/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:50:42,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:50:42,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:50:42,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:50:42,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:50:42,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:50:42,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:50:42,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:50:42,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:50:42,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:50:42,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:50:42,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:50:42,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:50:42,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:50:42,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:50:42,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:50:42,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:50:42,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:50:42,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:50:42,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:50:42,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:50:42,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:50:42,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:50:42,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:50:42,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:50:42,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:50:42,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:50:42,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:50:42,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:50:42,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:50:42,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:50:42,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:50:42,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:50:42,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:50:42,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:50:42,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:50:42,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:50:42,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:50:42,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:50:42,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:50:42,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:50:42,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:50:42,417 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:50:42,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:50:42,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:50:42,422 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:50:42,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:50:42,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:50:42,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:50:42,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:50:42,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:50:42,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:50:42,424 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:50:42,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:50:42,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:50:42,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:50:42,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:50:42,425 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:50:42,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:50:42,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:50:42,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:50:42,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:50:42,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:50:42,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:50:42,426 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:50:42,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:50:42,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:50:42,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:50:42,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:50:42,894 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:50:42,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-10-23 23:50:42,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d545411/2ccba6beec934bd99f0ba7ce9aac0f87/FLAGe133b2bbd [2020-10-23 23:50:43,750 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:50:43,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-10-23 23:50:43,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d545411/2ccba6beec934bd99f0ba7ce9aac0f87/FLAGe133b2bbd [2020-10-23 23:50:44,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d545411/2ccba6beec934bd99f0ba7ce9aac0f87 [2020-10-23 23:50:44,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:50:44,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:50:44,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:50:44,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:50:44,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:50:44,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4a0fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44, skipping insertion in model container [2020-10-23 23:50:44,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:50:44,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:50:44,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:50:44,445 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:50:44,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:50:44,589 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:50:44,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44 WrapperNode [2020-10-23 23:50:44,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:50:44,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:50:44,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:50:44,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:50:44,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (1/1) ... [2020-10-23 23:50:44,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:50:44,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:50:44,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:50:44,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:50:44,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (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 [2020-10-23 23:50:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:50:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:50:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:50:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:50:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:50:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:50:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:50:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:50:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:50:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:50:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 23:50:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:50:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:50:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:50:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:50:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:50:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:50:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:50:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:50:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:50:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:50:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:50:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:50:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:50:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:50:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:50:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-23 23:50:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-23 23:50:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:50:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:50:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:50:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:50:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-23 23:50:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:50:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:50:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:50:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:50:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:50:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 23:50:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 23:50:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:50:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:50:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:50:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:50:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:50:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:50:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 23:50:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:50:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:50:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:50:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:50:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:50:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:50:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-23 23:50:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:50:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:50:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:50:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:50:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:50:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:50:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:50:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:50:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:50:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-23 23:50:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 