./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5076d679b37839f733750e31fc3798a3b068ae0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:16:22,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:16:22,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:16:22,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:16:22,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:16:22,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:16:22,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:16:22,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:16:22,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:16:22,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:16:22,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:16:22,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:16:22,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:16:22,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:16:22,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:16:22,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:16:22,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:16:22,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:16:22,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:16:22,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:16:22,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:16:22,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:16:22,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:16:22,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:16:22,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:16:22,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:16:22,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:16:22,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:16:22,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:16:22,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:16:22,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:16:22,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:16:22,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:16:22,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:16:22,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:16:22,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:16:22,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:16:22,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:16:22,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:16:22,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:16:22,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:16:22,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:16:22,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:16:22,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:16:22,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:16:22,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:16:22,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:16:22,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:16:22,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:16:22,942 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:16:22,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:16:22,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:16:22,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:16:22,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:16:22,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:16:22,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:16:22,944 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:16:22,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:16:22,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:16:22,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:16:22,945 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:16:22,945 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:16:22,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:16:22,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:16:22,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:16:22,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:16:22,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:16:22,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:16:22,963 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:16:22,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:16:22,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:16:22,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5076d679b37839f733750e31fc3798a3b068ae0 [2020-12-01 18:16:23,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:16:23,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:16:23,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:16:23,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:16:23,434 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:16:23,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c [2020-12-01 18:16:23,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/data/2e099c6c8/b86f71b7308c4123b098b1b0f3ccc31c/FLAG58a0a9d04 [2020-12-01 18:16:24,301 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:16:24,303 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c [2020-12-01 18:16:24,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/data/2e099c6c8/b86f71b7308c4123b098b1b0f3ccc31c/FLAG58a0a9d04 [2020-12-01 18:16:24,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/data/2e099c6c8/b86f71b7308c4123b098b1b0f3ccc31c [2020-12-01 18:16:24,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:16:24,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:16:24,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:16:24,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:16:24,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:16:24,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:16:24" (1/1) ... [2020-12-01 18:16:24,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592f9ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:24, skipping insertion in model container [2020-12-01 18:16:24,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:16:24" (1/1) ... [2020-12-01 18:16:24,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:16:24,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:16:25,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:16:25,097 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:16:25,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:16:25,246 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:16:25,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25 WrapperNode [2020-12-01 18:16:25,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:16:25,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:16:25,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:16:25,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:16:25,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:16:25,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:16:25,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:16:25,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:16:25,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... [2020-12-01 18:16:25,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:16:25,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:16:25,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:16:25,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:16:25,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 18:16:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:16:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:16:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:16:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:16:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:16:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:16:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:16:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:16:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:16:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:16:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:16:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:16:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:16:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:16:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:16:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:16:27,151 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:16:27,151 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 18:16:27,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:16:27 BoogieIcfgContainer [2020-12-01 18:16:27,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:16:27,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:16:27,157 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:16:27,169 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:16:27,170 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:16:27" (1/1) ... [2020-12-01 18:16:27,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:16:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-12-01 18:16:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-12-01 