/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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:37:00,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:37:00,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:37:00,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:37:00,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:37:00,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:37:00,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:37:00,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:37:00,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:37:00,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:37:00,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:37:00,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:37:00,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:37:00,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:37:00,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:37:00,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:37:00,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:37:00,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:37:00,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:37:00,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:37:00,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:37:00,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:37:00,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:37:00,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:37:00,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:37:00,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:37:00,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:37:00,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:37:00,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:37:00,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:37:00,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:37:00,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:37:00,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:37:00,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:37:00,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:37:00,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:37:00,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:37:00,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:37:00,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:37:00,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:37:00,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:37:00,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:37:00,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:37:00,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:37:00,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:37:00,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:37:00,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:37:00,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:37:00,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:37:00,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:37:00,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:37:00,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:37:00,906 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:37:00,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:37:00,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:37:00,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:37:00,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:37:00,907 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:37:00,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:37:00,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:37:00,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:37:00,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:37:00,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:37:00,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:37:00,908 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:37:01,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:37:01,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:37:01,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:37:01,215 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:37:01,215 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:37:01,216 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2020-07-17 16:37:01,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cfd710df/a6ac4b8d095a420fa0e78f124d9494eb/FLAGdc11be6a8 [2020-07-17 16:37:01,786 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:37:01,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2020-07-17 16:37:01,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cfd710df/a6ac4b8d095a420fa0e78f124d9494eb/FLAGdc11be6a8 [2020-07-17 16:37:02,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cfd710df/a6ac4b8d095a420fa0e78f124d9494eb [2020-07-17 16:37:02,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:37:02,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:37:02,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:37:02,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:37:02,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:37:02,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d0384f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02, skipping insertion in model container [2020-07-17 16:37:02,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:37:02,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:37:02,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:37:02,683 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:37:02,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:37:02,814 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:37:02,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02 WrapperNode [2020-07-17 16:37:02,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:37:02,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:37:02,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:37:02,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:37:02,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... [2020-07-17 16:37:02,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:37:02,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:37:02,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:37:02,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:37:02,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:37:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:37:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:37:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:37:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:37:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:37:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:37:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:37:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:37:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:37:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:37:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:37:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:37:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:37:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:37:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 16:37:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:37:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:37:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:37:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:37:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:37:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:37:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:37:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:37:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:37:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:37:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:37:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:37:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:37:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:37:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 16:37:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 16:37:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:37:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:37:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:37:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:37:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:37:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:37:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:37:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 16:37:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 16:37:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:37:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:37:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:37:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:37:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:37:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:37:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:37:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:37:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:37:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:37:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:37:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:37:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:37:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:37:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:37:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:37:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 16:37:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:37:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:37:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:37:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:37:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:37:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:37:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:37:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:37:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:37:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:37:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:37:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:37:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:37:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:37:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:37:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:37:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:37:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:37:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:37:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:37:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:37:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:37:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:37:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:37:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:37:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:37:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:37:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:37:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:37:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 16:37:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:37:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:37:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:37:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:37:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 