/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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:16:56,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:16:56,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:16:56,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:16:56,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:16:56,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:16:56,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:16:56,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:16:57,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:16:57,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:16:57,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:16:57,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:16:57,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:16:57,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:16:57,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:16:57,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:16:57,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:16:57,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:16:57,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:16:57,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:16:57,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:16:57,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:16:57,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:16:57,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:16:57,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:16:57,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:16:57,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:16:57,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:16:57,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:16:57,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:16:57,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:16:57,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:16:57,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:16:57,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:16:57,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:16:57,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:16:57,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:16:57,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:16:57,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:16:57,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:16:57,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:16:57,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:16:57,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:16:57,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:16:57,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:16:57,065 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:16:57,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:16:57,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:16:57,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:16:57,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:16:57,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:16:57,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:16:57,067 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:16:57,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:16:57,068 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:16:57,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:16:57,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:16:57,069 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:16:57,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:16:57,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:16:57,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:16:57,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:16:57,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:16:57,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:16:57,070 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 21:16:57,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:16:57,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:16:57,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:16:57,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:16:57,430 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:16:57,430 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-08-22 21:16:57,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a56faaa/58eddb832d4d4564ae578b252811745a/FLAGd1a40e764 [2020-08-22 21:16:57,985 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:16:57,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-08-22 21:16:57,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a56faaa/58eddb832d4d4564ae578b252811745a/FLAGd1a40e764 [2020-08-22 21:16:58,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a56faaa/58eddb832d4d4564ae578b252811745a [2020-08-22 21:16:58,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:16:58,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:16:58,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:16:58,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:16:58,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:16:58,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:16:58" (1/1) ... [2020-08-22 21:16:58,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129d3bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:58, skipping insertion in model container [2020-08-22 21:16:58,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:16:58" (1/1) ... [2020-08-22 21:16:58,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:16:58,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:16:58,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:16:58,913 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:16:59,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:16:59,098 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:16:59,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59 WrapperNode [2020-08-22 21:16:59,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:16:59,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:16:59,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:16:59,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:16:59,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... [2020-08-22 21:16:59,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... [2020-08-22 21:16:59,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... [2020-08-22 21:16:59,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... [2020-08-22 21:16:59,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... [2020-08-22 21:16:59,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... [2020-08-22 21:16:59,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... [2020-08-22 21:16:59,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:16:59,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:16:59,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:16:59,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:16:59,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:16:59,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:16:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:16:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:16:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:16:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:16:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:16:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:16:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:16:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:16:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:16:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:16:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:16:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:16:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:16:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:16:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:16:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 21:16:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 21:16:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:16:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:16:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:16:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:16:59,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:16:59,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:16:59,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:16:59,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:16:59,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:16:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:16:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:16:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:16:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:16:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:16:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:16:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:16:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:16:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:16:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:16:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:16:59,266 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:16:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:16:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:16:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:16:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:16:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:16:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:16:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:16:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:16:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:16:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:16:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 