/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_spec3_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:12:18,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:12:18,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:12:18,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:12:18,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:12:18,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:12:18,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:12:18,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:12:18,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:12:18,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:12:18,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:12:18,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:12:18,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:12:18,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:12:18,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:12:18,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:12:18,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:12:18,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:12:18,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:12:18,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:12:18,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:12:18,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:12:18,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:12:18,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:12:18,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:12:18,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:12:18,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:12:18,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:12:18,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:12:18,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:12:18,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:12:18,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:12:18,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:12:18,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:12:18,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:12:18,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:12:18,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:12:18,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:12:18,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:12:18,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:12:18,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:12:18,407 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 04:12:18,442 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:12:18,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:12:18,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:12:18,447 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:12:18,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:12:18,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:12:18,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:12:18,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:12:18,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:12:18,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:12:18,450 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:12:18,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:12:18,450 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:12:18,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:12:18,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:12:18,451 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:12:18,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:12:18,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:12:18,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:12:18,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:12:18,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:12:18,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:12:18,453 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:12:18,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:12:18,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:12:18,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:12:18,950 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:12:18,950 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:12:18,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2020-11-07 04:12:19,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363ed5438/5dd5edb397534ee58d16f3cf8ec819b0/FLAG551f69b60 [2020-11-07 04:12:19,691 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:12:19,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2020-11-07 04:12:19,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363ed5438/5dd5edb397534ee58d16f3cf8ec819b0/FLAG551f69b60 [2020-11-07 04:12:19,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363ed5438/5dd5edb397534ee58d16f3cf8ec819b0 [2020-11-07 04:12:19,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:12:19,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:12:20,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:12:20,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:12:20,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:12:20,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:12:19" (1/1) ... [2020-11-07 04:12:20,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559ba617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20, skipping insertion in model container [2020-11-07 04:12:20,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:12:19" (1/1) ... [2020-11-07 04:12:20,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:12:20,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:12:20,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:12:20,459 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:12:20,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:12:20,663 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:12:20,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20 WrapperNode [2020-11-07 04:12:20,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:12:20,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:12:20,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:12:20,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:12:20,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (1/1) ... [2020-11-07 04:12:20,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (1/1) ... [2020-11-07 04:12:20,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (1/1) ... [2020-11-07 04:12:20,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (1/1) ... [2020-11-07 04:12:20,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (1/1) ... [2020-11-07 04:12:20,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (1/1) ... [2020-11-07 04:12:20,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (1/1) ... [2020-11-07 04:12:20,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:12:20,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:12:20,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:12:20,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:12:20,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (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 04:12:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:12:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:12:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:12:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:12:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:12:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:12:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:12:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:12:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:12:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:12:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:12:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:12:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:12:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:12:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:12:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:12:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:12:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:12:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:12:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:12:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:12:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:12:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:12:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:12:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:12:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:12:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:12:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:12:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:12:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:12:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:12:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:12:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:12:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:12:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:12:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:12:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:12:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:12:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:12:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:12:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:12:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:12:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:12:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:12:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:12:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:12:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:12:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:12:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:12:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