/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_spec4_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:18:41,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:18:41,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:18:41,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:18:41,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:18:41,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:18:41,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:18:41,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:18:41,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:18:41,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:18:41,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:18:41,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:18:41,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:18:41,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:18:41,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:18:41,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:18:41,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:18:41,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:18:41,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:18:41,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:18:41,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:18:41,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:18:41,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:18:41,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:18:42,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:18:42,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:18:42,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:18:42,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:18:42,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:18:42,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:18:42,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:18:42,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:18:42,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:18:42,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:18:42,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:18:42,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:18:42,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:18:42,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:18:42,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:18:42,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:18:42,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:18:42,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:18:42,049 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:18:42,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:18:42,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:18:42,059 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:18:42,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:18:42,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:18:42,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:18:42,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:18:42,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:18:42,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:18:42,066 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:18:42,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:18:42,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:18:42,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:18:42,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:18:42,067 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:18:42,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:18:42,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:18:42,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:18:42,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:18:42,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:18:42,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:18:42,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:18:42,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:18:42,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:18:42,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:18:42,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:18:42,501 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:18:42,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-11-07 04:18:42,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4efa5635/609f66e38ee542c7a1485618b0560735/FLAGcb17f4bba [2020-11-07 04:18:43,137 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:18:43,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-11-07 04:18:43,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4efa5635/609f66e38ee542c7a1485618b0560735/FLAGcb17f4bba [2020-11-07 04:18:43,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4efa5635/609f66e38ee542c7a1485618b0560735 [2020-11-07 04:18:43,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:18:43,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:18:43,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:18:43,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:18:43,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:18:43,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:43" (1/1) ... [2020-11-07 04:18:43,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d91be23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:43, skipping insertion in model container [2020-11-07 04:18:43,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:43" (1/1) ... [2020-11-07 04:18:43,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:18:43,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:18:43,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:18:43,917 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:18:44,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:18:44,112 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:18:44,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44 WrapperNode [2020-11-07 04:18:44,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:18:44,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:18:44,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:18:44,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:18:44,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (1/1) ... [2020-11-07 04:18:44,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (1/1) ... [2020-11-07 04:18:44,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (1/1) ... [2020-11-07 04:18:44,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (1/1) ... [2020-11-07 04:18:44,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (1/1) ... [2020-11-07 04:18:44,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (1/1) ... [2020-11-07 04:18:44,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (1/1) ... [2020-11-07 04:18:44,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:18:44,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:18:44,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:18:44,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:18:44,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (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 [2020-11-07 04:18:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:18:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:18:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:18:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:18:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:18:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:18:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:18:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:18:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:18:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:18:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:18:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:18:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:18:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:18:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:18:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:18:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:18:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:18:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:18:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:18:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:18:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:18:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:18:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:18:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:18:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:18:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:18:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:18:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:18:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:18:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:18:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:18:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:18:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:18:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:18:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:18:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:18:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:18:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:18:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:18:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:18:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:18:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:18:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:18:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:18:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:18:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:18:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:18:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:18:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:18:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:18:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:18:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:18:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:18:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:18:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:18:