21:16:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:16:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:16:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:16:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:16:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:16:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:16:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:16:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:16:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:16:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:16:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:16:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:16:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:16:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:16:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 21:16:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:16:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:16:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:16:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:16:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:16:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:16:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:16:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:16:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:16:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:16:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:16:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:16:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:16:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:16:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:16:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:16:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:16:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:16:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:16:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:16:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:16:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:16:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:16:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:16:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:16:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:16:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:17:00,350 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:17:00,351 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:17:00,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:17:00 BoogieIcfgContainer [2020-08-22 21:17:00,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:17:00,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:17:00,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:17:00,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:17:00,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:16:58" (1/3) ... [2020-08-22 21:17:00,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733a117f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:17:00, skipping insertion in model container [2020-08-22 21:17:00,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:16:59" (2/3) ... [2020-08-22 21:17:00,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733a117f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:17:00, skipping insertion in model container [2020-08-22 21:17:00,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:17:00" (3/3) ... [2020-08-22 21:17:00,365 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-08-22 21:17:00,375 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:17:00,384 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:17:00,398 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:17:00,422 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:17:00,423 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:17:00,423 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:17:00,423 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:17:00,423 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:17:00,423 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:17:00,424 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:17:00,424 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:17:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states. [2020-08-22 21:17:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-08-22 21:17:00,469 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:00,471 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] [2020-08-22 21:17:00,471 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:00,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:00,478 INFO L82 PathProgramCache]: Analyzing trace with hash 2110285638, now seen corresponding path program 1 times [2020-08-22 21:17:00,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:00,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589153183] [2020-08-22 21:17:00,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,217 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:01,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 21:17:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:01,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589153183] [2020-08-22 21:17:01,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:01,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:17:01,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695514676] [2020-08-22 21:17:01,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:17:01,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:01,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:17:01,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:17:01,437 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 4 states. [2020-08-22 21:17:02,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:02,580 INFO L93 Difference]: Finished difference Result 442 states and 524 transitions. [2020-08-22 21:17:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 21:17:02,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-08-22 21:17:02,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:02,599 INFO L225 Difference]: With dead ends: 442 [2020-08-22 21:17:02,599 INFO L226 Difference]: Without dead ends: 287 [2020-08-22 21:17:02,604 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 [2020-08-22 21:17:02,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-08-22 21:17:02,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 240. [2020-08-22 21:17:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-08-22 21:17:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 259 transitions. [2020-08-22 21:17:02,737 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 259 transitions. Word has length 148 [2020-08-22 21:17:02,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:02,738 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 259 transitions. [2020-08-22 21:17:02,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:17:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2020-08-22 21:17:02,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-22 21:17:02,743 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:02,743 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] [2020-08-22 21:17:02,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:17:02,744 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:02,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:02,744 INFO L82 PathProgramCache]: Analyzing trace with hash 16536712, now seen corresponding path program 1 times [2020-08-22 21:17:02,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:02,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088563910] [2020-08-22 21:17:02,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,141 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:03,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-22 21:17:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:17:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:03,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088563910] [2020-08-22 21:17:03,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:03,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:17:03,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548219309] [2020-08-22 21:17:03,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:17:03,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:03,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:17:03,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:17:03,256 INFO L87 Difference]: Start difference. First operand 240 states and 259 transitions. Second operand 5 states. [2020-08-22 21:17:03,854 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:04,741 INFO L93 Difference]: Finished difference Result 367 states and 415 transitions. [2020-08-22 21:17:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 21:17:04,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-08-22 21:17:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:04,747 INFO L225 Difference]: With dead ends: 367 [2020-08-22 21:17:04,747 INFO L226 Difference]: Without dead ends: 276 [2020-08-22 21:17:04,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:17:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-08-22 21:17:04,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 230. [2020-08-22 21:17:04,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-08-22 21:17:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions. [2020-08-22 21:17:04,856 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 149 [2020-08-22 21:17:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:04,859 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions. [2020-08-22 21:17:04,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:17:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2020-08-22 