18:16:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:16:27,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:27,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-12-01 18:16:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-12-01 18:16:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:16:27,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:27,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 18:16:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 18:16:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:16:27,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2020-12-01 18:16:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-12-01 18:16:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:16:28,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2020-12-01 18:16:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2020-12-01 18:16:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:16:29,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2020-12-01 18:16:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2020-12-01 18:16:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:16:29,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2020-12-01 18:16:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2020-12-01 18:16:29,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:16:29,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 73 states and 110 transitions. [2020-12-01 18:16:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2020-12-01 18:16:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:16:29,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 89 states and 143 transitions. [2020-12-01 18:16:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2020-12-01 18:16:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:16:30,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 163 transitions. [2020-12-01 18:16:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2020-12-01 18:16:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:16:31,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 208 transitions. [2020-12-01 18:16:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2020-12-01 18:16:34,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:16:34,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 122 states and 227 transitions. [2020-12-01 18:16:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 227 transitions. [2020-12-01 18:16:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:16:34,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 241 transitions. [2020-12-01 18:16:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2020-12-01 18:16:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:16:35,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 133 states and 248 transitions. [2020-12-01 18:16:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 248 transitions. [2020-12-01 18:16:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:16:37,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 139 states and 262 transitions. [2020-12-01 18:16:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 262 transitions. [2020-12-01 18:16:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:16:38,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 141 states and 264 transitions. [2020-12-01 18:16:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 264 transitions. [2020-12-01 18:16:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:16:39,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 142 states and 267 transitions. [2020-12-01 18:16:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 267 transitions. [2020-12-01 18:16:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:16:39,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:39,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 144 states and 270 transitions. [2020-12-01 18:16:39,877 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 270 transitions. [2020-12-01 18:16:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:16:39,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:16:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 281 transitions. [2020-12-01 18:16:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 281 transitions. [2020-12-01 18:16:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:16:40,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:16:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 154 states and 293 transitions. [2020-12-01 18:16:41,056 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 293 transitions. [2020-12-01 18:16:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:16:41,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:16:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 161 states and 327 transitions. [2020-12-01 18:16:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 327 transitions. [2020-12-01 18:16:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:16:44,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 166 states and 335 transitions. [2020-12-01 18:16:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 335 transitions. [2020-12-01 18:16:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:16:45,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:51,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 177 states and 365 transitions. [2020-12-01 18:16:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 365 transitions. [2020-12-01 18:16:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:16:51,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:16:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 180 states and 371 transitions. [2020-12-01 18:16:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 371 transitions. [2020-12-01 18:16:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:16:51,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:16:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 183 states and 378 transitions. [2020-12-01 18:16:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 378 transitions. [2020-12-01 18:16:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:16:52,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:16:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 189 states and 385 transitions. [2020-12-01 18:16:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 385 transitions. [2020-12-01 18:16:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:16:53,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 193 states and 408 transitions. [2020-12-01 18:16:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 408 transitions. [2020-12-01 18:16:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:16:55,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 195 states and 407 transitions. [2020-12-01 18:16:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 407 transitions. [2020-12-01 18:16:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:16:56,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 202 states and 430 transitions. [2020-12-01 18:16:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 430 transitions. [2020-12-01 18:16:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:16:57,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 204 states and 440 transitions. [2020-12-01 18:16:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 440 transitions. [2020-12-01 18:16:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:16:58,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 218 states and 483 transitions. [2020-12-01 18:17:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 483 transitions. [2020-12-01 18:17:02,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:17:02,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 220 states and 494 transitions. [2020-12-01 18:17:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 494 transitions. [2020-12-01 18:17:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:17:03,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 231 states and 519 transitions. [2020-12-01 18:17:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 519 transitions. [2020-12-01 18:17:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:17:09,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 234 states and 522 transitions. [2020-12-01 18:17:11,820 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 522 transitions. [2020-12-01 18:17:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:17:11,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 235 states and 517 transitions. [2020-12-01 18:17:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 517 transitions. [2020-12-01 18:17:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:17:12,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 237 states and 519 transitions. [2020-12-01 18:17:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 519 transitions. [2020-12-01 18:17:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:17:13,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:17:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 238 states and 522 transitions. [2020-12-01 18:17:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 