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:18:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:18:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:18:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:18:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:18:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:18:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:18:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:18:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:18:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:18:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:18:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:18:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:18:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:18:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:18:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:18:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:18:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:18:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:18:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:18:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:18:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:18:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:18:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:18:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:18:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:18:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:18:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:18:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:18:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:18:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:18:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:18:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:18:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:18:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:18:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:18:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:18:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:18:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:18:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:18:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:18:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:18:46,024 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:18:46,025 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:18:46,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:46 BoogieIcfgContainer [2020-11-07 04:18:46,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:18:46,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:18:46,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:18:46,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:18:46,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:18:43" (1/3) ... [2020-11-07 04:18:46,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8dec34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:46, skipping insertion in model container [2020-11-07 04:18:46,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:44" (2/3) ... [2020-11-07 04:18:46,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8dec34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:46, skipping insertion in model container [2020-11-07 04:18:46,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:46" (3/3) ... [2020-11-07 04:18:46,038 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product48.cil.c [2020-11-07 04:18:46,056 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:18:46,061 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:18:46,074 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:18:46,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:18:46,116 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:18:46,116 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:18:46,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:18:46,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:18:46,117 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:18:46,117 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:18:46,117 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:18:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-11-07 04:18:46,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 04:18:46,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:46,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:46,166 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]=== [2020-11-07 04:18:46,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:46,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1962496396, now seen corresponding path program 1 times [2020-11-07 04:18:46,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:46,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371919109] [2020-11-07 04:18:46,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,229 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:18:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:18:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:47,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371919109] [2020-11-07 04:18:47,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:47,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:18:47,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694460221] [2020-11-07 04:18:47,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:18:47,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:47,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:18:47,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:18:47,459 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 3 states. [2020-11-07 04:18:50,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:50,328 INFO L93 Difference]: Finished difference Result 530 states and 630 transitions. [2020-11-07 04:18:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:18:50,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 04:18:50,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:50,360 INFO L225 Difference]: With dead ends: 530 [2020-11-07 04:18:50,361 INFO L226 Difference]: Without dead ends: 326 [2020-11-07 04:18:50,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:18:50,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-11-07 04:18:50,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 280. [2020-11-07 04:18:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-11-07 04:18:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 305 transitions. [2020-11-07 04:18:50,534 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 305 transitions. Word has length 148 [2020-11-07 04:18:50,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:50,535 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 305 transitions. [2020-11-07 04:18:50,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:18:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 305 transitions. [2020-11-07 04:18:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 04:18:50,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:50,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:50,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:18:50,541 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]=== [2020-11-07 04:18:50,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:50,542 INFO L82 PathProgramCache]: Analyzing trace with hash -2072973728, now seen corresponding path program 1 times [2020-11-07 04:18:50,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:50,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805861978] [2020-11-07 04:18:50,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,367 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:51,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:18:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:18:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:51,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805861978] [2020-11-07 04:18:51,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:51,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:18:51,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383784005] [2020-11-07 04:18:51,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:18:51,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:51,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:18:51,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:18:51,472 INFO L87 Difference]: Start difference. First operand 280 states and 305 transitions. Second operand 4 states. [2020-11-07 04:18:52,744 WARN L194 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:54,805 INFO L93 Difference]: Finished difference Result 434 states and 489 transitions. [2020-11-07 04:18:54,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:18:54,806 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 04:18:54,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:54,811 INFO L225 Difference]: With dead ends: 434 [2020-11-07 04:18:54,811 INFO L226 Difference]: Without dead ends: 309 [2020-11-07 04:18:54,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:18:54,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-11-07 04:18:54,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 270. [2020-11-07 04:18:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-07 04:18:54,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 292 transitions. [2020-11-07 04:18:54,935 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 292 transitions. Word has length 149 [2020-11-07 04:18:54,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:54,936 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 292 transitions. [2020-11-07 04:18:54,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:18:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 292 transitions. [2020-11-07 04:18:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-07 04:18:54,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:54,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:54,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:18:54,940 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]=== [2020-11-07 04:18:54,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:54,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1370948267, now seen corresponding path program 1 times [2020-11-07 04:18:54,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:54,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756152837] [2020-11-07 04:18:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,905 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:55,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:56,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:56,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 04:18:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:18:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:56,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:18:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:56,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756152837] [2020-11-07 04:18:56,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:56,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:18:56,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012752254] [2020-11-07 04:18:56,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:18:56,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:56,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:18:56,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:18:56,115 INFO L87 Difference]: Start difference. First operand 270 states and 292 transitions. Second operand 10 states. [2020-11-07 04:18:57,170 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:57,965 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:58,681 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:18:59,378 WARN L194 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:00,089 WARN L194 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:00,769 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:02,540 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:07,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:07,386 INFO L93 Difference]: Finished difference Result 740 states and 861 transitions. [2020-11-07 04:19:07,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:19:07,388 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-11-07 04:19:07,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:07,395 INFO L225 Difference]: With dead ends: 740 [2020-11-07 04:19:07,395 INFO L226 Difference]: Without dead ends: 585 [2020-11-07 04:19:07,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:19:07,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-11-07 04:19:07,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 484. [2020-11-07 04:19:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-11-07 04:19:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 542 transitions. [2020-11-07 04:19:07,633 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 542 transitions. Word has length 162 [2020-11-07 04:19:07,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:07,634 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 542 transitions. [2020-11-07 04:19:07,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:19:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 542 transitions. [2020-11-07 04:19:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:19:07,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:07,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:19:07,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:19:07,638 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]=== [2020-11-07 04:19:07,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:07,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1345615671, now seen corresponding path program 1 times [2020-11-07 04:19:07,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:07,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055079648] [2020-11-07 04:19:07,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,481 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:08,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:19:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:19:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:19:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:19:08,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055079648] [2020-11-07 04:19:08,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:19:08,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:19:08,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696592696] [2020-11-07 04:19:08,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:19:08,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:08,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:19:08,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:19:08,822 INFO L87 Difference]: Start difference. First operand 484 states and 542 transitions. Second operand 14 states. [2020-11-07 04:19:09,984 WARN L194 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:10,865 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:11,597 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:12,287 WARN L194 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:12,999 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:13,681 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:15,052 WARN L194 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:17,252 WARN L194 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:18,023 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:18,971 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:19,813 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:20,558 WARN L194 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:21,237 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:19:21,939 WARN L194 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:22,709 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:23,394 WARN L194 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:24,341 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:25,238 WARN L194 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:19:26,116 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:26,974 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:31,592 INFO L93 Difference]: Finished difference Result 1687 states and 2110 transitions. [2020-11-07 04:19:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:19:31,594 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 167 [2020-11-07 04:19:31,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:31,604 INFO L225 Difference]: With dead ends: 1687 [2020-11-07 04:19:31,605 INFO L226 Difference]: Without dead ends: 1318 [2020-11-07 04:19:31,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:19:31,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-11-07 04:19:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1175. [2020-11-07 04:19:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1175 states. [2020-11-07 04:19:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1387 transitions. [2020-11-07 04:19:32,198 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1387 transitions. Word has length 167 [2020-11-07 04:19:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:32,198 INFO L481 AbstractCegarLoop]: Abstraction has 1175 states and 1387 transitions. [2020-11-07 04:19:32,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:19:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1387 transitions. [2020-11-07 04:19:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-07 04:19:32,203 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:32,204 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] [2020-11-07 04:19:32,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:19:32,204 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]=== [2020-11-07 04:19:32,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:32,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1448759748, now seen corresponding path program 1 times [2020-11-07 04:19:32,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:32,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151286693] [2020-11-07 04:19:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,835 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:32,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:19:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:19:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:19:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 04:19:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:19:32,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151286693] [2020-11-07 04:19:32,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:19:32,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:19:32,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771801040] [2020-11-07 04:19:32,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:19:32,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:32,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:19:32,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:19:32,972 INFO L87 Difference]: Start difference. First operand 1175 states and 1387 transitions. Second operand 6 states. [2020-11-07 04:19:33,998 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:38,521 INFO L93 Difference]: Finished difference Result 2782 states and 3452 transitions. [2020-11-07 04:19:38,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 04:19:38,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-11-07 04:19:38,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:38,534 INFO L225 Difference]: With dead ends: 2782 [2020-11-07 04:19:38,534 INFO L226 Difference]: Without dead ends: 1722 [2020-11-07 04:19:38,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:19:38,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-11-07 04:19:39,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1594. [2020-11-07 04:19:39,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1594 states. [2020-11-07 04:19:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 1856 transitions. [2020-11-07 04:19:39,152 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 1856 transitions. Word has length 172 [2020-11-07 04:19:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:39,153 INFO L481 AbstractCegarLoop]: Abstraction has 1594 states and 1856 transitions. [2020-11-07 04:19:39,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:19:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1856 transitions. [2020-11-07 04:19:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-11-07 