21:17:04,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-08-22 21:17:04,866 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:04,867 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] [2020-08-22 21:17:04,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:17:04,867 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:04,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:04,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1541802730, now seen corresponding path program 1 times [2020-08-22 21:17:04,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:04,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530629644] [2020-08-22 21:17:04,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,255 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:05,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:17:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:17:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-08-22 21:17:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:05,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530629644] [2020-08-22 21:17:05,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:05,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:17:05,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053320459] [2020-08-22 21:17:05,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:17:05,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:05,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:17:05,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:17:05,462 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 11 states. [2020-08-22 21:17:06,230 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:06,694 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:06,991 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:17:07,244 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:07,537 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:07,827 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:09,324 INFO L93 Difference]: Finished difference Result 414 states and 480 transitions. [2020-08-22 21:17:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:17:09,325 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 162 [2020-08-22 21:17:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:09,330 INFO L225 Difference]: With dead ends: 414 [2020-08-22 21:17:09,330 INFO L226 Difference]: Without dead ends: 299 [2020-08-22 21:17:09,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:17:09,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-08-22 21:17:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2020-08-22 21:17:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-08-22 21:17:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 245 transitions. [2020-08-22 21:17:09,403 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 245 transitions. Word has length 162 [2020-08-22 21:17:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:09,404 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 245 transitions. [2020-08-22 21:17:09,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:17:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 245 transitions. [2020-08-22 21:17:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-08-22 21:17:09,406 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:09,406 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] [2020-08-22 21:17:09,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:17:09,407 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:09,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1425032231, now seen corresponding path program 1 times [2020-08-22 21:17:09,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:09,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740409521] [2020-08-22 21:17:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,755 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:09,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:17:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:17:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 21:17:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 21:17:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:10,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740409521] [2020-08-22 21:17:10,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:10,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:17:10,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073400830] [2020-08-22 21:17:10,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:17:10,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:10,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:17:10,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:17:10,038 INFO L87 Difference]: Start difference. First operand 230 states and 245 transitions. Second operand 8 states. [2020-08-22 21:17:10,550 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:12,229 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:12,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:12,904 INFO L93 Difference]: Finished difference Result 593 states and 710 transitions. [2020-08-22 21:17:12,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 21:17:12,904 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-08-22 21:17:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:12,912 INFO L225 Difference]: With dead ends: 593 [2020-08-22 21:17:12,913 INFO L226 Difference]: Without dead ends: 478 [2020-08-22 21:17:12,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:17:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-08-22 21:17:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 337. [2020-08-22 21:17:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-08-22 21:17:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 364 transitions. [2020-08-22 21:17:13,058 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 364 transitions. Word has length 170 [2020-08-22 21:17:13,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:13,059 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 364 transitions. [2020-08-22 21:17:13,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:17:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 364 transitions. [2020-08-22 21:17:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-22 21:17:13,062 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:13,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:17:13,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:17:13,063 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1572233247, now seen corresponding path program 1 times [2020-08-22 21:17:13,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:13,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941668085] [2020-08-22 21:17:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,362 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:17:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:17:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-08-22 21:17:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-08-22 21:17:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:13,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941668085] [2020-08-22 21:17:13,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:13,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:17:13,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220284227] [2020-08-22 21:17:13,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:17:13,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:13,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:17:13,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:17:13,513 INFO L87 Difference]: Start difference. First operand 337 states and 364 transitions. Second operand 11 states. [2020-08-22 21:17:14,048 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:15,502 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:15,739 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:15,992 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:16,265 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:16,512 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:16,747 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:16,973 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:17,309 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:18,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:18,596 INFO L93 Difference]: Finished difference Result 984 states and 1211 transitions. [2020-08-22 21:17:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 21:17:18,597 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2020-08-22 21:17:18,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:18,603 INFO L225 Difference]: With dead ends: 984 [2020-08-22 21:17:18,603 INFO L226 Difference]: Without dead ends: 762 [2020-08-22 21:17:18,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-08-22 21:17:18,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-08-22 21:17:18,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 513. [2020-08-22 21:17:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-08-22 21:17:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 559 transitions. [2020-08-22 21:17:18,769 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 559 transitions. Word has length 194 [2020-08-22 21:17:18,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:18,770 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 559 transitions. [2020-08-22 21:17:18,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:17:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 559 transitions. [2020-08-22 21:17:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-08-22 21:17:18,773 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:18,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:17:18,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:17:18,774 