:12:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:12:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:12:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:12:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:12:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:12:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:12:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:12:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:12:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:12:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:12:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:12:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:12:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:12:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:12:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:12:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:12:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:12:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:12:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:12:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:12:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:12:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:12:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:12:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:12:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:12:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:12:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:12:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:12:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:12:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:12:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:12:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:12:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:12:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:12:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:12:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:12:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:12:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:12:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:12:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:12:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:12:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:12:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:12:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:12:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:12:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:12:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:12:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:12:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:12:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:12:22,510 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:12:22,511 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:12:22,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:12:22 BoogieIcfgContainer [2020-11-07 04:12:22,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:12:22,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:12:22,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:12:22,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:12:22,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:12:19" (1/3) ... [2020-11-07 04:12:22,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47136a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:12:22, skipping insertion in model container [2020-11-07 04:12:22,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:20" (2/3) ... [2020-11-07 04:12:22,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47136a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:12:22, skipping insertion in model container [2020-11-07 04:12:22,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:12:22" (3/3) ... [2020-11-07 04:12:22,524 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52.cil.c [2020-11-07 04:12:22,541 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:12:22,546 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:12:22,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:12:22,587 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:12:22,587 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:12:22,587 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:12:22,587 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:12:22,588 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:12:22,588 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:12:22,588 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:12:22,588 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:12:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states. [2020-11-07 04:12:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-07 04:12:22,635 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:22,637 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] [2020-11-07 04:12:22,637 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 04:12:22,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:22,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2048092690, now seen corresponding path program 1 times [2020-11-07 04:12:22,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:22,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551031725] [2020-11-07 04:12:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,632 WARN L194 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:23,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:12:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:12:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:12:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:12:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:23,853 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 04:12:23,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551031725] [2020-11-07 04:12:23,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:12:23,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:12:23,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015469858] [2020-11-07 04:12:23,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:12:23,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:12:23,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:12:23,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:12:23,880 INFO L87 Difference]: Start difference. First operand 348 states. Second operand 3 states. [2020-11-07 04:12:25,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:12:25,866 INFO L93 Difference]: Finished difference Result 544 states and 644 transitions. [2020-11-07 04:12:25,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:12:25,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-07 04:12:25,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:12:25,911 INFO L225 Difference]: With dead ends: 544 [2020-11-07 04:12:25,912 INFO L226 Difference]: Without dead ends: 332 [2020-11-07 04:12:25,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:12:25,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-07 04:12:26,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 288. [2020-11-07 04:12:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-11-07 04:12:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 313 transitions. [2020-11-07 04:12:26,153 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 313 transitions. Word has length 159 [2020-11-07 04:12:26,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:12:26,156 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 313 transitions. [2020-11-07 04:12:26,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:12:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 313 transitions. [2020-11-07 04:12:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-07 04:12:26,169 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:26,170 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] [2020-11-07 04:12:26,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:12:26,172 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 04:12:26,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:26,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1440392562, now seen corresponding path program 1 times [2020-11-07 04:12:26,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:26,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570096445] [2020-11-07 04:12:26,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,636 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:26,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:12:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-11-07 04:12:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 04:12:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-07 04:12:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:26,789 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 04:12:26,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570096445] [2020-11-07 04:12:26,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:12:26,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:12:26,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660421036] [2020-11-07 04:12:26,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:12:26,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:12:26,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:12:26,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:12:26,796 INFO L87 Difference]: Start difference. First operand 288 states and 313 transitions. Second operand 4 states. [2020-11-07 04:12:27,678 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:12:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:12:29,102 INFO L93 Difference]: Finished difference Result 448 states and 503 transitions. [2020-11-07 04:12:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:12:29,103 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-11-07 04:12:29,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:12:29,109 