04:19:39,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:39,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:19:39,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:19:39,160 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]=== [2020-11-07 04:19:39,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:39,160 INFO L82 PathProgramCache]: Analyzing trace with hash 886237372, now seen corresponding path program 1 times [2020-11-07 04:19:39,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:39,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563543462] [2020-11-07 04:19:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,824 WARN L194 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:39,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:19:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:19:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:19:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 04:19:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:39,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-11-07 04:19:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-07 04:19:40,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563543462] [2020-11-07 04:19:40,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:40,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:19:40,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561044548] [2020-11-07 04:19:40,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:19:40,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:40,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:19:40,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:19:40,078 INFO L87 Difference]: Start difference. First operand 1594 states and 1856 transitions. Second operand 11 states. [2020-11-07 04:19:41,128 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:45,071 WARN L194 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:45,834 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:46,591 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:47,357 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:48,069 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:50,123 WARN L194 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:50,856 WARN L194 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:51,781 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:53,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:53,433 INFO L93 Difference]: Finished difference Result 1785 states and 2141 transitions. [2020-11-07 04:19:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-07 04:19:53,434 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 215 [2020-11-07 04:19:53,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:53,444 INFO L225 Difference]: With dead ends: 1785 [2020-11-07 04:19:53,444 INFO L226 Difference]: Without dead ends: 1781 [2020-11-07 04:19:53,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:19:53,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2020-11-07 04:19:54,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1603. [2020-11-07 04:19:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-11-07 04:19:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 1864 transitions. [2020-11-07 04:19:54,230 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 1864 transitions. Word has length 215 [2020-11-07 04:19:54,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:54,231 INFO L481 AbstractCegarLoop]: Abstraction has 1603 states and 1864 transitions. [2020-11-07 04:19:54,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:19:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1864 transitions. [2020-11-07 04:19:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-11-07 04:19:54,242 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:54,243 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:19:54,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:19:54,244 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]=== [2020-11-07 04:19:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:54,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1406588717, now seen corresponding path program 1 times [2020-11-07 04:19:54,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:54,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137303931] [2020-11-07 04:19:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,920 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:54,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:19:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:19:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-11-07 04:19:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:19:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-11-07 04:19:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-11-07 04:19:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-11-07 04:19:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 27 proven. 20 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-11-07 04:19:55,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137303931] [2020-11-07 04:19:55,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:55,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:19:55,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188816497] [2020-11-07 04:19:55,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:19:55,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:55,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:19:55,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:19:55,399 INFO L87 Difference]: Start difference. First operand 1603 states and 1864 transitions. Second operand 11 states. [2020-11-07 04:19:58,039 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:58,766 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:59,493 WARN L194 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:00,183 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:00,982 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:20:04,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:20:04,327 INFO L93 Difference]: Finished difference Result 3149 states and 3953 transitions. [2020-11-07 04:20:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:20:04,329 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 330 [2020-11-07 04:20:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:20:04,342 INFO L225 Difference]: With dead ends: 3149 [2020-11-07 04:20:04,343 INFO L226 Difference]: Without dead ends: 2070 [2020-11-07 04:20:04,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:20:04,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2020-11-07 04:20:05,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1623. [2020-11-07 04:20:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1623 states. [2020-11-07 04:20:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 1884 transitions. [2020-11-07 04:20:05,251 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 1884 transitions. Word has length 330 [2020-11-07 04:20:05,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:20:05,251 INFO L481 AbstractCegarLoop]: Abstraction has 1623 states and 1884 transitions. [2020-11-07 04:20:05,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:20:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 1884 transitions. [2020-11-07 04:20:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-11-07 04:20:05,262 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:20:05,262 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:20:05,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:20:05,263 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]=== [2020-11-07 04:20:05,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:20:05,263 INFO L82 PathProgramCache]: Analyzing trace with hash -70267735, now seen corresponding path program 1 times [2020-11-07 04:20:05,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:20:05,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280995539] [2020-11-07 04:20:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:20:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,002 WARN L194 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:20:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:20:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:20:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:20:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:20:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:20:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:20:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:20:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:20:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:20:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:20:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:20:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:20:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:20:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-11-07 04:20:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-11-07 04:20:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:20:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:20:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:20:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-11-07 04:20:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-11-07 04:20:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-07 04:20:06,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280995539] [2020-11-07 04:20:06,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:20:06,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:20:06,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920254608] [2020-11-07 04:20:06,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:20:06,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:20:06,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:20:06,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:20:06,643 INFO L87 Difference]: Start difference. First operand 1623 states and 1884 transitions. Second operand 18 states. [2020-11-07 04:20:07,919 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:08,654 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:20:09,363 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:10,058 WARN L194 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:20:10,723 