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:18,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:18,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1795239893, now seen corresponding path program 1 times [2020-08-22 21:17:18,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:18,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063864291] [2020-08-22 21:17:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,081 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:17:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:17:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-08-22 21:17:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-22 21:17:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:19,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063864291] [2020-08-22 21:17:19,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:19,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 21:17:19,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212777102] [2020-08-22 21:17:19,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 21:17:19,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:19,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 21:17:19,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-22 21:17:19,362 INFO L87 Difference]: Start difference. First operand 513 states and 559 transitions. Second operand 12 states. [2020-08-22 21:17:19,885 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:21,423 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:21,661 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:21,897 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:22,129 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:22,467 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:22,749 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:22,998 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:23,253 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:24,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:24,981 INFO L93 Difference]: Finished difference Result 1290 states and 1569 transitions. [2020-08-22 21:17:24,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 21:17:24,982 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 199 [2020-08-22 21:17:24,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:24,989 INFO L225 Difference]: With dead ends: 1290 [2020-08-22 21:17:24,989 INFO L226 Difference]: Without dead ends: 892 [2020-08-22 21:17:24,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=434, Invalid=1206, Unknown=0, NotChecked=0, Total=1640 [2020-08-22 21:17:24,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-08-22 21:17:25,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 511. [2020-08-22 21:17:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-08-22 21:17:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 555 transitions. [2020-08-22 21:17:25,238 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 555 transitions. Word has length 199 [2020-08-22 21:17:25,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:25,239 INFO L479 AbstractCegarLoop]: Abstraction has 511 states and 555 transitions. [2020-08-22 21:17:25,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 21:17:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 555 transitions. [2020-08-22 21:17:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-08-22 21:17:25,242 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:25,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:17:25,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:17:25,243 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:25,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:25,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1512917738, now seen corresponding path program 1 times [2020-08-22 21:17:25,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:25,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590936689] [2020-08-22 21:17:25,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,533 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:25,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:17:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:17:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:17:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 21:17:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:25,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590936689] [2020-08-22 21:17:25,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:25,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 21:17:25,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528034939] [2020-08-22 21:17:25,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 21:17:25,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:25,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 21:17:25,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-22 21:17:25,748 INFO L87 Difference]: Start difference. First operand 511 states and 555 transitions. Second operand 12 states. [2020-08-22 21:17:27,056 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:27,290 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:17:27,548 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:17:27,821 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:28,102 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:28,335 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:29,805 INFO L93 Difference]: Finished difference Result 1298 states and 1591 transitions. [2020-08-22 21:17:29,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 21:17:29,806 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2020-08-22 21:17:29,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:29,812 INFO L225 Difference]: With dead ends: 1298 [2020-08-22 21:17:29,813 INFO L226 Difference]: Without dead ends: 902 [2020-08-22 21:17:29,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-08-22 21:17:29,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-08-22 21:17:30,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 527. [2020-08-22 21:17:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-08-22 21:17:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 571 transitions. [2020-08-22 21:17:30,061 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 571 transitions. Word has length 200 [2020-08-22 21:17:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:30,062 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 571 transitions. [2020-08-22 21:17:30,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 21:17:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 571 transitions. [2020-08-22 21:17:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-08-22 21:17:30,066 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:30,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:17:30,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:17:30,067 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:30,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1642255734, now seen corresponding path program 1 times [2020-08-22 21:17:30,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:30,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139323698] [2020-08-22 21:17:30,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,395 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:30,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:17:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:17:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:17:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 21:17:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:30,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139323698] [2020-08-22 21:17:30,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:30,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 21:17:30,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192707971] [2020-08-22 21:17:30,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:17:30,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:30,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:17:30,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:17:30,638 INFO L87 Difference]: Start difference. First operand 527 states and 571 transitions. Second operand 15 states. [2020-08-22 21:17:31,214 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:31,456 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:17:31,699 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:31,927 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:32,179 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:33,046 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:33,283 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:33,533 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:33,786 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:34,012 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:35,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:35,706 INFO L93 Difference]: Finished difference Result 1336 states and 1656 transitions. [2020-08-22 21:17:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 21:17:35,710 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 200 [2020-08-22 21:17:35,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:35,716 INFO L225 Difference]: With dead ends: 1336 [2020-08-22 21:17:35,716 INFO L226 Difference]: Without dead ends: 924 [2020-08-22 21:17:35,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-08-22 21:17:35,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-22 21:17:35,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 539. [2020-08-22 21:17:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-08-22 21:17:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 583 transitions. [2020-08-22 21:17:35,966 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 583 transitions. Word has length 200 [2020-08-22 21:17:35,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:35,966 