./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8 --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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc --- 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-e04fb08 [2022-11-16 12:19:02,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:19:02,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:19:02,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:19:02,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:19:02,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:19:02,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:19:02,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:19:02,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:19:02,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:19:02,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:19:02,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:19:02,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:19:02,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:19:02,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:19:02,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:19:02,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:19:02,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:19:02,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:19:02,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:19:02,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:19:02,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:19:02,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:19:02,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:19:02,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:19:02,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:19:02,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:19:02,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:19:02,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:19:02,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:19:02,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:19:02,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:19:02,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:19:02,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:19:02,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:19:02,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:19:02,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:19:02,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:19:02,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:19:02,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:19:02,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:19:02,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:19:02,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:19:02,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:19:02,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:19:02,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:19:02,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:19:02,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:19:02,338 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:19:02,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:19:02,339 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:19:02,339 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:19:02,339 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:19:02,339 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:19:02,340 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:19:02,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:19:02,340 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:19:02,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:19:02,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:19:02,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:19:02,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:19:02,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:19:02,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:19:02,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:19:02,342 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:19:02,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:19:02,342 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:19:02,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:19:02,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:19:02,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:19:02,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:19:02,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:19:02,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:19:02,345 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:19:02,345 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_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2022-11-16 12:19:02,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:19:02,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:19:02,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:19:02,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:19:02,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:19:02,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2022-11-16 12:19:02,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/data/d44870a12/57cff37f63874d5aae5e0676f1846bf0/FLAG71973d6e5 [2022-11-16 12:19:03,373 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:19:03,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2022-11-16 12:19:03,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/data/d44870a12/57cff37f63874d5aae5e0676f1846bf0/FLAG71973d6e5 [2022-11-16 12:19:03,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/data/d44870a12/57cff37f63874d5aae5e0676f1846bf0 [2022-11-16 12:19:03,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:19:03,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:19:03,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:19:03,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:19:03,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:19:03,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:19:03" (1/1) ... [2022-11-16 12:19:03,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555f9c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:03, skipping insertion in model container [2022-11-16 12:19:03,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:19:03" (1/1) ... [2022-11-16 12:19:03,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:19:03,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:19:04,025 WARN L229 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_9e00a80a-995b-469d-bbc6-1c24536dc1df/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2022-11-16 12:19:04,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:19:04,145 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:19:04,161 WARN L229 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_9e00a80a-995b-469d-bbc6-1c24536dc1df/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2022-11-16 12:19:04,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:19:04,230 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:19:04,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04 WrapperNode [2022-11-16 12:19:04,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:19:04,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:19:04,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:19:04,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:19:04,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,300 INFO L138 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 50, calls inlined = 49, statements flattened = 384 [2022-11-16 12:19:04,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:19:04,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:19:04,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:19:04,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:19:04,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:19:04,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:19:04,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:19:04,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:19:04,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (1/1) ... [2022-11-16 12:19:04,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:19:04,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:19:04,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:19:04,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:19:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:19:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:19:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:19:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:19:04,528 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:19:04,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:19:04,863 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:19:04,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:19:04,890 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:19:04,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:04 BoogieIcfgContainer [2022-11-16 12:19:04,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:19:04,894 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:19:04,895 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:19:04,899 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:19:04,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:19:04,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:19:03" (1/3) ... [2022-11-16 12:19:04,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12c8d4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:19:04, skipping insertion in model container [2022-11-16 12:19:04,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:19:04,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:04" (2/3) ... [2022-11-16 12:19:04,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12c8d4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:19:04, skipping insertion in model container [2022-11-16 12:19:04,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:19:04,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:04" (3/3) ... [2022-11-16 12:19:04,903 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2022-11-16 12:19:04,986 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:19:04,986 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:19:04,987 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:19:04,987 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:19:04,987 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:19:04,987 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:19:04,987 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:19:04,988 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:19:04,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2022-11-16 12:19:05,026 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-11-16 12:19:05,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:19:05,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:19:05,034 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:05,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:05,035 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:19:05,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2022-11-16 12:19:05,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-11-16 12:19:05,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:19:05,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:19:05,055 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:05,056 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:05,069 INFO L748 eck$LassoCheckResult]: Stem: 100#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);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(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 48#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 104#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 18#L83true main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 50#L305true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 8#L281true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 14#L696-2true [2022-11-16 12:19:05,070 INFO L750 eck$LassoCheckResult]: Loop: 14#L696-2true assume !false; 24#L697true assume test_~splverifierCounter~0#1 < 4; 72#L698true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 92#L706true assume !(0 != test_~tmp~5#1); 74#L706-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 39#L716true assume !(0 != test_~tmp___0~1#1); 82#L716-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 71#L726true assume 0 != test_~tmp___2~0#1; 91#L732-2true assume { :begin_inline_timeShift } true; 69#L762true assume !(0 != ~pumpRunning~0); 9#L762-2true assume !