23:50:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:50:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:50:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:50:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:50:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 23:50:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-23 23:50:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:50:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:50:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:50:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:50:46,136 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:50:46,136 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:50:46,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:50:46 BoogieIcfgContainer [2020-10-23 23:50:46,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:50:46,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:50:46,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:50:46,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:50:46,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:50:44" (1/3) ... [2020-10-23 23:50:46,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619cbc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:50:46, skipping insertion in model container [2020-10-23 23:50:46,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:50:44" (2/3) ... [2020-10-23 23:50:46,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619cbc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:50:46, skipping insertion in model container [2020-10-23 23:50:46,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:50:46" (3/3) ... [2020-10-23 23:50:46,149 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-10-23 23:50:46,161 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:50:46,166 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:50:46,181 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:50:46,204 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:50:46,205 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:50:46,205 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:50:46,205 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:50:46,205 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:50:46,205 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:50:46,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:50:46,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:50:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states. [2020-10-23 23:50:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-23 23:50:46,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:50:46,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:50:46,292 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:50:46,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:50:46,299 INFO L82 PathProgramCache]: Analyzing trace with hash -841221585, now seen corresponding path program 1 times [2020-10-23 23:50:46,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:50:46,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328702352] [2020-10-23 23:50:46,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:50:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,127 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:50:47,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:50:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:50:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:50:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:50:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:50:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:50:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:50:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:50:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:50:47,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328702352] [2020-10-23 23:50:47,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:50:47,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:50:47,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820770357] [2020-10-23 23:50:47,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:50:47,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:50:47,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:50:47,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:50:47,363 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 4 states. [2020-10-23 23:50:48,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:50:48,970 INFO L93 Difference]: Finished difference Result 499 states and 588 transitions. [2020-10-23 23:50:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 23:50:48,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-10-23 23:50:48,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:50:48,992 INFO L225 Difference]: With dead ends: 499 [2020-10-23 23:50:48,992 INFO L226 Difference]: Without dead ends: 318 [2020-10-23 23:50:48,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:50:49,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-23 23:50:49,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 268. [2020-10-23 23:50:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-23 23:50:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-10-23 23:50:49,187 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 154 [2020-10-23 23:50:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:50:49,189 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-10-23 23:50:49,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:50:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-10-23 23:50:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-23 23:50:49,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:50:49,201 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] [2020-10-23 23:50:49,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:50:49,202 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:50:49,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:50:49,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1715769147, now seen corresponding path program 1 times [2020-10-23 23:50:49,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:50:49,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626128423] [2020-10-23 23:50:49,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:50:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,736 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:50:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:50:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:50:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:50:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:50:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:50:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:50:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-23 23:50:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:50:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:50:49,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626128423] [2020-10-23 23:50:49,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:50:49,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 23:50:49,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146491156] [2020-10-23 23:50:49,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 23:50:49,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:50:49,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 23:50:49,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:50:49,898 INFO L87 Difference]: Start difference. First operand 268 states and 290 transitions. Second operand 5 states. [2020-10-23 23:50:50,781 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:50:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:50:52,057 INFO L93 Difference]: Finished difference Result 416 states and 469 transitions. [2020-10-23 23:50:52,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 23:50:52,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-23 23:50:52,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:50:52,065 INFO L225 Difference]: With dead ends: 416 [2020-10-23 23:50:52,065 INFO L226 Difference]: Without dead ends: 307 [2020-10-23 23:50:52,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 23:50:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-23 23:50:52,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 258. [2020-10-23 23:50:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-23 23:50:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 277 transitions. [2020-10-23 23:50:52,153 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 277 transitions. Word has length 155 [2020-10-23 23:50:52,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:50:52,154 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 277 transitions. [2020-10-23 23:50:52,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 23:50:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 277 transitions. [2020-10-23 23:50:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-23 23:50:52,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:50:52,156 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] [2020-10-23 23:50:52,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:50:52,157 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:50:52,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:50:52,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1013296111, now seen corresponding path program 1 times [2020-10-23 23:50:52,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:50:52,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254492355] [2020-10-23 23:50:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:50:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:52,840 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:50:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:50:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:52,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:50:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:52,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:50:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:52,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:50:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:53,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:50:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:50:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:50:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:53,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-23 