/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_spec2_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:37:42,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:37:42,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:37:42,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:37:42,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:37:42,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:37:42,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:37:42,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:37:42,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:37:42,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:37:42,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:37:42,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:37:42,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:37:42,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:37:42,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:37:42,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:37:42,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:37:42,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:37:42,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:37:42,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:37:42,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:37:42,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:37:42,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:37:42,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:37:42,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:37:42,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:37:42,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:37:42,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:37:42,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:37:42,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:37:42,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:37:42,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:37:42,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:37:42,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:37:42,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:37:42,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:37:42,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:37:42,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:37:42,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:37:42,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:37:42,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:37:42,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:37:42,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:37:42,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:37:42,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:37:42,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:37:42,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:37:42,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:37:42,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:37:42,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:37:42,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:37:42,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:37:42,979 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:37:42,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:37:42,980 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:37:42,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:37:42,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:37:42,980 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:37:42,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:37:42,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:37:42,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:37:42,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:37:42,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:37:42,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:37:42,982 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 [2020-09-04 20:37:43,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:37:43,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:37:43,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:37:43,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:37:43,406 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:37:43,407 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-04 20:37:43,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61875e15f/500c64390f5a4981aea08800dd87441b/FLAGa0f9a6db3 [2020-09-04 20:37:44,045 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:37:44,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-04 20:37:44,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61875e15f/500c64390f5a4981aea08800dd87441b/FLAGa0f9a6db3 [2020-09-04 20:37:44,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61875e15f/500c64390f5a4981aea08800dd87441b [2020-09-04 20:37:44,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:37:44,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:37:44,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:44,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:37:44,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:37:44,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:44" (1/1) ... [2020-09-04 20:37:44,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:44, skipping insertion in model container [2020-09-04 20:37:44,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:44" (1/1) ... [2020-09-04 20:37:44,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:37:44,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:37:44,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:44,955 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:37:45,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:45,104 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:37:45,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45 WrapperNode [2020-09-04 20:37:45,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:45,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:37:45,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:37:45,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:37:45,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... [2020-09-04 20:37:45,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... [2020-09-04 20:37:45,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... [2020-09-04 20:37:45,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... [2020-09-04 20:37:45,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... [2020-09-04 20:37:45,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... [2020-09-04 20:37:45,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... [2020-09-04 20:37:45,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:37:45,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:37:45,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:37:45,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:37:45,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:37:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:37:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:37:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:37:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:37:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:37:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:37:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:37:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:37:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:37:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:37:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:37:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:37:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:37:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:37:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:37:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 20:37:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:37:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:37:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:37:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:37:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:37:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:37:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:37:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:37:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:37:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:37:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:37:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:37:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:37:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:37:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:37:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:37:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:37:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:37:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:37:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:37:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:37:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:37:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:37:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:37:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:37:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 