16:37:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 16:37:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 16:37:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:37:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:37:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:37:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:37:04,226 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:37:04,226 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:37:04,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:37:04 BoogieIcfgContainer [2020-07-17 16:37:04,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:37:04,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:37:04,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:37:04,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:37:04,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:37:02" (1/3) ... [2020-07-17 16:37:04,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1e87b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:37:04, skipping insertion in model container [2020-07-17 16:37:04,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:37:02" (2/3) ... [2020-07-17 16:37:04,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1e87b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:37:04, skipping insertion in model container [2020-07-17 16:37:04,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:37:04" (3/3) ... [2020-07-17 16:37:04,245 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c [2020-07-17 16:37:04,256 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:37:04,265 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:37:04,279 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:37:04,301 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:37:04,301 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:37:04,302 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:37:04,302 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:37:04,302 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:37:04,302 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:37:04,302 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:37:04,302 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:37:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states. [2020-07-17 16:37:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:37:04,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:37:04,346 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] [2020-07-17 16:37:04,346 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:37:04,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:37:04,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1599034145, now seen corresponding path program 1 times [2020-07-17 16:37:04,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:37:04,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585818886] [2020-07-17 16:37:04,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:37:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,091 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:37:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:37:05,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585818886] [2020-07-17 16:37:05,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:37:05,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:37:05,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183965807] [2020-07-17 16:37:05,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:37:05,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:37:05,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:37:05,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:37:05,450 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 3 states. [2020-07-17 16:37:06,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:37:06,979 INFO L93 Difference]: Finished difference Result 567 states and 676 transitions. [2020-07-17 16:37:06,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:37:06,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:37:06,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:37:06,999 INFO L225 Difference]: With dead ends: 567 [2020-07-17 16:37:06,999 INFO L226 Difference]: Without dead ends: 343 [2020-07-17 16:37:07,005 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 [2020-07-17 16:37:07,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-17 16:37:07,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 298. [2020-07-17 16:37:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-17 16:37:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 328 transitions. [2020-07-17 16:37:07,171 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 328 transitions. Word has length 153 [2020-07-17 16:37:07,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:37:07,172 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 328 transitions. [2020-07-17 16:37:07,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:37:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 328 transitions. [2020-07-17 16:37:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:37:07,178 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:37:07,178 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] [2020-07-17 16:37:07,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:37:07,179 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:37:07,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:37:07,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1907459970, now seen corresponding path program 1 times [2020-07-17 16:37:07,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:37:07,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047373721] [2020-07-17 16:37:07,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:37:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,542 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:37:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:37:07,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047373721] [2020-07-17 16:37:07,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:37:07,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:37:07,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627575172] [2020-07-17 16:37:07,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:37:07,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:37:07,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:37:07,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:37:07,622 INFO L87 Difference]: Start difference. First operand 298 states and 328 transitions. Second operand 4 states. [2020-07-17 16:37:08,308 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:37:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:37:09,585 INFO L93 Difference]: Finished difference Result 478 states and 543 transitions. [2020-07-17 16:37:09,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:37:09,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:37:09,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:37:09,592 INFO L225 Difference]: With dead ends: 478 [2020-07-17 16:37:09,592 INFO L226 Difference]: Without dead ends: 326 [2020-07-17 16:37:09,594 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 [2020-07-17 16:37:09,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-17 16:37:09,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 288. [2020-07-17 16:37:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-07-17 16:37:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 315 transitions. [2020-07-17 16:37:09,682 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 315 transitions. Word has length 154 [2020-07-17 16:37:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:37:09,683 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 315 transitions. [2020-07-17 16:37:09,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:37:09,683 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 315 transitions. [2020-07-17 16:37:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 16:37:09,686 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:37:09,686 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] [2020-07-17 16:37:09,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:37:09,687 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:37:09,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:37:09,687 INFO L82 PathProgramCache]: Analyzing trace with hash -383907644, now seen corresponding path program 1 times [2020-07-17 16:37:09,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:37:09,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599425311] [2020-07-17 16:37:09,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:37:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,048 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:37:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:10,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:37:10,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599425311] [2020-07-17 16:37:10,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:37:10,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:37:10,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167939808] [2020-07-17 16:37:10,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:37:10,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:37:10,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:37:10,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:37:10,199 INFO L87 Difference]: Start difference. First operand 288 states and 315 transitions. Second operand 9 states. [2020-07-17 16:37:10,651 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:37:11,038 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:37:11,277 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:37:11,518 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:37:11,751 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:37:11,980 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:37:12,876 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:37:15,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:37:15,648 INFO L93 Difference]: Finished difference Result 790 states and 914 transitions. [2020-07-17 16:37:15,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:37:15,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-17 16:37:15,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:37:15,655 INFO L225 Difference]: With dead ends: 790 [2020-07-17 16:37:15,655 INFO L226 Difference]: Without dead ends: 612 [2020-07-17 16:37:15,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-17 16:37:15,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-07-17 16:37:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 541. [2020-07-17 16:37:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-07-17 16:37:15,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 610 transitions. [2020-07-17 16:37:15,865 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 610 transitions. Word has length 163 [2020-07-17 16:37:15,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:37:15,866 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 610 transitions. [2020-07-17 16:37:15,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:37:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 610 transitions. [2020-07-17 16:37:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-17 16:37:15,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:37:15,870 