23:50:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:50:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:50:53,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254492355] [2020-10-23 23:50:53,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:50:53,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:50:53,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989330937] [2020-10-23 23:50:53,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:50:53,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:50:53,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:50:53,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:50:53,079 INFO L87 Difference]: Start difference. First operand 258 states and 277 transitions. Second operand 10 states. [2020-10-23 23:50:53,730 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:50:54,203 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:50:54,590 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:50:54,971 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:50:55,412 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:50:55,801 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:50:56,977 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:50:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:50:59,484 INFO L93 Difference]: Finished difference Result 680 states and 783 transitions. [2020-10-23 23:50:59,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 23:50:59,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2020-10-23 23:50:59,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:50:59,496 INFO L225 Difference]: With dead ends: 680 [2020-10-23 23:50:59,496 INFO L226 Difference]: Without dead ends: 542 [2020-10-23 23:50:59,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-23 23:50:59,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2020-10-23 23:50:59,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 451. [2020-10-23 23:50:59,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-10-23 23:50:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 500 transitions. [2020-10-23 23:50:59,795 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 500 transitions. Word has length 164 [2020-10-23 23:50:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:50:59,797 INFO L481 AbstractCegarLoop]: Abstraction has 451 states and 500 transitions. [2020-10-23 23:50:59,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:50:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 500 transitions. [2020-10-23 23:50:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-23 23:50:59,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:50:59,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:50:59,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:50:59,802 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:50:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:50:59,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1540286820, now seen corresponding path program 1 times [2020-10-23 23:50:59,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:50:59,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156168705] [2020-10-23 23:50:59,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:50:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,242 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:51:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:51:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:51:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 23:51:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:00,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156168705] [2020-10-23 23:51:00,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:00,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 23:51:00,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744371873] [2020-10-23 23:51:00,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 23:51:00,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:00,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 23:51:00,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 23:51:00,389 INFO L87 Difference]: Start difference. First operand 451 states and 500 transitions. Second operand 7 states. [2020-10-23 23:51:01,023 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:03,089 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:03,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:03,858 INFO L93 Difference]: Finished difference Result 1122 states and 1327 transitions. [2020-10-23 23:51:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 23:51:03,866 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-10-23 23:51:03,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:03,872 INFO L225 Difference]: With dead ends: 1122 [2020-10-23 23:51:03,873 INFO L226 Difference]: Without dead ends: 791 [2020-10-23 23:51:03,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 23:51:03,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2020-10-23 23:51:04,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 661. [2020-10-23 23:51:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-10-23 23:51:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 734 transitions. [2020-10-23 23:51:04,206 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 734 transitions. Word has length 172 [2020-10-23 23:51:04,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:04,207 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 734 transitions. [2020-10-23 23:51:04,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 23:51:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 734 transitions. [2020-10-23 23:51:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-23 23:51:04,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:04,210 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] [2020-10-23 23:51:04,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:51:04,210 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:04,211 INFO L82 PathProgramCache]: Analyzing trace with hash -987501602, now seen corresponding path program 1 times [2020-10-23 23:51:04,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:04,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967783325] [2020-10-23 23:51:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,625 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:04,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-23 23:51:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 23:51:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-23 23:51:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:04,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967783325] [2020-10-23 23:51:04,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:04,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:51:04,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148534499] [2020-10-23 23:51:04,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:51:04,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:04,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:51:04,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:51:04,802 INFO L87 Difference]: Start difference. First operand 661 states and 734 transitions. Second operand 10 states. [2020-10-23 23:51:05,489 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:06,842 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:07,229 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:07,657 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:08,059 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:08,423 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:08,786 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:09,159 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:09,702 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:11,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:11,873 INFO L93 Difference]: Finished difference Result 1785 states and 2094 transitions. [2020-10-23 23:51:11,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-23 23:51:11,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-23 23:51:11,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:11,883 INFO L225 Difference]: With dead ends: 1785 [2020-10-23 23:51:11,883 INFO L226 Difference]: Without dead ends: 1244 [2020-10-23 23:51:11,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-23 23:51:11,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2020-10-23 23:51:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1097. [2020-10-23 23:51:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2020-10-23 23:51:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1223 transitions. [2020-10-23 23:51:12,355 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1223 transitions. Word has length 173 [2020-10-23 23:51:12,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:12,356 INFO L481 AbstractCegarLoop]: Abstraction has 1097 states and 1223 transitions. [2020-10-23 23:51:12,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:51:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1223 transitions. [2020-10-23 23:51:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-23 23:51:12,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:12,359 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] [2020-10-23 23:51:12,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:51:12,360 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:12,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:12,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1017411910, now seen corresponding path program 1 times [2020-10-23 23:51:12,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:12,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431304323] [2020-10-23 23:51:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,796 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:51:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 