20:37:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:37:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:37:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:37:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:37:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:37:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:37:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:37:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:37:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:37:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:37:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:37:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:37:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:37:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:37:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:37:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:37:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:37:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:37:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:37:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:37:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:37:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:37:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:37:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:37:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:37:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:37:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:37:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:37:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:37:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:37:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:37:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:37:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:37:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:37:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:37:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:37:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:37:46,401 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:37:46,401 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:37:46,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:46 BoogieIcfgContainer [2020-09-04 20:37:46,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:37:46,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:37:46,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:37:46,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:37:46,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:37:44" (1/3) ... [2020-09-04 20:37:46,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38093cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:46, skipping insertion in model container [2020-09-04 20:37:46,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:45" (2/3) ... [2020-09-04 20:37:46,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38093cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:46, skipping insertion in model container [2020-09-04 20:37:46,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:46" (3/3) ... [2020-09-04 20:37:46,418 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2020-09-04 20:37:46,429 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:37:46,439 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:37:46,459 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:37:46,483 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:37:46,483 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:37:46,484 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:37:46,484 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:37:46,484 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:37:46,484 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:37:46,484 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:37:46,484 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:37:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-04 20:37:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-04 20:37:46,529 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:46,531 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] [2020-09-04 20:37:46,531 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:46,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:46,537 INFO L82 PathProgramCache]: Analyzing trace with hash -436184323, now seen corresponding path program 1 times [2020-09-04 20:37:46,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:46,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211115636] [2020-09-04 20:37:46,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,383 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:37:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:47,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211115636] [2020-09-04 20:37:47,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:47,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:37:47,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412670446] [2020-09-04 20:37:47,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:37:47,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:47,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:37:47,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:37:47,621 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 4 states. [2020-09-04 20:37:49,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:49,040 INFO L93 Difference]: Finished difference Result 499 states and 589 transitions. [2020-09-04 20:37:49,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 20:37:49,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-04 20:37:49,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:49,063 INFO L225 Difference]: With dead ends: 499 [2020-09-04 20:37:49,063 INFO L226 Difference]: Without dead ends: 318 [2020-09-04 20:37:49,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:37:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-04 20:37:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 266. [2020-09-04 20:37:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-09-04 20:37:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 288 transitions. [2020-09-04 20:37:49,247 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 288 transitions. Word has length 148 [2020-09-04 20:37:49,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:49,249 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 288 transitions. [2020-09-04 20:37:49,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:37:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 288 transitions. [2020-09-04 20:37:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-04 20:37:49,260 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:49,260 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] [2020-09-04 20:37:49,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:37:49,261 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:49,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:49,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1204536532, now seen corresponding path program 1 times [2020-09-04 20:37:49,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:49,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188370678] [2020-09-04 20:37:49,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,696 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:49,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-04 20:37:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:37:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:49,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188370678] [2020-09-04 20:37:49,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:49,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 20:37:49,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801889847] [2020-09-04 20:37:49,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 20:37:49,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:49,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 20:37:49,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:37:49,788 INFO L87 Difference]: Start difference. First operand 266 states and 288 transitions. Second operand 5 states. [2020-09-04 20:37:50,560 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:51,586 INFO L93 Difference]: Finished difference Result 415 states and 470 transitions. [2020-09-04 20:37:51,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 20:37:51,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-04 20:37:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:51,597 INFO L225 Difference]: With dead ends: 415 [2020-09-04 20:37:51,597 INFO L226 Difference]: Without dead ends: 307 [2020-09-04 20:37:51,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 20:37:51,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-04 20:37:51,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 256. [2020-09-04 20:37:51,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-04 20:37:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 275 transitions. [2020-09-04 20:37:51,703 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 275 transitions. Word has length 149 [2020-09-04 20:37:51,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:51,707 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 275 transitions. [2020-09-04 20:37:51,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 20:37:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 275 transitions. [2020-09-04 20:37:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-04 20:37:51,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:51,709 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] [2020-09-04 20:37:51,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:37:51,710 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:51,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:51,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1794035067, now seen corresponding path program 1 times [2020-09-04 20:37:51,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:51,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427513966] [2020-09-04 