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:13,388 WARN L194 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:14,158 WARN L194 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:20:14,952 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:20:15,691 WARN L194 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:16,454 WARN L194 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:20:17,106 WARN L194 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:19,268 WARN L194 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:20:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:20:24,413 INFO L93 Difference]: Finished difference Result 3567 states and 4389 transitions. [2020-11-07 04:20:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-07 04:20:24,414 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 330 [2020-11-07 04:20:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:20:24,426 INFO L225 Difference]: With dead ends: 3567 [2020-11-07 04:20:24,427 INFO L226 Difference]: Without dead ends: 2059 [2020-11-07 04:20:24,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=263, Invalid=1219, Unknown=0, NotChecked=0, Total=1482 [2020-11-07 04:20:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2020-11-07 04:20:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 1651. [2020-11-07 04:20:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1651 states. [2020-11-07 04:20:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 1828 transitions. [2020-11-07 04:20:25,128 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 1828 transitions. Word has length 330 [2020-11-07 04:20:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:20:25,129 INFO L481 AbstractCegarLoop]: Abstraction has 1651 states and 1828 transitions. [2020-11-07 04:20:25,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:20:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1828 transitions. [2020-11-07 04:20:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-11-07 04:20:25,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:20:25,138 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:20:25,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:20:25,138 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]=== [2020-11-07 04:20:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:20:25,139 INFO L82 PathProgramCache]: Analyzing trace with hash 759959009, now seen corresponding path program 1 times [2020-11-07 04:20:25,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:20:25,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268834781] [2020-11-07 04:20:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:20:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,812 WARN L194 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:20:25,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:20:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:20:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:20:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:20:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:20:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:20:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:20:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:20:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:25,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:20:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 04:20:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-11-07 04:20:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:20:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:20:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:20:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-11-07 04:20:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-11-07 04:20:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-07 04:20:26,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268834781] [2020-11-07 04:20:26,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:20:26,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-11-07 04:20:26,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958619220] [2020-11-07 04:20:26,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 04:20:26,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:20:26,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 04:20:26,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:20:26,292 INFO L87 Difference]: Start difference. First operand 1651 states and 1828 transitions. Second operand 16 states. [2020-11-07 04:20:27,522 WARN L194 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:28,199 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:20:28,864 WARN L194 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:29,523 WARN L194 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:20:30,157 WARN L194 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:32,078 WARN L194 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:32,768 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:20:33,468 WARN L194 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:34,191 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:20:34,863 WARN L194 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:20:38,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:20:38,787 INFO L93 Difference]: Finished difference Result 3212 states and 3751 transitions. [2020-11-07 04:20:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:20:38,788 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 275 [2020-11-07 04:20:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:20:38,798 INFO L225 Difference]: With dead ends: 3212 [2020-11-07 04:20:38,798 INFO L226 Difference]: Without dead ends: 1676 [2020-11-07 04:20:38,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:20:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2020-11-07 04:20:39,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1368. [2020-11-07 04:20:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-11-07 04:20:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1511 transitions. [2020-11-07 04:20:39,510 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1511 transitions. Word has length 275 [2020-11-07 04:20:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:20:39,510 INFO L481 AbstractCegarLoop]: Abstraction has 1368 states and 1511 transitions. [2020-11-07 04:20:39,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 04:20:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1511 transitions. [2020-11-07 04:20:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-11-07 04:20:39,516 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:20:39,517 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:20:39,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:20:39,517 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]=== [2020-11-07 04:20:39,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:20:39,518 INFO L82 PathProgramCache]: Analyzing trace with hash 369251617, now seen corresponding path program 1 times [2020-11-07 04:20:39,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:20:39,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390663436] [2020-11-07 04:20:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:20:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,206 WARN L194 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:20:40,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:20:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:20:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:20:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:20:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:20:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:20:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:20:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:20:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:20:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:20:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:20:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:20:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-11-07 04:20:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:20:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-11-07 04:20:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-11-07 04:20:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:20:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-11-07 04:20:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-11-07 04:20:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-07 04:20:40,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390663436] [2020-11-07 04:20:40,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:20:40,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 04:20:40,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653793010] [2020-11-07 04:20:40,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:20:40,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:20:40,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:20:40,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:20:40,508 INFO L87 Difference]: Start difference. First operand 1368 states and 1511 transitions. Second operand 9 states. [2020-11-07 04:20:41,917 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:20:43,474 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:20:50,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:20:50,166 INFO L93 Difference]: Finished difference Result 3130 states and 3658 transitions. [2020-11-07 04:20:50,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-07 04:20:50,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2020-11-07 04:20:50,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:20:50,179 INFO L225 Difference]: With dead ends: 3130 [2020-11-07 04:20:50,180 INFO L226 Difference]: Without dead ends: 2107 [2020-11-07 04:20:50,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 69 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:20:50,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2020-11-07 04:20:50,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1635. [2020-11-07 04:20:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2020-11-07 04:20:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1807 transitions. [2020-11-07 04:20:50,828 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1807 