522 transitions. [2020-12-01 18:17:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:17:14,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:17:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 241 states and 526 transitions. [2020-12-01 18:17:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 526 transitions. [2020-12-01 18:17:15,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:17:15,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 253 states and 557 transitions. [2020-12-01 18:17:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 557 transitions. [2020-12-01 18:17:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:17:20,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 255 states and 561 transitions. [2020-12-01 18:17:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 561 transitions. [2020-12-01 18:17:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:17:21,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:17:21,824 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:17:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:17:21,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:17:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:17:22,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:17:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:17:22,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:17:25,320 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2020-12-01 18:17:25,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:17:25 ImpRootNode [2020-12-01 18:17:25,559 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:17:25,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:17:25,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:17:25,560 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:17:25,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:16:27" (3/4) ... [2020-12-01 18:17:25,563 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:17:25,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3f978960-08a5-4732-b646-7b6a08b4cc62/bin/ukojak/witness.graphml [2020-12-01 18:17:25,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:17:25,743 INFO L168 Benchmark]: Toolchain (without parser) took 61230.64 ms. Allocated memory was 107.0 MB in the beginning and 775.9 MB in the end (delta: 669.0 MB). Free memory was 85.6 MB in the beginning and 489.7 MB in the end (delta: -404.1 MB). Peak memory consumption was 264.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:25,743 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:17:25,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.98 ms. Allocated memory is still 107.0 MB. Free memory was 85.3 MB in the beginning and 64.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:25,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.32 ms. Allocated memory is still 107.0 MB. Free memory was 64.9 MB in the beginning and 62.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:25,745 INFO L168 Benchmark]: Boogie Preprocessor took 80.25 ms. Allocated memory is still 107.0 MB. Free memory was 62.6 MB in the beginning and 60.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:25,746 INFO L168 Benchmark]: RCFGBuilder took 1717.49 ms. Allocated memory is still 107.0 MB. Free memory was 60.5 MB in the beginning and 78.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:25,747 INFO L168 Benchmark]: CodeCheck took 58402.65 ms. Allocated memory was 107.0 MB in the beginning and 775.9 MB in the end (delta: 669.0 MB). Free memory was 78.9 MB in the beginning and 509.6 MB in the end (delta: -430.7 MB). Peak memory consumption was 238.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:25,747 INFO L168 Benchmark]: Witness Printer took 181.47 ms. Allocated memory is still 775.9 MB. Free memory was 509.6 MB in the beginning and 489.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:25,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 58.1s, OverallIterations: 40, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 193661632 SDtfs, -151556630 SDslu, -1429189784 SDs, 0 SdLazy, 1421303102 SolverSat, 544509440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18512 GetRequests, 17943 SyntacticMatches, 44 SemanticMatches, 525 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132346 ImplicationChecksByTransitivity, 47.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1521 NumberOfCodeBlocks, 1521 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1431 ConstructedInterpolants, 0 QuantifiedInterpolants, 137958 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 34 PerfectInterpolantSequences, 310/357 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int waterLevel = 1; [L88] int methaneLevelCritical = 0; [L181] int cleanupTimeShifts = 4; [L294] int pumpRunning = 0; [L295] int systemActive = 1; [L681] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L878] int methAndRunningLastTime ; [L259] int retValue_acc ; [L260] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L883] methAndRunningLastTime = 0 [L448] int splverifierCounter ; [L449] int tmp ; [L450] int tmp___0 ; [L451] int tmp___1 ; [L452] int tmp___2 ; [L455] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L457] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L459] COND TRUE splverifierCounter < 4 [L465] tmp = __VERIFIER_nondet_int() [L467] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L105] COND TRUE waterLevel < 2 [L106] waterLevel = waterLevel + 1 [L469] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L475] tmp___0 = __VERIFIER_nondet_int() [L477] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] COND FALSE !(\read(methaneLevelCritical)) [L120] methaneLevelCritical = 1 [L479] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L485] tmp___2 = __VERIFIER_nondet_int() [L487] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L500] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L302] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L309] COND TRUE \read(systemActive) [L331] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] COND TRUE ! pumpRunning [L428] int retValue_acc ; [L429] int tmp ; [L430] int tmp___0 ; [L167] int retValue_acc ; [L170] COND FALSE !(waterLevel < 2) [L174] retValue_acc = 0 [L175] return (retValue_acc); [L434] tmp = isHighWaterSensorDry() [L436] COND FALSE !(\read(tmp)) [L439] tmp___0 = 1 [L441] retValue_acc = tmp___0 [L442] return (retValue_acc); [L336] tmp = isHighWaterLevel() [L338] COND TRUE \read(tmp) [L359] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L888] int tmp ; [L889] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L126] int retValue_acc ; [L129] retValue_acc = methaneLevelCritical [L130] return (retValue_acc); [L893] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L900] COND FALSE !(\read(methAndRunningLastTime)) [L905] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L500] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L457] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L459] COND TRUE splverifierCounter < 4 [L465] tmp = __VERIFIER_nondet_int() [L467] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L475] tmp___0 = __VERIFIER_nondet_int() [L477] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L485] tmp___2 = __VERIFIER_nondet_int() [L487] COND FALSE !(\read(tmp___2)) [L491] tmp___1 = __VERIFIER_nondet_int() [L493] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L500] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L302] COND TRUE \read(pumpRunning) [L93] COND TRUE waterLevel > 0 [L94] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] COND TRUE \read(systemActive) [L331] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L334] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L349] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L888] int tmp ; [L889] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L126] int retValue_acc ; [L129] retValue_acc = methaneLevelCritical [L130] return (retValue_acc); [L893] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec2_product33.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 733.98 ms. Allocated memory is still 107.0 MB. Free memory was 85.3 MB in the beginning and 64.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.32 ms. Allocated memory is still 107.0 MB. Free memory was 64.9 MB in the beginning and 62.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.25 ms. Allocated memory is still 107.0 MB. Free memory was 62.6 MB in the beginning and 60.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1717.49 ms. Allocated memory is still 107.0 MB. Free memory was 60.5 MB in the beginning and 78.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * CodeCheck took 58402.65 ms. Allocated memory was 107.0 MB in the beginning and 775.9 MB in the end (delta: 669.0 MB). Free memory was 78.9 MB in the beginning and 509.6 MB in the end (delta: -430.7 MB). Peak memory consumption was 238.0 MB. Max. memory is 16.1 GB. * Witness Printer took 181.47 ms. Allocated memory is still 775.9 MB. Free memory was 509.6 MB in the beginning and 489.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...