./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.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_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/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_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/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_80485a53-e197-4c79-8105-6d591894a5f2/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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- 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 11:28:31,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:28:31,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:28:31,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:28:31,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:28:31,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:28:31,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:28:31,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:28:31,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:28:31,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:28:31,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:28:31,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:28:31,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:28:31,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:28:31,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:28:31,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:28:31,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:28:31,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:28:31,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:28:31,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:28:31,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:28:31,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:28:31,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:28:31,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:28:31,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:28:31,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:28:31,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:28:31,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:28:31,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:28:31,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:28:31,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:28:31,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:28:31,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:28:31,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:28:31,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:28:31,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:28:31,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:28:31,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:28:31,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:28:31,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:28:31,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:28:31,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:28:31,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:28:31,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:28:31,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:28:31,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:28:31,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:28:31,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:28:31,362 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:28:31,363 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:28:31,363 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:28:31,363 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:28:31,363 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:28:31,363 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:28:31,364 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:28:31,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:28:31,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:28:31,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:28:31,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:28:31,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:28:31,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:28:31,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:28:31,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:28:31,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:28:31,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:28:31,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:28:31,366 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:28:31,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:28:31,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:28:31,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:28:31,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:28:31,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:28:31,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:28:31,368 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:28:31,369 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_80485a53-e197-4c79-8105-6d591894a5f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2022-11-16 11:28:31,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:28:31,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:28:31,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:28:31,702 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:28:31,703 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:28:31,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2022-11-16 11:28:31,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/data/7dea8dec3/44bf5158f6b441aab7bd2f0fc5bc2672/FLAG53d710214 [2022-11-16 11:28:32,406 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:28:32,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2022-11-16 11:28:32,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/data/7dea8dec3/44bf5158f6b441aab7bd2f0fc5bc2672/FLAG53d710214 [2022-11-16 11:28:32,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/data/7dea8dec3/44bf5158f6b441aab7bd2f0fc5bc2672 [2022-11-16 11:28:32,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:28:32,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:28:32,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:28:32,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:28:32,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:28:32,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:32" (1/1) ... [2022-11-16 11:28:32,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b0119e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:32, skipping insertion in model container [2022-11-16 11:28:32,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:32" (1/1) ... [2022-11-16 11:28:32,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:28:32,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:28:33,109 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_80485a53-e197-4c79-8105-6d591894a5f2/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2022-11-16 11:28:33,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:28:33,130 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:28:33,246 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_80485a53-e197-4c79-8105-6d591894a5f2/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2022-11-16 11:28:33,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:28:33,274 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:28:33,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33 WrapperNode [2022-11-16 11:28:33,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:28:33,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:28:33,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:28:33,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:28:33,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,363 INFO L138 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 362 [2022-11-16 11:28:33,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:28:33,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:28:33,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:28:33,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:28:33,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:28:33,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:28:33,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:28:33,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:28:33,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (1/1) ... [2022-11-16 11:28:33,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:28:33,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:28:33,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:28:33,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:28:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:28:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:28:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:28:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:28:33,636 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:28:33,638 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:28:34,015 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:28:34,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:28:34,038 