23:51:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:51:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:51:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:13,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431304323] [2020-10-23 23:51:13,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:13,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 23:51:13,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332235505] [2020-10-23 23:51:13,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 23:51:13,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:13,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 23:51:13,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 23:51:13,019 INFO L87 Difference]: Start difference. First operand 1097 states and 1223 transitions. Second operand 11 states. [2020-10-23 23:51:13,831 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:15,502 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:15,897 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:16,336 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:16,743 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:17,104 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:18,070 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:18,438 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:18,890 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:20,287 INFO L93 Difference]: Finished difference Result 2344 states and 2726 transitions. [2020-10-23 23:51:20,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 23:51:20,288 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-10-23 23:51:20,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:20,298 INFO L225 Difference]: With dead ends: 2344 [2020-10-23 23:51:20,299 INFO L226 Difference]: Without dead ends: 1367 [2020-10-23 23:51:20,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-10-23 23:51:20,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2020-10-23 23:51:20,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1091. [2020-10-23 23:51:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-10-23 23:51:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1211 transitions. [2020-10-23 23:51:20,949 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1211 transitions. Word has length 178 [2020-10-23 23:51:20,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:20,950 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 1211 transitions. [2020-10-23 23:51:20,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 23:51:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1211 transitions. [2020-10-23 23:51:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-23 23:51:20,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:20,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:51:20,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 23:51:20,957 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:20,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:20,957 INFO L82 PathProgramCache]: Analyzing trace with hash -325423169, now seen corresponding path program 1 times [2020-10-23 23:51:20,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:20,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859474290] [2020-10-23 23:51:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,359 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:51:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 23:51:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:51:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:51:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:51:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:51:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-23 23:51:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-23 23:51:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 23:51:21,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859474290] [2020-10-23 23:51:21,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:21,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 23:51:21,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955011311] [2020-10-23 23:51:21,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 23:51:21,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:21,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 23:51:21,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-23 23:51:21,622 INFO L87 Difference]: Start difference. First operand 1091 states and 1211 transitions. Second operand 14 states. [2020-10-23 23:51:22,538 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:22,904 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:51:23,272 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:23,642 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:24,013 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:25,163 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:25,542 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:25,943 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:26,364 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:26,736 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:28,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:28,934 INFO L93 Difference]: Finished difference Result 2494 states and 2985 transitions. [2020-10-23 23:51:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-23 23:51:28,935 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2020-10-23 23:51:28,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:28,945 INFO L225 Difference]: With dead ends: 2494 [2020-10-23 23:51:28,945 INFO L226 Difference]: Without dead ends: 1523 [2020-10-23 23:51:28,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-23 23:51:28,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2020-10-23 23:51:29,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1115. [2020-10-23 23:51:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2020-10-23 23:51:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1235 transitions. [2020-10-23 23:51:29,419 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1235 transitions. Word has length 224 [2020-10-23 23:51:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:29,420 INFO L481 AbstractCegarLoop]: Abstraction has 1115 states and 1235 transitions. [2020-10-23 23:51:29,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 23:51:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1235 transitions. [2020-10-23 23:51:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-23 23:51:29,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:29,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:51:29,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 23:51:29,426 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:29,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:29,427 INFO L82 PathProgramCache]: Analyzing trace with hash -2009531361, now seen corresponding path program 1 times [2020-10-23 23:51:29,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:29,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978131373] [2020-10-23 23:51:29,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,771 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:29,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:51:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 23:51:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:51:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:51:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:51:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:51:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-23 23:51:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-23 23:51:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 23:51:30,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978131373] [2020-10-23 23:51:30,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:30,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 23:51:30,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715595644] [2020-10-23 23:51:30,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 23:51:30,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:30,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 23:51:30,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 23:51:30,002 INFO L87 Difference]: Start difference. First operand 1115 states and 1235 transitions. Second operand 11 states. [2020-10-23 23:51:31,586 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:31,976 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:51:32,379 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-23 23:51:32,771 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:33,177 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:33,570 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:35,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:35,106 INFO L93 Difference]: Finished difference Result 2538 states and 3025 transitions. [2020-10-23 23:51:35,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 23:51:35,107 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 224 [2020-10-23 23:51:35,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:35,120 INFO L225 Difference]: With dead ends: 2538 [2020-10-23 23:51:35,120 INFO L226 Difference]: Without dead ends: 1543 [2020-10-23 23:51:35,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-23 23:51:35,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2020-10-23 23:51:35,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1147. [2020-10-23 23:51:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2020-10-23 23:51:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1267 transitions. [2020-10-23 23:51:35,662 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1267 transitions. Word has length 224 [2020-10-23 23:51:35,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:35,663 INFO L481 AbstractCegarLoop]: Abstraction has 1147 states and 1267 transitions. [2020-10-23 23:51:35,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 23:51:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1267 transitions. [2020-10-23 23:51:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-23 23:51:35,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:35,667 