20:37:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,115 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:52,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:37:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 20:37:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:37:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:52,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427513966] [2020-09-04 20:37:52,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:52,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:37:52,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485162569] [2020-09-04 20:37:52,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:37:52,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:52,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:37:52,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:37:52,324 INFO L87 Difference]: Start difference. First operand 256 states and 275 transitions. Second operand 11 states. [2020-09-04 20:37:53,003 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:53,437 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:53,684 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:37:54,010 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:54,329 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:54,624 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:55,671 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:58,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:58,349 INFO L93 Difference]: Finished difference Result 709 states and 829 transitions. [2020-09-04 20:37:58,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 20:37:58,349 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 162 [2020-09-04 20:37:58,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:58,360 INFO L225 Difference]: With dead ends: 709 [2020-09-04 20:37:58,361 INFO L226 Difference]: Without dead ends: 568 [2020-09-04 20:37:58,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-04 20:37:58,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2020-09-04 20:37:58,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 449. [2020-09-04 20:37:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-09-04 20:37:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 498 transitions. [2020-09-04 20:37:58,562 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 498 transitions. Word has length 162 [2020-09-04 20:37:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:58,563 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 498 transitions. [2020-09-04 20:37:58,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:37:58,563 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 498 transitions. [2020-09-04 20:37:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-04 20:37:58,566 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:58,566 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] [2020-09-04 20:37:58,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:37:58,567 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:58,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:58,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1969407122, now seen corresponding path program 1 times [2020-09-04 20:37:58,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:58,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84992227] [2020-09-04 20:37:58,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,967 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:58,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 20:37:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 20:37:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-04 20:37:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:59,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84992227] [2020-09-04 20:37:59,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:59,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:37:59,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95286280] [2020-09-04 20:37:59,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:37:59,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:59,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:37:59,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:37:59,146 INFO L87 Difference]: Start difference. First operand 449 states and 498 transitions. Second operand 10 states. [2020-09-04 20:37:59,691 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:01,263 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:01,582 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:01,956 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:02,314 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:02,621 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:02,914 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:03,213 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:03,681 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:05,264 INFO L93 Difference]: Finished difference Result 1245 states and 1499 transitions. [2020-09-04 20:38:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 20:38:05,266 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-04 20:38:05,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:05,277 INFO L225 Difference]: With dead ends: 1245 [2020-09-04 20:38:05,277 INFO L226 Difference]: Without dead ends: 911 [2020-09-04 20:38:05,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-04 20:38:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-09-04 20:38:05,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 735. [2020-09-04 20:38:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-04 20:38:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 825 transitions. [2020-09-04 20:38:05,510 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 825 transitions. Word has length 167 [2020-09-04 20:38:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:05,510 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 825 transitions. [2020-09-04 20:38:05,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:38:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 825 transitions. [2020-09-04 20:38:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-04 20:38:05,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:05,514 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] [2020-09-04 20:38:05,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:38:05,514 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:05,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:05,515 INFO L82 PathProgramCache]: Analyzing trace with hash 515321639, now seen corresponding path program 1 times [2020-09-04 20:38:05,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:05,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45381293] [2020-09-04 20:38:05,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,930 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:05,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:38:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:38:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:38:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:38:06,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45381293] [2020-09-04 20:38:06,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:06,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:38:06,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080343209] [2020-09-04 20:38:06,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:38:06,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:06,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:38:06,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:38:06,147 INFO L87 Difference]: Start difference. First operand 735 states and 825 transitions. Second operand 11 states. [2020-09-04 20:38:06,631 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:08,076 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:08,410 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:08,712 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:09,005 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:09,314 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:10,162 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:10,478 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:10,832 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:11,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:11,853 INFO L93 Difference]: Finished difference Result 1917 states and 2347 transitions. [2020-09-04 20:38:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 20:38:11,853 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-04 20:38:11,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:11,864 INFO L225 Difference]: With dead ends: 1917 [2020-09-04 20:38:11,865 INFO L226 Difference]: Without dead ends: 1297 [2020-09-04 20:38:11,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-04 20:38:11,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2020-09-04 20:38:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1009. [2020-09-04 20:38:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-09-04 20:38:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1139 transitions. [2020-09-04 20:38:12,231 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1139 transitions. Word has length 172 [2020-09-04 20:38:12,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:12,231 INFO L479 AbstractCegarLoop]: Abstraction has 1009 states and 1139 transitions. [2020-09-04 20:38:12,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:38:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1139 transitions. [2020-09-04 20:38:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-04 