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 583 transitions. [2020-08-22 21:17:35,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:17:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 583 transitions. [2020-08-22 21:17:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-08-22 21:17:35,971 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:35,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:17:35,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:17:35,972 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:35,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:35,973 INFO L82 PathProgramCache]: Analyzing trace with hash -488866957, now seen corresponding path program 1 times [2020-08-22 21:17:35,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:35,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303974009] [2020-08-22 21:17:35,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,240 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:36,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:17:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:17:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:17:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 21:17:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:36,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303974009] [2020-08-22 21:17:36,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:36,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 21:17:36,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504952746] [2020-08-22 21:17:36,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:17:36,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:36,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:17:36,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:17:36,452 INFO L87 Difference]: Start difference. First operand 539 states and 583 transitions. Second operand 9 states. [2020-08-22 21:17:37,008 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:37,544 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:40,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:40,857 INFO L93 Difference]: Finished difference Result 2025 states and 2572 transitions. [2020-08-22 21:17:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 21:17:40,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 200 [2020-08-22 21:17:40,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:40,868 INFO L225 Difference]: With dead ends: 2025 [2020-08-22 21:17:40,868 INFO L226 Difference]: Without dead ends: 1601 [2020-08-22 21:17:40,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=290, Invalid=1042, Unknown=0, NotChecked=0, Total=1332 [2020-08-22 21:17:40,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2020-08-22 21:17:41,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 957. [2020-08-22 21:17:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2020-08-22 21:17:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1063 transitions. [2020-08-22 21:17:41,254 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1063 transitions. Word has length 200 [2020-08-22 21:17:41,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:41,254 INFO L479 AbstractCegarLoop]: Abstraction has 957 states and 1063 transitions. [2020-08-22 21:17:41,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:17:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1063 transitions. [2020-08-22 21:17:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-08-22 21:17:41,258 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:41,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:17:41,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:17:41,258 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:41,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:41,259 INFO L82 PathProgramCache]: Analyzing trace with hash -390526145, now seen corresponding path program 1 times [2020-08-22 21:17:41,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:41,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699173634] [2020-08-22 21:17:41,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,510 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:17:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:17:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:17:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 21:17:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-08-22 21:17:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-08-22 21:17:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:41,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699173634] [2020-08-22 21:17:41,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:41,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 21:17:41,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412089421] [2020-08-22 21:17:41,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:17:41,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:41,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:17:41,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:17:41,653 INFO L87 Difference]: Start difference. First operand 957 states and 1063 transitions. Second operand 9 states. [2020-08-22 21:17:42,124 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:45,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:45,323 INFO L93 Difference]: Finished difference Result 2467 states and 3159 transitions. [2020-08-22 21:17:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-08-22 21:17:45,324 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-08-22 21:17:45,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:45,339 INFO L225 Difference]: With dead ends: 2467 [2020-08-22 21:17:45,339 INFO L226 Difference]: Without dead ends: 2464 [2020-08-22 21:17:45,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=963, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 21:17:45,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2020-08-22 21:17:46,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1476. [2020-08-22 21:17:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2020-08-22 21:17:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1655 transitions. [2020-08-22 21:17:46,099 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1655 transitions. Word has length 205 [2020-08-22 21:17:46,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:46,102 INFO L479 AbstractCegarLoop]: Abstraction has 1476 states and 1655 transitions. [2020-08-22 21:17:46,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:17:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1655 transitions. [2020-08-22 21:17:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-08-22 21:17:46,113 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:46,115 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:17:46,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:17:46,115 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:46,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:46,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1476221887, now seen corresponding path program 1 times [2020-08-22 21:17:46,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:46,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297208230] [2020-08-22 21:17:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:17:46,244 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:17:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:17:46,343 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:17:46,789 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:17:46,789 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:17:46,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:17:47,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:17:47 BoogieIcfgContainer [2020-08-22 21:17:47,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:17:47,191 INFO L168 Benchmark]: Toolchain (without parser) took 48828.76 ms. Allocated memory was 146.3 MB in the beginning and 925.9 MB in the end (delta: 779.6 MB). Free memory was 102.0 MB in the beginning and 727.4 MB in the end (delta: -625.4 MB). Peak memory consumption was 795.7 MB. Max. memory is 7.1 GB. [2020-08-22 21:17:47,191 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 21:17:47,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.00 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 169.8 MB in the end (delta: -68.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:17:47,192 INFO L168 Benchmark]: Boogie Preprocessor took 86.96 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:17:47,193 INFO L168 Benchmark]: RCFGBuilder took 1170.80 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 174.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:17:47,194 INFO L168 Benchmark]: TraceAbstraction took 46830.72 ms. Allocated memory was 237.0 MB in the beginning and 925.9 MB in the end (delta: 688.9 MB). Free memory was 174.4 MB in the beginning and 727.4 MB in the end (delta: -552.9 MB). Peak memory consumption was 777.4 MB. Max. memory is 7.1 GB. [2020-08-22 21:17:47,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.00 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 169.8 MB in the end (delta: -68.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.96 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.80 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 174.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46830.72 ms. Allocated memory was 237.0 MB in the beginning and 925.9 MB in the end (delta: 688.9 MB). Free memory was 174.4 MB in the beginning and 727.4 MB in the end (delta: -552.9 MB). Peak memory consumption was 777.