transitions. Word has length 305 [2020-11-07 04:20:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:20:50,829 INFO L481 AbstractCegarLoop]: Abstraction has 1635 states and 1807 transitions. [2020-11-07 04:20:50,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:20:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1807 transitions. [2020-11-07 04:20:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-11-07 04:20:50,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:20:50,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:20:50,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:20:50,836 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]=== [2020-11-07 04:20:50,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:20:50,836 INFO L82 PathProgramCache]: Analyzing trace with hash 589140719, now seen corresponding path program 1 times [2020-11-07 04:20:50,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:20:50,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889633739] [2020-11-07 04:20:50,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:20:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,527 WARN L194 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:20:51,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:20:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:20:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:20:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:20:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:20:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:20:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:20:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:20:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:20:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:20:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:20:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:20:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:20:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-11-07 04:20:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-11-07 04:20:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:20:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:20:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:20:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-11-07 04:20:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-11-07 04:20:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:20:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 04:20:51,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889633739] [2020-11-07 04:20:51,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:20:51,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-11-07 04:20:51,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605958324] [2020-11-07 04:20:51,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:20:51,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:20:51,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:20:51,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:20:51,929 INFO L87 Difference]: Start difference. First operand 1635 states and 1807 transitions. Second operand 14 states. [2020-11-07 04:20:52,979 WARN L194 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:20:54,495 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:20:56,030 WARN L194 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:56,718 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:20:57,460 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:58,182 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:58,862 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:20:59,537 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:21:00,228 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:21:00,970 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:21:01,739 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:21:02,517 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:21:07,744 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:21:08,421 WARN L194 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:21:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:21:10,948 INFO L93 Difference]: Finished difference Result 3929 states and 4655 transitions. [2020-11-07 04:21:10,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-07 04:21:10,950 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 301 [2020-11-07 04:21:10,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:21:10,964 INFO L225 Difference]: With dead ends: 3929 [2020-11-07 04:21:10,964 INFO L226 Difference]: Without dead ends: 2639 [2020-11-07 04:21:10,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 68 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=617, Invalid=1639, Unknown=0, NotChecked=0, Total=2256 [2020-11-07 04:21:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2020-11-07 04:21:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 1879. [2020-11-07 04:21:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1879 states. [2020-11-07 04:21:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2076 transitions. [2020-11-07 04:21:11,681 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2076 transitions. Word has length 301 [2020-11-07 04:21:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:21:11,682 INFO L481 AbstractCegarLoop]: Abstraction has 1879 states and 2076 transitions. [2020-11-07 04:21:11,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:21:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2076 transitions. [2020-11-07 04:21:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2020-11-07 04:21:11,687 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:21:11,688 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 04:21:11,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:21:11,688 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]=== [2020-11-07 04:21:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:21:11,689 INFO L82 PathProgramCache]: Analyzing trace with hash 2086878988, now seen corresponding path program 2 times [2020-11-07 04:21:11,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:21:11,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770226557] [2020-11-07 04:21:11,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:21:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:21:11,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:21:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:21:11,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:21:12,428 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:21:12,428 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:21:12,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:21:12,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:21:12 BoogieIcfgContainer [2020-11-07 04:21:12,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:21:12,912 INFO L168 Benchmark]: Toolchain (without parser) took 149460.08 ms. Allocated memory was 151.0 MB in the beginning and 836.8 MB in the end (delta: 685.8 MB). Free memory was 109.1 MB in the beginning and 378.5 MB in the end (delta: -269.5 MB). Peak memory consumption was 417.4 MB. Max. memory is 8.0 GB. [2020-11-07 04:21:12,913 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:21:12,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.42 ms. Allocated memory is still 151.0 MB. Free memory was 135.9 MB in the beginning and 127.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-11-07 04:21:12,921 INFO L168 Benchmark]: Boogie Preprocessor took 99.32 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 122.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 04:21:12,921 INFO L168 Benchmark]: RCFGBuilder took 1814.20 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 60.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 64.1 MB. Max. memory is 8.0 GB. [2020-11-07 04:21:12,923 INFO L168 Benchmark]: TraceAbstraction took 146880.65 ms. Allocated memory was 151.0 MB in the beginning and 836.8 MB in the end (delta: 685.8 MB). Free memory was 60.4 MB in the beginning and 378.5 MB in the end (delta: -318.2 MB). Peak memory consumption was 368.1 MB. Max. memory is 8.0 GB. [2020-11-07 04:21:12,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 638.42 ms. Allocated memory is still 151.0 MB. Free memory was 135.9 MB in the beginning and 127.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 99.32 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 122.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1814.20 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 60.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 64.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 146880.65 ms. Allocated memory was 151.0 MB in the beginning and 836.8 MB in the end (delta: 685.8 MB). Free memory was 60.4 MB in the beginning and 378.5 MB in the end (delta: -318.2 MB). Peak memory consumption was 368.1 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: [L240] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=150, pumpRunning=140, systemActive=139, waterLevel=143] [L446] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=140, systemActive=139, waterLevel=143] [L558] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=139, waterLevel=143] [L559] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=143] [L776] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=1] [L777] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L969] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L534] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L534] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L536] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L538] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L539] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L871] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L872] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L873] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L875] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L878] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L880] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L882] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L888] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L890] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L892] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L794] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L795] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L892] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L898] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L900] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L908] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L910] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L912] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L771] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L912] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L927] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L565] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L574] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L620] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L734] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L735] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L736] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L740] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L863] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L864] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L740] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L740] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L742] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L745] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L747] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L748] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L599] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L601] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L603] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L653] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L657] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L682] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L815] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L819] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L682] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L682] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L684] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L657] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L657] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L659] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L663] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L648] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L603] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L638] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L574] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L580] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L46] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L47] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L51] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L847] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L850] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L851] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L51] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L51] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L53] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L580] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L927] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L880] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L882] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L888] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L890] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L898] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L900] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L908] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L910] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L912] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L771] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L912] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L927] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L567] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L782] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L783] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L567] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L572] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L574] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L620] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L623] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L625] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L678] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L682] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L815] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L818] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L819] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L682] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L682] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L684] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L625] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L625] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L627] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L633] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L594] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L597] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L612] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L633] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L574] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L580] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L46] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L47] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L51] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L847] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L850] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L851] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L51] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L51] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L53] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L580] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L927] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L880] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L882] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L888] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L890] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L898] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L900] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L908] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L910] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L912] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L771] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L912] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L927] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L565] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L567] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L782] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L783] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L567] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L572] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L574] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L620] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L623] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L625] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L678] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L682] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L815] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L818] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L819] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L682] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L682] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L684] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L625] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L625] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L627] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L633] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L594] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L597] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L612] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L633] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L574] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L580] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L46] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L47] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L51] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L847] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L850] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L851] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L51] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L51] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L55] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L689] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L692] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L693] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L55] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L55] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L59] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L441] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product48.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 650 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 146.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 127.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3231 SDtfs, 8055 SDslu, 8037 SDs, 0 SdLazy, 17826 SolverSat, 2820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 705 GetRequests, 455 SyntacticMatches, 11 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1513 ImplicationChecksByTransitivity, 63.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1879occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 3030 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 2929 NumberOfCodeBlocks, 2929 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2543 ConstructedInterpolants, 0 QuantifiedInterpolants, 1423349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 342/379 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...