20:38:12,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:12,237 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:12,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:38:12,238 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:12,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:12,238 INFO L82 PathProgramCache]: Analyzing trace with hash 975143304, now seen corresponding path program 1 times [2020-09-04 20:38:12,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:12,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954831232] [2020-09-04 20:38:12,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,599 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:38:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 20:38:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-04 20:38:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:12,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954831232] [2020-09-04 20:38:12,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:12,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-04 20:38:12,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752100691] [2020-09-04 20:38:12,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 20:38:12,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:12,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 20:38:12,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-04 20:38:12,918 INFO L87 Difference]: Start difference. First operand 1009 states and 1139 transitions. Second operand 12 states. [2020-09-04 20:38:14,619 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:14,934 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:15,275 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 20:38:15,639 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:15,975 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:16,270 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:18,524 INFO L93 Difference]: Finished difference Result 2558 states and 3243 transitions. [2020-09-04 20:38:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 20:38:18,525 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 222 [2020-09-04 20:38:18,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:18,535 INFO L225 Difference]: With dead ends: 2558 [2020-09-04 20:38:18,536 INFO L226 Difference]: Without dead ends: 1664 [2020-09-04 20:38:18,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-09-04 20:38:18,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-09-04 20:38:18,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1047. [2020-09-04 20:38:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-09-04 20:38:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1177 transitions. [2020-09-04 20:38:18,895 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1177 transitions. Word has length 222 [2020-09-04 20:38:18,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:18,895 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1177 transitions. [2020-09-04 20:38:18,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 20:38:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1177 transitions. [2020-09-04 20:38:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-04 20:38:18,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:18,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:18,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:38:18,902 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:18,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:18,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1880024600, now seen corresponding path program 1 times [2020-09-04 20:38:18,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:18,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557195311] [2020-09-04 20:38:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,230 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:19,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:38:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 20:38:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-04 20:38:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:19,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557195311] [2020-09-04 20:38:19,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:19,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 20:38:19,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107090316] [2020-09-04 20:38:19,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 20:38:19,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:19,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 20:38:19,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-09-04 20:38:19,502 INFO L87 Difference]: Start difference. First operand 1047 states and 1177 transitions. Second operand 15 states. [2020-09-04 20:38:20,188 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:20,517 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:20,858 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:21,180 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:21,488 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:22,774 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:23,095 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:23,464 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:23,827 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:24,156 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:27,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:27,045 INFO L93 Difference]: Finished difference Result 2632 states and 3313 transitions. [2020-09-04 20:38:27,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 20:38:27,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-09-04 20:38:27,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:27,058 INFO L225 Difference]: With dead ends: 2632 [2020-09-04 20:38:27,058 INFO L226 Difference]: Without dead ends: 1700 [2020-09-04 20:38:27,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=296, Invalid=894, Unknown=0, NotChecked=0, Total=1190 [2020-09-04 20:38:27,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-09-04 20:38:27,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1071. [2020-09-04 20:38:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2020-09-04 20:38:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1201 transitions. [2020-09-04 20:38:27,505 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1201 transitions. Word has length 222 [2020-09-04 20:38:27,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:27,506 INFO L479 AbstractCegarLoop]: Abstraction has 1071 states and 1201 transitions. [2020-09-04 20:38:27,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 20:38:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1201 transitions. [2020-09-04 20:38:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-04 20:38:27,510 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:27,510 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:27,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:38:27,511 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:27,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:27,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1794470949, now seen corresponding path program 1 times [2020-09-04 20:38:27,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:27,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918523228] [2020-09-04 20:38:27,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:27,941 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:38:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 20:38:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-04 20:38:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:28,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918523228] [2020-09-04 20:38:28,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:28,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:38:28,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135938231] [2020-09-04 20:38:28,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:38:28,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:28,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:38:28,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:38:28,185 INFO L87 Difference]: Start difference. First operand 1071 states and 1201 transitions. Second operand 9 states. [2020-09-04 20:38:28,791 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:29,487 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:34,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:34,902 INFO L93 Difference]: Finished difference Result 4167 states and 5301 transitions. [2020-09-04 20:38:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 20:38:34,903 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2020-09-04 20:38:34,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:34,923 INFO L225 Difference]: With dead ends: 4167 [2020-09-04 20:38:34,923 INFO L226 Difference]: Without dead ends: 3211 [2020-09-04 20:38:34,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2020-09-04 20:38:34,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2020-09-04 20:38:35,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 2223. [2020-09-04 20:38:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2223 states. [2020-09-04 20:38:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2527 transitions. [2020-09-04 20:38:35,881 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2527 transitions. Word has length 222 [2020-09-04 20:38:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:35,881 INFO L479 AbstractCegarLoop]: Abstraction has 2223 states and 2527 transitions. [2020-09-04 20:38:35,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:38:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2527 