./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:06:12,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:06:12,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:06:12,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:06:12,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:06:12,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:06:12,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:06:12,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:06:12,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:06:12,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:06:12,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:06:12,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:06:12,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:06:12,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:06:12,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:06:12,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:06:12,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:06:12,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:06:12,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:06:12,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:06:12,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:06:12,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:06:12,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:06:12,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:06:12,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:06:12,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:06:12,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:06:12,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:06:12,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:06:12,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:06:12,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:06:12,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:06:12,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:06:12,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:06:12,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:06:12,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:06:12,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:06:12,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:06:12,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:06:12,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:06:12,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:06:12,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 21:06:12,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:06:12,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:06:12,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:06:12,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:06:12,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:06:12,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:06:12,954 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:06:12,954 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:06:12,954 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:06:12,954 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:06:12,955 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:06:12,956 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:06:12,956 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:06:12,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:06:12,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:06:12,956 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:06:12,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:06:12,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:06:12,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:06:12,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:06:12,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:06:12,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:06:12,958 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:06:12,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:06:12,958 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:06:12,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:06:12,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:06:12,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:06:12,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:06:12,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:06:12,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:06:12,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:06:12,961 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2022-11-02 21:06:13,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:06:13,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:06:13,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:06:13,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:06:13,337 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:06:13,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2022-11-02 21:06:13,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/data/756c9efc1/e9b85a3f2a2444f686632b30eed0092c/FLAG37c4e2fdc [2022-11-02 21:06:14,027 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:06:14,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2022-11-02 21:06:14,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/data/756c9efc1/e9b85a3f2a2444f686632b30eed0092c/FLAG37c4e2fdc [2022-11-02 21:06:14,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/data/756c9efc1/e9b85a3f2a2444f686632b30eed0092c [2022-11-02 21:06:14,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:06:14,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:06:14,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:06:14,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:06:14,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:06:14,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292faff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14, skipping insertion in model container [2022-11-02 21:06:14,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:06:14,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:06:14,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2022-11-02 21:06:14,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:06:14,727 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:06:14,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2022-11-02 21:06:14,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:06:14,867 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:06:14,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14 WrapperNode [2022-11-02 21:06:14,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:06:14,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:06:14,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:06:14,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:06:14,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,929 INFO L138 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 52, calls inlined = 77, statements flattened = 557 [2022-11-02 21:06:14,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:06:14,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:06:14,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:06:14,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:06:14,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,989 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:14,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:06:14,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:06:14,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:06:14,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:06:14,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (1/1) ... [2022-11-02 21:06:15,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:06:15,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:06:15,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:06:15,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:06:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:06:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:06:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:06:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:06:15,196 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:06:15,198 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:06:15,705 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:06:15,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:06:15,728 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:06:15,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:15 BoogieIcfgContainer [2022-11-02 21:06:15,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:06:15,732 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:06:15,732 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:06:15,739 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:06:15,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:06:15,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:06:14" (1/3) ... [2022-11-02 21:06:15,742 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dc2fe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:06:15, skipping insertion in model container [2022-11-02 21:06:15,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:06:15,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:14" (2/3) ... [2022-11-02 21:06:15,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dc2fe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:06:15, skipping insertion in model container [2022-11-02 21:06:15,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:06:15,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:15" (3/3) ... [2022-11-02 21:06:15,745 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2022-11-02 21:06:15,853 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:06:15,853 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:06:15,853 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:06:15,853 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:06:15,854 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:06:15,854 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:06:15,854 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:06:15,855 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:06:15,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:15,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-11-02 21:06:15,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:06:15,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:06:15,917 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:15,918 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:15,918 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:06:15,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:15,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-11-02 21:06:15,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:06:15,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:06:15,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:15,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:15,952 INFO L748 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 107#L444true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7#L437true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 82#L452true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 119#L408true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 134#L382true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 114#L268-2true [2022-11-02 21:06:15,953 INFO L750 eck$LassoCheckResult]: Loop: 114#L268-2true assume !false; 65#L269true assume test_~splverifierCounter~0#1 < 4; 12#L270true test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 149#L278true assume !(0 != test_~tmp~4#1); 4#L278-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 33#L288true assume !(0 != test_~tmp___0~1#1); 53#L288-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 35#L298true assume 0 != test_~tmp___2~0#1; 102#L304-2true assume { :begin_inline_timeShift } true; 137#L67true assume !(0 != ~pumpRunning~0); 19#L67-2true assume !(0 != ~systemActive~0); 109#L74-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 63#L894-1true __utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 148#L466true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 74#L466-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 135#L84true assume { :end_inline_timeShift } true; 114#L268-2true [2022-11-02 21:06:15,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-02 21:06:15,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:15,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498145088] [2022-11-02 21:06:15,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:15,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:06:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:06:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:16,204 INFO L85 PathProgramCache]: Analyzing trace with hash 679870084, now seen corresponding path program 1 times [2022-11-02 21:06:16,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:16,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653217273] [2022-11-02 21:06:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:16,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:06:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:06:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:16,251 INFO L85 PathProgramCache]: Analyzing trace with hash 2035289160, now seen corresponding path program 1 times [2022-11-02 21:06:16,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:16,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409088865] [2022-11-02 21:06:16,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:16,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:16,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:16,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409088865] [2022-11-02 21:06:16,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409088865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:16,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:16,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:06:16,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945995558] [2022-11-02 21:06:16,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:16,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:16,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:16,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:16,728 INFO L87 Difference]: Start difference. First operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:16,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:16,813 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2022-11-02 21:06:16,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 187 transitions. [2022-11-02 21:06:16,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2022-11-02 21:06:16,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 137 states and 177 transitions. [2022-11-02 21:06:16,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2022-11-02 21:06:16,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2022-11-02 21:06:16,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2022-11-02 21:06:16,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:16,833 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-02 21:06:16,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2022-11-02 21:06:16,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-02 21:06:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2022-11-02 21:06:16,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-02 21:06:16,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:06:16,878 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-02 21:06:16,879 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:06:16,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 177 transitions. [2022-11-02 21:06:16,881 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2022-11-02 21:06:16,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:06:16,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:06:16,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:16,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:16,883 INFO L748 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 384#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 385#L444 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 325#L437 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 326#L452 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 423#L408 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 446#L382 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 441#L268-2 [2022-11-02 21:06:16,883 INFO L750 eck$LassoCheckResult]: Loop: 441#L268-2 assume !false; 402#L269 assume test_~splverifierCounter~0#1 < 4; 333#L270 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 334#L278 assume !(0 != test_~tmp~4#1); 317#L278-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 318#L288 assume !(0 != test_~tmp___0~1#1); 316#L288-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 366#L298 assume 0 != test_~tmp___2~0#1; 368#L304-2 assume { :begin_inline_timeShift } true; 439#L67 assume !