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:51:35,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 23:51:35,667 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:35,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:35,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1914789154, now seen corresponding path program 1 times [2020-10-23 23:51:35,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:35,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475467774] [2020-10-23 23:51:35,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,050 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:36,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:51:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 23:51:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:51:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:51:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:51:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:51:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-23 23:51:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-23 23:51:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 23:51:36,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475467774] [2020-10-23 23:51:36,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:36,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 23:51:36,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248995310] [2020-10-23 23:51:36,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 23:51:36,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:36,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 23:51:36,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 23:51:36,256 INFO L87 Difference]: Start difference. First operand 1147 states and 1267 transitions. Second operand 8 states. [2020-10-23 23:51:36,923 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:37,757 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:41,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:41,514 INFO L93 Difference]: Finished difference Result 3767 states and 4576 transitions. [2020-10-23 23:51:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-23 23:51:41,515 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 224 [2020-10-23 23:51:41,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:41,530 INFO L225 Difference]: With dead ends: 3767 [2020-10-23 23:51:41,531 INFO L226 Difference]: Without dead ends: 2740 [2020-10-23 23:51:41,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-10-23 23:51:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2020-10-23 23:51:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2189. [2020-10-23 23:51:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2189 states. [2020-10-23 23:51:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 2473 transitions. [2020-10-23 23:51:42,390 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 2473 transitions. Word has length 224 [2020-10-23 23:51:42,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:42,391 INFO L481 AbstractCegarLoop]: Abstraction has 2189 states and 2473 transitions. [2020-10-23 23:51:42,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 23:51:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2473 transitions. [2020-10-23 23:51:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-23 23:51:42,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:42,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:51:42,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 23:51:42,397 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:42,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:42,397 INFO L82 PathProgramCache]: Analyzing trace with hash 915482243, now seen corresponding path program 1 times [2020-10-23 23:51:42,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:42,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477991243] [2020-10-23 23:51:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,839 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:42,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:51:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 23:51:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:42,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:51:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:51:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:51:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:51:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:51:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:51:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-23 23:51:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-23 23:51:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-23 23:51:43,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477991243] [2020-10-23 23:51:43,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:51:43,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-23 23:51:43,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313121892] [2020-10-23 23:51:43,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-23 23:51:43,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:43,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-23 23:51:43,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-10-23 23:51:43,352 INFO L87 Difference]: Start difference. First operand 2189 states and 2473 transitions. Second operand 21 states. [2020-10-23 23:51:44,094 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:44,613 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:45,021 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 23:51:45,446 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:45,838 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:51:46,213 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:47,311 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:48,409 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:48,864 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:51:49,490 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:49,947 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:51:51,886 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:52,404 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:51:52,850 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:53,282 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:51:53,803 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:54,304 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:51:54,738 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:55,181 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:51:55,992 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-23 23:51:56,892 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-23 23:51:57,632 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-23 23:52:00,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:52:00,230 INFO L93 Difference]: Finished difference Result 4715 states and 5529 transitions. [2020-10-23 23:52:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-23 23:52:00,230 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 229 [2020-10-23 23:52:00,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:52:00,245 INFO L225 Difference]: With dead ends: 4715 [2020-10-23 23:52:00,245 INFO L226 Difference]: Without dead ends: 2646 [2020-10-23 23:52:00,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=793, Invalid=3367, Unknown=0, NotChecked=0, Total=4160 [2020-10-23 23:52:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2020-10-23 23:52:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 2115. [2020-10-23 23:52:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2115 states. [2020-10-23 23:52:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2359 transitions. [2020-10-23 23:52:01,238 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2359 transitions. Word has length 229 [2020-10-23 23:52:01,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:52:01,238 INFO L481 AbstractCegarLoop]: Abstraction has 2115 states and 2359 transitions. [2020-10-23 23:52:01,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-23 23:52:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2359 transitions. [2020-10-23 23:52:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-23 23:52:01,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:52:01,244 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:52:01,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-23 23:52:01,245 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:52:01,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:52:01,245 INFO L82 PathProgramCache]: Analyzing trace with hash -2141326574, now seen corresponding path program 1 times [2020-10-23 23:52:01,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:52:01,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647747784] [2020-10-23 23:52:01,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:52:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,643 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:52:01,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:52:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:52:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:52:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:52:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:52:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:52:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:52:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:52:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:52:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:52:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:52:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-23 23:52:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-23 23:52:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-23 23:52:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-23 23:52:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-23 23:52:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-23 23:52:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-23 23:52:01,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647747784] [2020-10-23 