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=144, pumpRunning=134, systemActive=133, waterLevel=140] [L151] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=144, pumpRunning=134, systemActive=133, waterLevel=1] [L152] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L255] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L765] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=133, waterLevel=1] [L766] int systemActive = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] 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] [L124] 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] [L128] 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] [L129] 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] [L130] 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] [L320] 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] [L323] 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] [L324] 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] [L130] 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] [L130] 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] [L132] 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] [L134] 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] [L135] 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] [L113] 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] [L260] 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] [L113] 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] [L114] 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] [L697] 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] [L698] 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] [L699] 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] [L700] 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] [L701] 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] [L704] 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] [L706] 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] [L708] 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] [L714] 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] [L716] 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] [L718] 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] [L169] 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] [L170] 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] [L718] 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] [L724] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L726] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L728] 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=0, systemActive=1, waterLevel=2] [L181] 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=0, systemActive=1, waterLevel=2] [L184] 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=0, systemActive=1, waterLevel=2] [L728] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L734] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L736] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L738] 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=0, systemActive=1, waterLevel=2] [L920] 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=0, systemActive=1, waterLevel=2] [L738] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L751] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L801] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L898] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L899] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L900] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L234] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L238] 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=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L239] 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=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L904] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] 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=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L906] 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=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L909] 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=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L911] 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=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L912] 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=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L806] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] 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=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L808] 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=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L810] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L810] 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=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L781] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L787] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L266] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L193] 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L194] 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L270] 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()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L272] 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=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L853] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L856] retValue_acc = 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L857] 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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=2] [L276] COND TRUE \read(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=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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=2] [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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=2] [L787] 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=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] 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=1, tmp___0=1, tmp___2=1, waterLevel=2] [L706] 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=1, tmp___0=1, tmp___2=1, waterLevel=2] [L708] 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=1, tmp___0=1, tmp___2=1, waterLevel=2] [L714] 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=2] [L716] 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=2] [L724] 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=2] [L726] 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=2] [L734] 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=2] [L736] 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=2] [L738] 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=2] [L920] 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=2] [L738] 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=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \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=2] [L772] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \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=2] [L774] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \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=2] [L157] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \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=2] [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \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] [L774] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \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] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \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] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \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] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \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] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \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] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \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] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \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] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \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] [L265] int tmp ; VAL [\old(methAndRunningLastTime)=1, \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] [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \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] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \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] [L190] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \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] [L193] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \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, waterLevel=1] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \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] [L853] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \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] [L856] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \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] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \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] [L279] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \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] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 619 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 46.3s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 37.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2275 SDtfs, 8327 SDslu, 4946 SDs, 0 SdLazy, 9724 SolverSat, 2327 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1726 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1476occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 3325 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2095 NumberOfCodeBlocks, 2095 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 816257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...