(0 != ~systemActive~0); 44#L769-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 98#L147true __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 67#L202true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 80#L202-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 4#L779true assume { :end_inline_timeShift } true; 14#L696-2true [2022-11-16 12:19:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:05,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 12:19:05,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:05,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036919522] [2022-11-16 12:19:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:05,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:05,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:05,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:05,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:05,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1634785052, now seen corresponding path program 1 times [2022-11-16 12:19:05,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:05,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886318184] [2022-11-16 12:19:05,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:05,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:05,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:05,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:05,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:05,306 INFO L85 PathProgramCache]: Analyzing trace with hash -279365976, now seen corresponding path program 1 times [2022-11-16 12:19:05,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:05,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51440889] [2022-11-16 12:19:05,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:05,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:05,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:19:05,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51440889] [2022-11-16 12:19:05,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51440889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:19:05,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:19:05,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:19:05,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925935829] [2022-11-16 12:19:05,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:19:05,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:19:05,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:19:05,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:19:05,988 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2022-11-16 12:19:06,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:19:06,204 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2022-11-16 12:19:06,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 335 transitions. [2022-11-16 12:19:06,215 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2022-11-16 12:19:06,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 233 states and 305 transitions. [2022-11-16 12:19:06,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2022-11-16 12:19:06,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2022-11-16 12:19:06,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 305 transitions. [2022-11-16 12:19:06,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:19:06,228 INFO L218 hiAutomatonCegarLoop]: Abstraction has 233 states and 305 transitions. [2022-11-16 12:19:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 305 transitions. [2022-11-16 12:19:06,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 145. [2022-11-16 12:19:06,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 144 states have internal predecessors, (190), 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) [2022-11-16 12:19:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-11-16 12:19:06,269 INFO L240 hiAutomatonCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-11-16 12:19:06,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:19:06,274 INFO L428 stractBuchiCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-11-16 12:19:06,274 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:19:06,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 190 transitions. [2022-11-16 12:19:06,277 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2022-11-16 12:19:06,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:19:06,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:19:06,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:06,279 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] [2022-11-16 12:19:06,279 INFO L748 eck$LassoCheckResult]: Stem: 473#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);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(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 461#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 462#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 475#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 433#L83 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 434#L305 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 406#L281 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 394#L696-2 [2022-11-16 12:19:06,279 INFO L750 eck$LassoCheckResult]: Loop: 394#L696-2 assume !false; 424#L697 assume test_~splverifierCounter~0#1 < 4; 437#L698 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 438#L706 assume !(0 != test_~tmp~5#1); 443#L706-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 444#L716 assume !(0 != test_~tmp___0~1#1); 452#L716-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 427#L726 assume 0 != test_~tmp___2~0#1; 429#L732-2 assume { :begin_inline_timeShift } true; 426#L762 assume !(0 != ~pumpRunning~0); 407#L762-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 408#L794 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 448#L786-1 assume { :end_inline_processEnvironment__wrappee__base } true; 392#L794-1 assume { :end_inline_processEnvironment } true; 472#L769-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 471#L147 __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 419#L202 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 420#L202-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 393#L779 assume { :end_inline_timeShift } true; 394#L696-2 [2022-11-16 12:19:06,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 12:19:06,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:06,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749160189] [2022-11-16 12:19:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:06,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:06,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:06,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:06,315 INFO L85 PathProgramCache]: Analyzing trace with hash -313172338, now seen corresponding path program 1 times [2022-11-16 12:19:06,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:06,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529042549] [2022-11-16 12:19:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:06,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:06,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:06,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:06,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:06,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1988971082, now seen corresponding path program 1 times [2022-11-16 12:19:06,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:06,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448740642] [2022-11-16 12:19:06,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:06,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:06,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:06,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:19:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:10,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:19:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:19:10,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:19:10 BoogieIcfgContainer [2022-11-16 12:19:10,475 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:19:10,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:19:10,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:19:10,476 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:19:10,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:04" (3/4) ... [2022-11-16 12:19:10,479 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:19:10,546 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:19:10,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:19:10,547 INFO L158 Benchmark]: Toolchain (without parser) took 6882.27ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 83.3MB in the beginning and 58.9MB in the end (delta: 24.5MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-11-16 12:19:10,548 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 89.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:19:10,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.24ms. Allocated memory is still 119.5MB. Free memory was 82.9MB in the beginning and 86.7MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:19:10,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.65ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 83.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:19:10,549 INFO L158 Benchmark]: Boogie Preprocessor took 35.29ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:19:10,550 INFO L158 Benchmark]: RCFGBuilder took 556.66ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 62.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 12:19:10,551 INFO L158 Benchmark]: BuchiAutomizer took 5581.08ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 61.5MB in the beginning and 61.0MB in the end (delta: 548.8kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-11-16 12:19:10,552 INFO L158 Benchmark]: Witness Printer took 70.32ms. Allocated memory is still 159.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:19:10,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 89.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.24ms. Allocated memory is still 119.5MB. Free memory was 82.9MB in the beginning and 86.7MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.65ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 83.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.29ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.66ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 62.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 5581.08ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 61.5MB in the beginning and 61.0MB in the end (delta: 548.8kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 70.32ms. Allocated memory is still 159.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 StatesRemovedByMinimization, 1 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, 478 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 127 mSDtfsCounter, 42 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: 696]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L105] int methaneLevelCritical = 0; [L755] int pumpRunning = 0; [L104] int waterLevel = 1; [L756] int systemActive = 1; [L220] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L290] CALL test() [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L741] CALL timeShift() [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L809] FCALL processEnvironment__wrappee__base() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification1_spec__1() [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L200] RET, EXPR isMethaneLevelCritical() [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L777] RET __utac_acc__Specification1_spec__1() [L741] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 696]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L105] int methaneLevelCritical = 0; [L755] int pumpRunning = 0; [L104] int waterLevel = 1; [L756] int systemActive = 1; [L220] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L290] CALL test() [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L741] CALL timeShift() [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L809] FCALL processEnvironment__wrappee__base() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification1_spec__1() [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L200] RET, EXPR isMethaneLevelCritical() [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L777] RET __utac_acc__Specification1_spec__1() [L741] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:19:10,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e00a80a-995b-469d-bbc6-1c24536dc1df/bin/uautomizer-tPACEb0tL8/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)