transitions. [2020-09-04 20:38:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-04 20:38:35,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:35,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:35,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:38:35,887 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:35,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:35,887 INFO L82 PathProgramCache]: Analyzing trace with hash -788516918, now seen corresponding path program 1 times [2020-09-04 20:38:35,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:35,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963687577] [2020-09-04 20:38:35,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,237 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:36,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:38:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 20:38:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:38:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 20:38:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-04 20:38:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 20:38:36,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963687577] [2020-09-04 20:38:36,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:36,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-04 20:38:36,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529932361] [2020-09-04 20:38:36,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-04 20:38:36,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:36,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-04 20:38:36,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2020-09-04 20:38:36,866 INFO L87 Difference]: Start difference. First operand 2223 states and 2527 transitions. Second operand 22 states. [2020-09-04 20:38:37,512 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:37,969 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:38,309 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 20:38:38,653 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:38,995 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:39,318 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:40,544 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:41,581 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:41,976 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:42,505 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:42,912 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:45,137 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:45,640 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:45,980 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:46,325 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:46,666 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:47,120 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:47,459 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:47,837 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:48,513 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 20:38:49,250 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 20:38:49,924 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 20:38:54,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:54,730 INFO L93 Difference]: Finished difference Result 5241 states and 6377 transitions. [2020-09-04 20:38:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-09-04 20:38:54,731 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 227 [2020-09-04 20:38:54,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:54,749 INFO L225 Difference]: With dead ends: 5241 [2020-09-04 20:38:54,750 INFO L226 Difference]: Without dead ends: 3133 [2020-09-04 20:38:54,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1967 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1223, Invalid=5419, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 20:38:54,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2020-09-04 20:38:55,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 2179. [2020-09-04 20:38:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2179 states. [2020-09-04 20:38:55,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 2467 transitions. [2020-09-04 20:38:55,388 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 2467 transitions. Word has length 227 [2020-09-04 20:38:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:55,389 INFO L479 AbstractCegarLoop]: Abstraction has 2179 states and 2467 transitions. [2020-09-04 20:38:55,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-04 20:38:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2467 transitions. [2020-09-04 20:38:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-04 20:38:55,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:55,395 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:55,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:38:55,396 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:55,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:55,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1718347115, now seen corresponding path program 1 times [2020-09-04 20:38:55,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:55,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209430117] [2020-09-04 20:38:55,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,764 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:38:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 20:38:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-04 20:38:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-04 20:38:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-04 20:38:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 20:38:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-04 20:38:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:55,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-04 20:38:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 20:38:56,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209430117] [2020-09-04 20:38:56,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:56,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 20:38:56,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341056270] [2020-09-04 20:38:56,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:38:56,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:56,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:38:56,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:38:56,052 INFO L87 Difference]: Start difference. First operand 2179 states and 2467 transitions. Second operand 10 states. [2020-09-04 20:38:56,601 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:01,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:39:01,311 INFO L93 Difference]: Finished difference Result 4877 states and 6169 transitions. [2020-09-04 20:39:01,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 20:39:01,311 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2020-09-04 20:39:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:39:01,339 INFO L225 Difference]: With dead ends: 4877 [2020-09-04 20:39:01,340 INFO L226 Difference]: Without dead ends: 4874 [2020-09-04 20:39:01,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=350, Invalid=1210, Unknown=0, NotChecked=0, Total=1560 [2020-09-04 20:39:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4874 states. [2020-09-04 20:39:02,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4874 to 3308. [2020-09-04 20:39:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3308 states. [2020-09-04 20:39:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 3308 states and 3768 transitions. [2020-09-04 20:39:02,586 INFO L78 Accepts]: Start accepts. Automaton has 3308 states and 3768 transitions. Word has length 279 [2020-09-04 20:39:02,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:39:02,587 INFO L479 AbstractCegarLoop]: Abstraction has 3308 states and 3768 transitions. [2020-09-04 20:39:02,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:39:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 3768 transitions. [2020-09-04 20:39:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-09-04 20:39:02,599 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:39:02,599 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:39:02,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 20:39:02,600 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:39:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:39:02,600 INFO L82 PathProgramCache]: Analyzing trace with hash -543176305, now seen corresponding path program 1 times [2020-09-04 20:39:02,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:39:02,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840466939] [2020-09-04 20:39:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:39:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:02,982 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:39:02,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:39:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:39:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:39:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:39:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:39:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:39:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:39:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:39:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:39:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:39:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:39:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:39:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:39:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:39:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 20:39:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-04 20:39:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-04 20:39:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-04 20:39:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:39:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-04 20:39:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-04 20:39:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:39:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-04 20:39:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-04 20:39:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-09-04 20:39:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 20:39:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 20:39:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 20:39:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 55 proven. 