23:52:01,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:52:01,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-23 23:52:01,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542301378] [2020-10-23 23:52:01,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:52:01,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:52:01,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:52:01,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:52:01,861 INFO L87 Difference]: Start difference. First operand 2115 states and 2359 transitions. Second operand 9 states. [2020-10-23 23:52:02,553 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:52:06,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:52:06,603 INFO L93 Difference]: Finished difference Result 4108 states and 4890 transitions. [2020-10-23 23:52:06,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-23 23:52:06,604 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 277 [2020-10-23 23:52:06,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:52:06,628 INFO L225 Difference]: With dead ends: 4108 [2020-10-23 23:52:06,628 INFO L226 Difference]: Without dead ends: 4104 [2020-10-23 23:52:06,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2020-10-23 23:52:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4104 states. [2020-10-23 23:52:08,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4104 to 3207. [2020-10-23 23:52:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2020-10-23 23:52:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 3585 transitions. [2020-10-23 23:52:08,065 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 3585 transitions. Word has length 277 [2020-10-23 23:52:08,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:52:08,066 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 3585 transitions. [2020-10-23 23:52:08,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:52:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 3585 transitions. [2020-10-23 23:52:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-23 23:52:08,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:52:08,076 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:52:08,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-23 23:52:08,076 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:52:08,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:52:08,077 INFO L82 PathProgramCache]: Analyzing trace with hash 2025800677, now seen corresponding path program 1 times [2020-10-23 23:52:08,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:52:08,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192653532] [2020-10-23 23:52:08,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:52:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,493 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:52:08,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:52:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:52:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:52:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:52:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:52:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:52:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:52:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:52:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:52:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:52:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:52:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-23 23:52:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-23 23:52:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-23 23:52:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 23:52:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 23:52:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:52:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-10-23 23:52:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-23 23:52:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-23 23:52:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-23 23:52:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-23 23:52:08,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192653532] [2020-10-23 23:52:08,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:52:08,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-23 23:52:08,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839336574] [2020-10-23 23:52:08,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 23:52:08,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:52:08,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 23:52:08,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-23 23:52:08,868 INFO L87 Difference]: Start difference. First operand 3207 states and 3585 transitions. Second operand 12 states. [2020-10-23 23:52:09,604 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:52:10,465 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:52:14,679 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:52:17,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:52:17,071 INFO L93 Difference]: Finished difference Result 8915 states and 10537 transitions. [2020-10-23 23:52:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-23 23:52:17,072 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 335 [2020-10-23 23:52:17,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:52:17,110 INFO L225 Difference]: With dead ends: 8915 [2020-10-23 23:52:17,110 INFO L226 Difference]: Without dead ends: 6293 [2020-10-23 23:52:17,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=452, Invalid=1440, Unknown=0, NotChecked=0, Total=1892 [2020-10-23 23:52:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6293 states. [2020-10-23 23:52:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6293 to 4731. [2020-10-23 23:52:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4731 states. [2020-10-23 23:52:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 4731 states and 5291 transitions. [2020-10-23 23:52:18,936 INFO L78 Accepts]: Start accepts. Automaton has 4731 states and 5291 transitions. Word has length 335 [2020-10-23 23:52:18,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:52:18,937 INFO L481 AbstractCegarLoop]: Abstraction has 4731 states and 5291 transitions. [2020-10-23 23:52:18,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 23:52:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 4731 states and 5291 transitions. [2020-10-23 23:52:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-23 23:52:18,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:52:18,949 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:52:18,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-23 23:52:18,950 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:52:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:52:18,950 INFO L82 PathProgramCache]: Analyzing trace with hash -264696402, now seen corresponding path program 1 times [2020-10-23 23:52:18,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:52:18,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376292175] [2020-10-23 23:52:18,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:52:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:52:19,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:52:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:52:19,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:52:19,472 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:52:19,473 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:52:19,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-23 23:52:19,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:52:19 BoogieIcfgContainer [2020-10-23 23:52:19,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:52:19,841 INFO L168 Benchmark]: Toolchain (without parser) took 95832.96 ms. Allocated memory was 156.2 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 132.2 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 311.8 MB. Max. memory is 8.0 GB. [2020-10-23 23:52:19,841 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 156.2 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:52:19,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.56 ms. Allocated memory is still 156.2 MB. Free memory was 131.6 MB in the beginning and 110.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 23:52:19,842 INFO L168 Benchmark]: Boogie Preprocessor took 97.87 ms. Allocated memory is still 156.2 MB. Free memory was 110.2 MB in the beginning and 106.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 23:52:19,843 INFO L168 Benchmark]: RCFGBuilder took 1450.17 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 106.2 MB in the beginning and 152.3 MB in the end (delta: -46.1 MB). Peak memory consumption was 58.3 MB. Max. memory is 8.0 GB. [2020-10-23 23:52:19,844 INFO L168 Benchmark]: TraceAbstraction took 93697.97 ms. Allocated memory was 187.7 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 151.7 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 298.5 MB. Max. memory is 8.0 GB. [2020-10-23 23:52:19,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 156.2 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 575.56 ms. Allocated memory is still 156.2 MB. Free memory was 131.6 MB in the beginning and 110.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.87 ms. Allocated memory is still 156.2 MB. Free memory was 110.2 MB in the beginning and 106.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1450.17 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 106.2 MB in the beginning and 152.3 MB in the end (delta: -46.1 MB). Peak memory consumption was 58.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 93697.97 ms. Allocated memory was 187.7 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 151.7 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 298.