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:28:34,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:34 BoogieIcfgContainer [2022-11-16 11:28:34,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:28:34,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:28:34,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:28:34,052 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:28:34,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:28:34,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:28:32" (1/3) ... [2022-11-16 11:28:34,055 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ed6c365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:28:34, skipping insertion in model container [2022-11-16 11:28:34,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:28:34,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:33" (2/3) ... [2022-11-16 11:28:34,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ed6c365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:28:34, skipping insertion in model container [2022-11-16 11:28:34,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:28:34,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:34" (3/3) ... [2022-11-16 11:28:34,059 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2022-11-16 11:28:34,147 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:28:34,148 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:28:34,148 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:28:34,148 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:28:34,149 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:28:34,149 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:28:34,149 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:28:34,149 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:28:34,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 11:28:34,193 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 11:28:34,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:28:34,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:28:34,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:34,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:34,200 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:28:34,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 11:28:34,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 11:28:34,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:28:34,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:28:34,209 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:34,209 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:34,217 INFO L748 eck$LassoCheckResult]: Stem: 84#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; 23#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 64#L527true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 24#L520true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 56#L535true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 86#L625true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 34#L601true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 43#L650-2true [2022-11-16 11:28:34,218 INFO L750 eck$LassoCheckResult]: Loop: 43#L650-2true assume !false; 83#L651true assume test_~splverifierCounter~0#1 < 4; 95#L652true test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 62#L660true assume !(0 != test_~tmp~4#1); 9#L660-2true test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 30#L670true assume !(0 != test_~tmp___0~0#1); 6#L670-2true test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 89#L680true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 69#L688true assume 0 != test_~tmp___1~0#1; 13#L688-2true assume { :begin_inline_timeShift } true; 60#L718true assume !(0 != ~pumpRunning~0); 92#L718-2true assume !(0 != ~systemActive~0); 47#L725-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 28#L99-1true __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; 29#L878true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 49#L878-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 91#L735true assume { :end_inline_timeShift } true; 43#L650-2true [2022-11-16 11:28:34,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:34,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 11:28:34,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:34,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606335841] [2022-11-16 11:28:34,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:34,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:28:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:34,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:28:34,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:34,443 INFO L85 PathProgramCache]: Analyzing trace with hash -293246782, now seen corresponding path program 1 times [2022-11-16 11:28:34,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:34,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536367005] [2022-11-16 11:28:34,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:34,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:34,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:28:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:34,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:28:34,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:34,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1224928386, now seen corresponding path program 1 times [2022-11-16 11:28:34,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:34,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618717117] [2022-11-16 11:28:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:34,896 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 11:28:34,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:34,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618717117] [2022-11-16 11:28:34,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618717117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:34,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:34,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:28:34,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627090947] [2022-11-16 11:28:34,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:35,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:35,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:28:35,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:28:35,139 INFO L87 Difference]: Start difference. First operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 11:28:35,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:28:35,266 INFO L93 Difference]: Finished difference Result 94 states and 116 transitions. [2022-11-16 11:28:35,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 116 transitions. [2022-11-16 11:28:35,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-11-16 11:28:35,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 84 states and 106 transitions. [2022-11-16 11:28:35,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2022-11-16 11:28:35,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2022-11-16 11:28:35,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 106 transitions. [2022-11-16 11:28:35,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:35,281 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-11-16 11:28:35,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 106 transitions. [2022-11-16 11:28:35,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-16 11:28:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 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 11:28:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2022-11-16 11:28:35,321 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-11-16 11:28:35,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:28:35,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-11-16 11:28:35,330 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:28:35,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 106 transitions. [2022-11-16 11:28:35,332 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-11-16 11:28:35,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:28:35,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:28:35,333 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:35,333 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] [2022-11-16 11:28:35,334 INFO L748 eck$LassoCheckResult]: Stem: 289#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; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 263#L527 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 264#L520 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 252#L535 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 253#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 292#L601 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 211#L650-2 [2022-11-16 11:28:35,334 INFO L750 eck$LassoCheckResult]: Loop: 211#L650-2 assume !false; 212#L651 assume test_~splverifierCounter~0#1 < 4; 286#L652 test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 262#L660 assume !(0 != test_~tmp~4#1); 225#L660-2 test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 226#L670 assume !