23 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-09-04 20:39:03,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840466939] [2020-09-04 20:39:03,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:39:03,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-04 20:39:03,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443107401] [2020-09-04 20:39:03,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 20:39:03,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:39:03,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 20:39:03,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-09-04 20:39:03,423 INFO L87 Difference]: Start difference. First operand 3308 states and 3768 transitions. Second operand 14 states. [2020-09-04 20:39:04,028 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:04,770 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:05,728 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:39:08,272 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:11,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:39:11,450 INFO L93 Difference]: Finished difference Result 7533 states and 9281 transitions. [2020-09-04 20:39:11,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 20:39:11,451 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 346 [2020-09-04 20:39:11,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:39:11,475 INFO L225 Difference]: With dead ends: 7533 [2020-09-04 20:39:11,475 INFO L226 Difference]: Without dead ends: 4813 [2020-09-04 20:39:11,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=708, Invalid=2714, Unknown=0, NotChecked=0, Total=3422 [2020-09-04 20:39:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2020-09-04 20:39:12,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 3570. [2020-09-04 20:39:12,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3570 states. [2020-09-04 20:39:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 4034 transitions. [2020-09-04 20:39:12,625 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 4034 transitions. Word has length 346 [2020-09-04 20:39:12,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:39:12,625 INFO L479 AbstractCegarLoop]: Abstraction has 3570 states and 4034 transitions. [2020-09-04 20:39:12,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 20:39:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 4034 transitions. [2020-09-04 20:39:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-09-04 20:39:12,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:39:12,636 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:39:12,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 20:39:12,636 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:39:12,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:39:12,637 INFO L82 PathProgramCache]: Analyzing trace with hash -167648452, now seen corresponding path program 1 times [2020-09-04 20:39:12,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:39:12,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391946173] [2020-09-04 20:39:12,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:39:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,000 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:39:13,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:39:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:39:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:39:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:39:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:39:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:39:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:39:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:39:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:39:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:39:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:39:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:39:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:39:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:39:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 20:39:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-04 20:39:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-04 20:39:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-04 20:39:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:39:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-04 20:39:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-04 20:39:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:39:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-04 20:39:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 20:39:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-09-04 20:39:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:39:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-09-04 20:39:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 20:39:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:39:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 60 proven. 28 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-09-04 20:39:13,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391946173] [2020-09-04 20:39:13,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:39:13,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-04 20:39:13,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523007413] [2020-09-04 20:39:13,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 20:39:13,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:39:13,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 20:39:13,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-09-04 20:39:13,336 INFO L87 Difference]: Start difference. First operand 3570 states and 4034 transitions. Second operand 13 states. [2020-09-04 20:39:13,984 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:14,771 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:20,174 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:22,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:39:22,809 INFO L93 Difference]: Finished difference Result 11235 states and 13633 transitions. [2020-09-04 20:39:22,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 20:39:22,809 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 341 [2020-09-04 20:39:22,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:39:22,847 INFO L225 Difference]: With dead ends: 11235 [2020-09-04 20:39:22,847 INFO L226 Difference]: Without dead ends: 8253 [2020-09-04 20:39:22,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 101 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=748, Invalid=3034, Unknown=0, NotChecked=0, Total=3782 [2020-09-04 20:39:22,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2020-09-04 20:39:24,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 5755. [2020-09-04 20:39:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5755 states. [2020-09-04 20:39:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5755 states to 5755 states and 6417 transitions. [2020-09-04 20:39:24,628 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 6417 transitions. Word has length 341 [2020-09-04 20:39:24,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:39:24,629 INFO L479 AbstractCegarLoop]: Abstraction has 5755 states and 6417 transitions. [2020-09-04 20:39:24,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 20:39:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 6417 transitions. [2020-09-04 20:39:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-09-04 20:39:24,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:39:24,638 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:39:24,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 20:39:24,639 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:39:24,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:39:24,639 INFO L82 PathProgramCache]: Analyzing trace with hash -38245165, now seen corresponding path program 1 times [2020-09-04 20:39:24,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:39:24,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747476638] [2020-09-04 20:39:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:39:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:39:24,742 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:39:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:39:24,841 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:39:25,131 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:39:25,131 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:39:25,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 20:39:25,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:39:25 BoogieIcfgContainer [2020-09-04 20:39:25,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:39:25,427 INFO L168 Benchmark]: Toolchain (without parser) took 101074.75 ms. Allocated memory was 139.