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=182, \old(head)=183, \old(head)=171, \old(methAndRunningLastTime)=177, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=182, head={183:171}, methAndRunningLastTime=177, methaneLevelCritical=149, pumpRunning=136, systemActive=135, waterLevel=1] [L50] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=182, \old(head)=171, \old(head)=183, \old(methAndRunningLastTime)=177, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=182, head={183:171}, methAndRunningLastTime=177, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=182, \old(head)=183, \old(head)=171, \old(methAndRunningLastTime)=177, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=182, head={0:0}, methAndRunningLastTime=177, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L509] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=182, \old(head)=183, \old(head)=171, \old(methAndRunningLastTime)=177, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=177, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L650] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=182, \old(head)=183, \old(head)=171, \old(methAndRunningLastTime)=177, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L759] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=182, \old(head)=183, \old(head)=171, \old(methAndRunningLastTime)=177, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L760] int systemActive = 1; VAL [\old(cleanupTimeShifts)=182, \old(head)=183, \old(head)=171, \old(methAndRunningLastTime)=177, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] 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] [L591] 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] [L595] 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] [L596] 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] [L597] 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] [L639] 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] [L642] 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] [L643] 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] [L597] 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] [L597] 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] [L599] 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] [L601] 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] [L602] 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] [L580] 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] [L655] 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] [L580] 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] [L581] 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] [L691] 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] [L692] 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] [L693] 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] [L694] 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] [L695] 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] [L698] 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] [L700] 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] [L702] 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] [L708] 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] [L710] 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] [L712] 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] [L67] 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] [L68] 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] [L712] 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] [L718] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L720] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L730] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L775] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L795] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L800] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L911] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L912] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L916] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L129] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L137] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L916] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L916] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L918] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L921] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L923] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L924] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L800] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L800] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L802] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L804] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L829] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L91] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L92] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] retValue_acc = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L860] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L833] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] tmp = isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L835] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L839] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L823] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L839] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L804] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L775] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L781] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L88] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L91] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L92] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L667] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L683] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L781] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L745] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L700] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L702] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L708] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L710] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L720] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L722] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L82] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L722] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L730] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L768] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L56] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L768] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L795] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L798] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L813] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L660] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L88] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L91] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L92] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L667] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L669] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L865] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L868] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L869] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L669] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L669] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L671] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L672] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L677] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L781] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L745] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L700] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L708] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L710] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L718] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L720] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L728] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L730] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L768] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L55] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L56] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L768] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L775] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L795] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L798] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L813] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L775] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L781] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L660] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L88] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L91] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L92] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L667] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L669] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L865] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L868] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L869] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L669] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L669] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L671] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L672] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L674] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L948] CALL reach_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec2_product43.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 643 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 93.2s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 75.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3210 SDtfs, 10440 SDslu, 6911 SDs, 0 SdLazy, 15074 SolverSat, 3301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 723 GetRequests, 425 SyntacticMatches, 10 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2412 ImplicationChecksByTransitivity, 34.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4731occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 5088 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 2845 NumberOfCodeBlocks, 2845 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2497 ConstructedInterpolants, 0 QuantifiedInterpolants, 1334571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 175/207 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...