INFO L225 Difference]: With dead ends: 448 [2020-11-07 04:12:29,109 INFO L226 Difference]: Without dead ends: 315 [2020-11-07 04:12:29,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:12:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-11-07 04:12:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 278. [2020-11-07 04:12:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-11-07 04:12:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 300 transitions. [2020-11-07 04:12:29,204 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 300 transitions. Word has length 160 [2020-11-07 04:12:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:12:29,205 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 300 transitions. [2020-11-07 04:12:29,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:12:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 300 transitions. [2020-11-07 04:12:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-07 04:12:29,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:29,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:12:29,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:12:29,208 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 04:12:29,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:29,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1546232232, now seen corresponding path program 1 times [2020-11-07 04:12:29,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:29,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002231940] [2020-11-07 04:12:29,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,772 WARN L194 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:12:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 04:12:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:12:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-11-07 04:12:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-11-07 04:12:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:29,939 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 04:12:29,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002231940] [2020-11-07 04:12:29,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:12:29,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:12:29,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325996402] [2020-11-07 04:12:29,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:12:29,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:12:29,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:12:29,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:12:29,942 INFO L87 Difference]: Start difference. First operand 278 states and 300 transitions. Second operand 10 states. [2020-11-07 04:12:30,637 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:12:31,135 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:12:31,571 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:12:31,969 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:12:32,355 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:12:32,773 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:12:33,967 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:12:37,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:12:37,435 INFO L93 Difference]: Finished difference Result 771 states and 893 transitions. [2020-11-07 04:12:37,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:12:37,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-11-07 04:12:37,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:12:37,442 INFO L225 Difference]: With dead ends: 771 [2020-11-07 04:12:37,443 INFO L226 Difference]: Without dead ends: 608 [2020-11-07 04:12:37,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:12:37,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-11-07 04:12:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 511. [2020-11-07 04:12:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-11-07 04:12:37,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 570 transitions. [2020-11-07 04:12:37,700 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 570 transitions. Word has length 173 [2020-11-07 04:12:37,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:12:37,701 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 570 transitions. [2020-11-07 04:12:37,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:12:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 570 transitions. [2020-11-07 04:12:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-07 04:12:37,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:37,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:12:37,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:12:37,706 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 04:12:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:37,706 INFO L82 PathProgramCache]: Analyzing trace with hash 443280072, now seen corresponding path program 1 times [2020-11-07 04:12:37,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:37,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580898381] [2020-11-07 04:12:37,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,170 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:38,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:12:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:12:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-11-07 04:12:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-11-07 04:12:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-11-07 04:12:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:38,348 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 04:12:38,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580898381] [2020-11-07 04:12:38,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:12:38,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:12:38,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52154144] [2020-11-07 04:12:38,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:12:38,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:12:38,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:12:38,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:12:38,351 INFO L87 Difference]: Start difference. First operand 511 states and 570 transitions. Second operand 9 states. [2020-11-07 04:12:38,981 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:12:41,523 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:12:41,949 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:12:42,489 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:12:43,037 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:12:43,458 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:12:43,842 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:12:44,270 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:12:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:12:45,639 INFO L93 Difference]: Finished difference Result 1384 states and 1658 transitions. [2020-11-07 04:12:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:12:45,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2020-11-07 04:12:45,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:12:45,649 INFO L225 Difference]: With dead ends: 1384 [2020-11-07 04:12:45,649 INFO L226 Difference]: Without dead ends: 988 [2020-11-07 04:12:45,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:12:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2020-11-07 04:12:46,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 885. [2020-11-07 04:12:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-11-07 04:12:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1011 transitions. [2020-11-07 04:12:46,034 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1011 transitions. Word has length 178 [2020-11-07 04:12:46,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:12:46,035 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1011 transitions. [2020-11-07 04:12:46,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:12:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1011 transitions. [2020-11-07 04:12:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-07 04:12:46,040 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:46,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:12:46,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:12:46,041 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 04:12:46,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:46,042 INFO L82 PathProgramCache]: Analyzing trace with hash 918956718, now seen corresponding path program 1 times [2020-11-07 04:12:46,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:46,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497013240] [2020-11-07 04:12:46,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,481 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:12:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:12:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:12:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-11-07 04:12:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-11-07 04:12:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-11-07 04:12:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:46,614 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 04:12:46,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497013240] [2020-11-07 04:12:46,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:12:46,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:12:46,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865514808] [2020-11-07 04:12:46,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:12:46,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:12:46,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:12:46,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:12:46,621 INFO L87 Difference]: Start difference. First operand 885 states and 1011 transitions. Second operand 6 states. [2020-11-07 04:12:47,301 