(0 != test_~tmp___0~0#1); 218#L670-2 test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 219#L680 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 274#L688 assume 0 != test_~tmp___1~0#1; 254#L688-2 assume { :begin_inline_timeShift } true; 255#L718 assume !(0 != ~pumpRunning~0); 256#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 276#L750 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 278#L742-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 279#L750-1 assume { :end_inline_processEnvironment } true; 233#L725-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 234#L99-1 __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; 284#L878 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 237#L878-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 238#L735 assume { :end_inline_timeShift } true; 211#L650-2 [2022-11-16 11:28:35,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:35,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 11:28:35,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:35,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917200339] [2022-11-16 11:28:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:35,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:35,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:28:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:35,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:28:35,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:35,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1015444711, now seen corresponding path program 1 times [2022-11-16 11:28:35,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:35,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419655606] [2022-11-16 11:28:35,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:35,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:35,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:28:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:35,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:28:35,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:35,425 INFO L85 PathProgramCache]: Analyzing trace with hash -632553301, now seen corresponding path program 1 times [2022-11-16 11:28:35,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:35,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580425343] [2022-11-16 11:28:35,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:35,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:35,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:28:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:35,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:28:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:39,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:28:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:28:39,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:28:39 BoogieIcfgContainer [2022-11-16 11:28:39,650 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:28:39,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:28:39,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:28:39,652 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:28:39,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:34" (3/4) ... [2022-11-16 11:28:39,655 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 11:28:39,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:28:39,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:28:39,763 INFO L158 Benchmark]: Toolchain (without parser) took 7053.56ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 93.8MB in the beginning and 70.1MB in the end (delta: 23.7MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2022-11-16 11:28:39,764 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:28:39,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.18ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 96.9MB in the end (delta: -3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:28:39,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.17ms. Allocated memory is still 127.9MB. Free memory was 96.9MB in the beginning and 94.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:28:39,766 INFO L158 Benchmark]: Boogie Preprocessor took 58.48ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 92.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:28:39,766 INFO L158 Benchmark]: RCFGBuilder took 615.99ms. Allocated memory is still 127.9MB. Free memory was 92.0MB in the beginning and 73.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:28:39,767 INFO L158 Benchmark]: BuchiAutomizer took 5606.84ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 73.0MB in the beginning and 73.2MB in the end (delta: -242.6kB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-11-16 11:28:39,767 INFO L158 Benchmark]: Witness Printer took 110.85ms. Allocated memory is still 167.8MB. Free memory was 73.2MB in the beginning and 70.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:28:39,770 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 83.9MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.18ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 96.9MB in the end (delta: -3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.17ms. Allocated memory is still 127.9MB. Free memory was 96.9MB in the beginning and 94.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.48ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 92.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.99ms. Allocated memory is still 127.9MB. Free memory was 92.0MB in the beginning and 73.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5606.84ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 73.0MB in the beginning and 73.2MB in the end (delta: -242.6kB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Witness Printer took 110.85ms. Allocated memory is still 167.8MB. Free memory was 73.2MB in the beginning and 70.1MB 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 84 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. 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, 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, 434 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 111 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: 650]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L57] int methaneLevelCritical = 0; [L710] int pumpRunning = 0; [L56] int waterLevel = 1; [L711] int systemActive = 1; [L540] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L641] int splverifierCounter ; [L642] int tmp ; [L643] int tmp___0 ; [L644] int tmp___1 ; [L645] int tmp___2 ; [L648] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L650] COND TRUE 1 [L652] COND TRUE splverifierCounter < 4 [L658] tmp = __VERIFIER_nondet_int() [L660] COND FALSE !(\read(tmp)) [L668] tmp___0 = __VERIFIER_nondet_int() [L670] COND FALSE !(\read(tmp___0)) [L678] tmp___2 = __VERIFIER_nondet_int() [L680] COND FALSE !(\read(tmp___2)) [L686] tmp___1 = __VERIFIER_nondet_int() [L688] COND TRUE \read(tmp___1) [L695] CALL timeShift() [L718] COND FALSE !(\read(pumpRunning)) [L725] COND TRUE \read(systemActive) [L727] CALL processEnvironment() [L747] int tmp ; [L750] COND FALSE !(\read(pumpRunning)) [L765] FCALL processEnvironment__wrappee__methaneQuery() [L727] RET processEnvironment() [L733] CALL __utac_acc__Specification1_spec__1() [L871] int tmp ; [L872] int tmp___0 ; [L876] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L876] RET, EXPR isMethaneLevelCritical() [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) [L733] RET __utac_acc__Specification1_spec__1() [L695] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 650]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L57] int methaneLevelCritical = 0; [L710] int pumpRunning = 0; [L56] int waterLevel = 1; [L711] int systemActive = 1; [L540] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L641] int splverifierCounter ; [L642] int tmp ; [L643] int tmp___0 ; [L644] int tmp___1 ; [L645] int tmp___2 ; [L648] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L650] COND TRUE 1 [L652] COND TRUE splverifierCounter < 4 [L658] tmp = __VERIFIER_nondet_int() [L660] COND FALSE !(\read(tmp)) [L668] tmp___0 = __VERIFIER_nondet_int() [L670] COND FALSE !(\read(tmp___0)) [L678] tmp___2 = __VERIFIER_nondet_int() [L680] COND FALSE !(\read(tmp___2)) [L686] tmp___1 = __VERIFIER_nondet_int() [L688] COND TRUE \read(tmp___1) [L695] CALL timeShift() [L718] COND FALSE !(\read(pumpRunning)) [L725] COND TRUE \read(systemActive) [L727] CALL processEnvironment() [L747] int tmp ; [L750] COND FALSE !(\read(pumpRunning)) [L765] FCALL processEnvironment__wrappee__methaneQuery() [L727] RET processEnvironment() [L733] CALL __utac_acc__Specification1_spec__1() [L871] int tmp ; [L872] int tmp___0 ; [L876] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L876] RET, EXPR isMethaneLevelCritical() [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) [L733] RET __utac_acc__Specification1_spec__1() [L695] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:28:39,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80485a53-e197-4c79-8105-6d591894a5f2/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)