:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-08-22 21:24:06,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:24:06,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:24:06,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:24:06,103 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:24:06,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:24:06,104 INFO L82 PathProgramCache]: Analyzing trace with hash 189083004, now seen corresponding path program 1 times [2020-08-22 21:24:06,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:24:06,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010874406] [2020-08-22 21:24:06,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:24:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,383 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:24:06,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:24:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:24:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:24:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:24:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:24:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 21:24:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 21:24:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-22 21:24:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 21:24:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:24:06,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010874406] [2020-08-22 21:24:06,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:24:06,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 21:24:06,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836366446] [2020-08-22 21:24:06,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:24:06,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:24:06,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:24:06,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:24:06,580 INFO L87 Difference]: Start difference. First operand 505 states and 564 transitions. Second operand 9 states. [2020-08-22 21:24:07,191 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:24:09,151 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:09,413 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:24:09,699 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:10,045 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:24:10,294 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:24:10,546 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:10,784 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:11,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:24:11,714 INFO L93 Difference]: Finished difference Result 1377 states and 1651 transitions. [2020-08-22 21:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 21:24:11,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-08-22 21:24:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:24:11,726 INFO L225 Difference]: With dead ends: 1377 [2020-08-22 21:24:11,726 INFO L226 Difference]: Without dead ends: 982 [2020-08-22 21:24:11,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-22 21:24:11,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-08-22 21:24:12,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 879. [2020-08-22 21:24:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-08-22 21:24:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1005 transitions. [2020-08-22 21:24:12,128 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1005 transitions. Word has length 172 [2020-08-22 21:24:12,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:24:12,129 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 1005 transitions. [2020-08-22 21:24:12,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:24:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1005 transitions. [2020-08-22 21:24:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 21:24:12,135 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:24:12,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:24:12,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:24:12,136 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:24:12,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:24:12,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1049977612, now seen corresponding path program 1 times [2020-08-22 21:24:12,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:24:12,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564508483] [2020-08-22 21:24:12,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:24:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:24:12,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:24:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:24:12,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:24:12,487 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:24:12,487 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:24:12,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:24:12,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:24:12 BoogieIcfgContainer [2020-08-22 21:24:12,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:24:12,697 INFO L168 Benchmark]: Toolchain (without parser) took 20611.45 ms. Allocated memory was 138.9 MB in the beginning and 583.0 MB in the end (delta: 444.1 MB). Free memory was 101.7 MB in the beginning and 144.0 MB in the end (delta: -42.2 MB). Peak memory consumption was 401.8 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:12,698 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 21:24:12,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.99 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.5 MB in the beginning and 171.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:12,700 INFO L168 Benchmark]: Boogie Preprocessor took 92.41 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:12,701 INFO L168 Benchmark]: RCFGBuilder took 1417.01 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 167.0 MB in the beginning and 170.5 MB in the end (delta: -3.5 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:12,701 INFO L168 Benchmark]: TraceAbstraction took 18193.86 ms. Allocated memory was 235.4 MB in the beginning and 583.0 MB in the end (delta: 347.6 MB). Free memory was 169.0 MB in the beginning and 144.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 372.7 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:12,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 902.99 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.5 MB in the beginning and 171.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.41 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1417.01 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 167.0 MB in the beginning and 170.5 MB in the end (delta: -3.5 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18193.86 ms. Allocated memory was 235.4 MB in the beginning and 583.0 MB in the end (delta: 347.6 MB). Free memory was 169.0 MB in the beginning and 144.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 372.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 853]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=175, head={176:166}, methaneLevelCritical=145, pumpRunning=135, systemActive=134, waterLevel=1] [L85] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=175, head={176:166}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=175, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L559] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=134, waterLevel=1] [L560] int systemActive = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L970] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L976] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L891] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L976] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L976] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L978] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L980] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L981] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L782] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L783] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L784] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L785] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L788] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L790] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L792] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L798] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L800] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L802] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L802] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L808] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L810] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L818] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L820] COND FALSE !(\read(tmp___2)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L826] tmp___1 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L828] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L830] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L830] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L837] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L573] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L581] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L46] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L126] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L158] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L676] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L677] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L853] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 653 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1088 SDtfs, 1702 SDslu, 1441 SDs, 0 SdLazy, 3447 SolverSat, 580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=879occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 279 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 823 NumberOfCodeBlocks, 823 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 251470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...