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:12:50,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:12:50,439 INFO L93 Difference]: Finished difference Result 1991 states and 2388 transitions. [2020-11-07 04:12:50,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 04:12:50,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-11-07 04:12:50,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:12:50,449 INFO L225 Difference]: With dead ends: 1991 [2020-11-07 04:12:50,450 INFO L226 Difference]: Without dead ends: 1221 [2020-11-07 04:12:50,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:12:50,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-11-07 04:12:50,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1120. [2020-11-07 04:12:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-11-07 04:12:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1275 transitions. [2020-11-07 04:12:50,935 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1275 transitions. Word has length 183 [2020-11-07 04:12:50,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:12:50,936 INFO L481 AbstractCegarLoop]: Abstraction has 1120 states and 1275 transitions. [2020-11-07 04:12:50,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:12:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1275 transitions. [2020-11-07 04:12:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-07 04:12:50,940 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:50,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:12:50,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:12:50,940 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 04:12:50,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:50,941 INFO L82 PathProgramCache]: Analyzing trace with hash 899771113, now seen corresponding path program 1 times [2020-11-07 04:12:50,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:50,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214679501] [2020-11-07 04:12:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:12:51,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:12:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:12:51,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:12:51,297 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:12:51,298 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:12:51,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:12:51,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:12:51 BoogieIcfgContainer [2020-11-07 04:12:51,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:12:51,583 INFO L168 Benchmark]: Toolchain (without parser) took 31588.51 ms. Allocated memory was 163.6 MB in the beginning and 625.0 MB in the end (delta: 461.4 MB). Free memory was 138.1 MB in the beginning and 229.2 MB in the end (delta: -91.1 MB). Peak memory consumption was 371.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:12:51,584 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 163.6 MB. Free memory is still 140.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:12:51,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.62 ms. Allocated memory is still 163.6 MB. Free memory was 137.4 MB in the beginning and 115.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:12:51,591 INFO L168 Benchmark]: Boogie Preprocessor took 170.02 ms. Allocated memory is still 163.6 MB. Free memory was 115.6 MB in the beginning and 111.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 04:12:51,592 INFO L168 Benchmark]: RCFGBuilder took 1677.99 ms. Allocated memory was 163.6 MB in the beginning and 204.5 MB in the end (delta: 40.9 MB). Free memory was 111.6 MB in the beginning and 140.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 8.0 GB. [2020-11-07 04:12:51,593 INFO L168 Benchmark]: TraceAbstraction took 29064.19 ms. Allocated memory was 204.5 MB in the beginning and 625.0 MB in the end (delta: 420.5 MB). Free memory was 139.9 MB in the beginning and 229.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 331.8 MB. Max. memory is 8.0 GB. [2020-11-07 04:12:51,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 163.6 MB. Free memory is still 140.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 663.62 ms. Allocated memory is still 163.6 MB. Free memory was 137.4 MB in the beginning and 115.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 170.02 ms. Allocated memory is still 163.6 MB. Free memory was 115.6 MB in the beginning and 111.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1677.99 ms. Allocated memory was 163.6 MB in the beginning and 204.5 MB in the end (delta: 40.9 MB). Free memory was 111.6 MB in the beginning and 140.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 29064.19 ms. Allocated memory was 204.5 MB in the beginning and 625.0 MB in the end (delta: 420.5 MB). Free memory was 139.9 MB in the beginning and 229.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 331.8 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: [L86] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=180, head={182:169}, methaneLevelCritical=146, pumpRunning=139, systemActive=138, waterLevel=1] [L87] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=180, head={182:169}, methaneLevelCritical=0, pumpRunning=139, systemActive=138, waterLevel=1] [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=0, pumpRunning=139, systemActive=138, waterLevel=1] [L561] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=138, waterLevel=1] [L562] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L971] 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] [L972] 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] [L976] 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] [L977] 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] [L978] 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] [L889] 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] [L892] 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] [L893] 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] [L978] 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] [L978] 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] [L980] 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] [L982] 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] [L983] 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] [L965] 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] [L783] 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] [L784] 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] [L785] 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] [L786] 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] [L787] 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] [L790] 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] [L792] 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] [L794] 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] [L800] 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] [L802] 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] [L804] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L105] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L804] 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] [L810] 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] [L812] 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] [L820] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L822] COND FALSE !(\read(tmp___2)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L828] tmp___1 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L830] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L832] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L768] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L832] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L839] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L568] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L575] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L583] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L47] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L48] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L49] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L53] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L125] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L128] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L129] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L53] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L53] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L55] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L59] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L157] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L160] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L161] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L59] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L59] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L63] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L675] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L678] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L679] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L63] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L63] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L65] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L69] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L855] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product52.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 666 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 28.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1377 SDtfs, 2278 SDslu, 1685 SDs, 0 SdLazy, 4010 SolverSat, 782 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1120occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 382 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1036 NumberOfCodeBlocks, 1036 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 848 ConstructedInterpolants, 0 QuantifiedInterpolants, 365054 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...