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 102.6 MB in the beginning and 158.5 MB in the end (delta: -56.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-09-04 20:39:25,427 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 20:39:25,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.65 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 171.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2020-09-04 20:39:25,429 INFO L168 Benchmark]: Boogie Preprocessor took 95.34 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-04 20:39:25,429 INFO L168 Benchmark]: RCFGBuilder took 1207.59 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 166.7 MB in the beginning and 175.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-09-04 20:39:25,430 INFO L168 Benchmark]: TraceAbstraction took 99014.75 ms. Allocated memory was 238.0 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 175.6 MB in the beginning and 158.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-09-04 20:39:25,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.65 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 171.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.34 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1207.59 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 166.7 MB in the beginning and 175.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 99014.75 ms. Allocated memory was 238.0 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 175.6 MB in the beginning and 158.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L132] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=177, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=173, head={177:164}, methAndRunningLastTime=167, methaneLevelCritical=145, pumpRunning=0, systemActive=135, waterLevel=141] [L133] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=164, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=173, head={177:164}, methAndRunningLastTime=167, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=141] [L364] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=177, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={177:164}, methAndRunningLastTime=167, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=141] [L462] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=164, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={177:164}, methAndRunningLastTime=0, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=141] [L502] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=177, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={177:164}, methAndRunningLastTime=0, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L503] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=164, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={177:164}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L765] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=164, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L439] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L440] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L444] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L355] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L358] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L359] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L446] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L446] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L448] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L450] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L451] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L56] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L58] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L59] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L60] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L75] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L85] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L95] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L97] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L284] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L285] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L286] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L585] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L590] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L290] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L292] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L295] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L297] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L298] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L174] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L176] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L178] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L203] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L228] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L541] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L544] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L232] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] retValue_acc = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L234] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L207] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] tmp = isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L209] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L213] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L213] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L178] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L472] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L544] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L479] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L495] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L155] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L112] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L73] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L75] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L85] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L87] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L532] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L535] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L87] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L95] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L97] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L321] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L97] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L140] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L142] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L472] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L541] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L544] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L479] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L481] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L239] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L242] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L243] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L481] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L481] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L484] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L489] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L155] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L112] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L75] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L83] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L85] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L93] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L95] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L97] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L321] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L97] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L140] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L508] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L142] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L472] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L541] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L544] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L479] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L481] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L239] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L242] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L243] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L481] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L481] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L484] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L486] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L44] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 634 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 98.6s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 81.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3317 SDtfs, 14436 SDslu, 8657 SDs, 0 SdLazy, 20310 SolverSat, 5798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 976 GetRequests, 550 SyntacticMatches, 12 SemanticMatches, 414 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5854 ImplicationChecksByTransitivity, 31.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5755occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 9181 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 2999 NumberOfCodeBlocks, 2999 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2645 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 326/382 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...