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] [2020-07-17 16:37:15,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:37:15,871 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:37:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:37:15,872 INFO L82 PathProgramCache]: Analyzing trace with hash 621095136, now seen corresponding path program 1 times [2020-07-17 16:37:15,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:37:15,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239037218] [2020-07-17 16:37:15,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:37:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,162 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:37:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:37:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:37:16,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239037218] [2020-07-17 16:37:16,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:37:16,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:37:16,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958316546] [2020-07-17 16:37:16,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:37:16,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:37:16,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:37:16,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:37:16,346 INFO L87 Difference]: Start difference. First operand 541 states and 610 transitions. Second operand 9 states. [2020-07-17 16:37:16,881 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:37:19,232 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:37:19,517 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:37:19,839 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:37:20,189 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:37:20,432 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:37:20,676 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:37:20,923 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:37:21,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:37:21,975 INFO L93 Difference]: Finished difference Result 1490 states and 1799 transitions. [2020-07-17 16:37:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 16:37:21,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-07-17 16:37:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:37:21,990 INFO L225 Difference]: With dead ends: 1490 [2020-07-17 16:37:21,991 INFO L226 Difference]: Without dead ends: 1059 [2020-07-17 16:37:21,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:37:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-07-17 16:37:22,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 955. [2020-07-17 16:37:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-07-17 16:37:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1103 transitions. [2020-07-17 16:37:22,422 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1103 transitions. Word has length 172 [2020-07-17 16:37:22,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:37:22,423 INFO L479 AbstractCegarLoop]: Abstraction has 955 states and 1103 transitions. [2020-07-17 16:37:22,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:37:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1103 transitions. [2020-07-17 16:37:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-17 16:37:22,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:37:22,431 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] [2020-07-17 16:37:22,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:37:22,431 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:37:22,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:37:22,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1515693883, now seen corresponding path program 1 times [2020-07-17 16:37:22,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:37:22,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561254059] [2020-07-17 16:37:22,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:37:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:37:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:37:22,732 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:37:22,733 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:37:22,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:37:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:37:23 BoogieIcfgContainer [2020-07-17 16:37:23,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:37:23,004 INFO L168 Benchmark]: Toolchain (without parser) took 20896.92 ms. Allocated memory was 146.3 MB in the beginning and 610.3 MB in the end (delta: 464.0 MB). Free memory was 103.0 MB in the beginning and 168.1 MB in the end (delta: -65.1 MB). Peak memory consumption was 398.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:37:23,006 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 16:37:23,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.20 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 172.4 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:37:23,013 INFO L168 Benchmark]: Boogie Preprocessor took 103.21 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:37:23,014 INFO L168 Benchmark]: RCFGBuilder took 1317.85 ms. Allocated memory was 203.4 MB in the beginning and 238.0 MB in the end (delta: 34.6 MB). Free memory was 168.3 MB in the beginning and 173.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:37:23,015 INFO L168 Benchmark]: TraceAbstraction took 18763.33 ms. Allocated memory was 238.0 MB in the beginning and 610.3 MB in the end (delta: 372.2 MB). Free memory was 173.3 MB in the beginning and 168.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 377.5 MB. Max. memory is 7.1 GB. [2020-07-17 16:37:23,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.20 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 172.4 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.21 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.85 ms. Allocated memory was 203.4 MB in the beginning and 238.0 MB in the end (delta: 34.6 MB). Free memory was 168.3 MB in the beginning and 173.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18763.33 ms. Allocated memory was 238.0 MB in the beginning and 610.3 MB in the end (delta: 372.2 MB). Free memory was 173.3 MB in the beginning and 168.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 377.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 193]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L86] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=175, head={176:165}, methaneLevelCritical=145, pumpRunning=134, systemActive=133, waterLevel=1] [L87] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=175, head={176:165}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L564] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L667] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=133, waterLevel=1] [L668] int systemActive = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L640] 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] [L641] 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] [L645] 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] [L646] 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] [L647] 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] [L69] 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] [L72] 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] [L73] 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] [L647] 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] [L647] 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] [L649] 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] [L651] 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] [L652] 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] [L634] 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] [L941] 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] [L942] 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] [L943] 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] [L944] 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] [L945] 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] [L948] 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] [L950] 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] [L952] 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] [L958] 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] [L960] 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] [L962] 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] [L104] 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] [L105] 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] [L962] 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] [L968] 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] [L970] 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] [L978] 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] [L980] 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] [L984] 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] [L986] 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] [L988] 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] [L894] 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] [L901] 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] [L988] 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] [L995] 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] [L675] 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] [L682] 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] [L690] 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] [L907] 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] [L908] 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] [L909] 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] [L913] 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] [L125] 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] [L128] 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] [L129] 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] [L913] 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] [L913] 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] [L915] 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] [L919] 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] [L157] 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] [L160] 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] [L161] 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] [L919] 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] [L919] 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] [L921] 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] [L923] 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] [L808] 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] [L811] 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] [L812] 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] [L923] 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] [L923] 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] [L925] 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] [L929] 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] [L193] __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, 661 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1138 SDtfs, 1684 SDslu, 1303 SDs, 0 SdLazy, 3728 SolverSat, 568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=955occurred 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, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 262060 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...