(0 != ~pumpRunning~0); 343#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 344#L125 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 433#L99-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 449#L91-3 assume { :end_inline_processEnvironment__wrappee__base } true; 407#L99-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 348#L125-1 assume { :end_inline_processEnvironment } true; 349#L74-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 400#L894-1 __utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 401#L466 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 409#L466-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 410#L84 assume { :end_inline_timeShift } true; 441#L268-2 [2022-11-02 21:06:16,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-02 21:06:16,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:16,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569524542] [2022-11-02 21:06:16,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:16,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:06:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:06:16,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:16,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1867519298, now seen corresponding path program 1 times [2022-11-02 21:06:16,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:16,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004188042] [2022-11-02 21:06:16,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:16,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:06:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:06:16,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:16,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1415850118, now seen corresponding path program 1 times [2022-11-02 21:06:16,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:16,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108251744] [2022-11-02 21:06:16,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:16,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:06:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:16,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:06:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:20,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:06:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:06:20,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:06:20 BoogieIcfgContainer [2022-11-02 21:06:20,805 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 21:06:20,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:06:20,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:06:20,806 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:06:20,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:15" (3/4) ... [2022-11-02 21:06:20,809 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 21:06:20,925 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:06:20,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:06:20,927 INFO L158 Benchmark]: Toolchain (without parser) took 6618.14ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 62.4MB in the beginning and 60.7MB in the end (delta: 1.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-02 21:06:20,927 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:06:20,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.97ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 66.0MB in the end (delta: -3.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-02 21:06:20,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.52ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 62.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:06:20,929 INFO L158 Benchmark]: Boogie Preprocessor took 64.44ms. Allocated memory is still 98.6MB. Free memory was 62.7MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:06:20,930 INFO L158 Benchmark]: RCFGBuilder took 735.93ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 73.1MB in the end (delta: -12.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-02 21:06:20,931 INFO L158 Benchmark]: BuchiAutomizer took 5074.06ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 73.0MB in the beginning and 63.9MB in the end (delta: 9.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2022-11-02 21:06:20,931 INFO L158 Benchmark]: Witness Printer took 119.55ms. Allocated memory is still 134.2MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:06:20,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.97ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 66.0MB in the end (delta: -3.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.52ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 62.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.44ms. Allocated memory is still 98.6MB. Free memory was 62.7MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.93ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 73.1MB in the end (delta: -12.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5074.06ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 73.0MB in the beginning and 63.9MB in the end (delta: 9.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 119.55ms. Allocated memory is still 134.2MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 182 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 268]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L323] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L399] int retValue_acc ; [L400] int tmp ; [L404] FCALL select_helpers() [L405] FCALL select_features() [L406] CALL, EXPR valid_product() [L448] int retValue_acc ; [L451] retValue_acc = 1 [L452] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L406] RET, EXPR valid_product() [L406] tmp = valid_product() [L408] COND TRUE \read(tmp) [L410] FCALL setup() [L411] CALL runTest() [L390] CALL test() [L259] int splverifierCounter ; [L260] int tmp ; [L261] int tmp___0 ; [L262] int tmp___1 ; [L263] int tmp___2 ; [L266] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L268] COND TRUE 1 [L270] COND TRUE splverifierCounter < 4 [L276] tmp = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp)) [L286] tmp___0 = __VERIFIER_nondet_int() [L288] COND FALSE !(\read(tmp___0)) [L296] tmp___2 = __VERIFIER_nondet_int() [L298] COND TRUE \read(tmp___2) [L311] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__methaneQuery() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification1_spec__1() [L459] int tmp ; [L460] int tmp___0 ; [L464] CALL, EXPR isMethaneLevelCritical() [L890] int retValue_acc ; [L893] retValue_acc = methaneLevelCritical [L894] return (retValue_acc); [L464] RET, EXPR isMethaneLevelCritical() [L464] tmp = isMethaneLevelCritical() [L466] COND FALSE !(\read(tmp)) [L82] RET __utac_acc__Specification1_spec__1() [L311] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 268]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L323] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L399] int retValue_acc ; [L400] int tmp ; [L404] FCALL select_helpers() [L405] FCALL select_features() [L406] CALL, EXPR valid_product() [L448] int retValue_acc ; [L451] retValue_acc = 1 [L452] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L406] RET, EXPR valid_product() [L406] tmp = valid_product() [L408] COND TRUE \read(tmp) [L410] FCALL setup() [L411] CALL runTest() [L390] CALL test() [L259] int splverifierCounter ; [L260] int tmp ; [L261] int tmp___0 ; [L262] int tmp___1 ; [L263] int tmp___2 ; [L266] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L268] COND TRUE 1 [L270] COND TRUE splverifierCounter < 4 [L276] tmp = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp)) [L286] tmp___0 = __VERIFIER_nondet_int() [L288] COND FALSE !(\read(tmp___0)) [L296] tmp___2 = __VERIFIER_nondet_int() [L298] COND TRUE \read(tmp___2) [L311] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__methaneQuery() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification1_spec__1() [L459] int tmp ; [L460] int tmp___0 ; [L464] CALL, EXPR isMethaneLevelCritical() [L890] int retValue_acc ; [L893] retValue_acc = methaneLevelCritical [L894] return (retValue_acc); [L464] RET, EXPR isMethaneLevelCritical() [L464] tmp = isMethaneLevelCritical() [L466] COND FALSE !(\read(tmp)) [L82] RET __utac_acc__Specification1_spec__1() [L311] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 21:06:21,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5fe40a-87b2-4e2a-b9a0-bacfe9a24878/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)