./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 f629674af99a09af382dbe6cebebcc4fb4b60762fab54c6aa0b3a2dc7cf784d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:48,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:48,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:47:48,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:48,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:48,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:48,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:48,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:48,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:48,717 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:48,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:48,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:48,720 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:48,722 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:47:48,723 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:47:48,723 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:47:48,724 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:47:48,724 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:47:48,725 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:47:48,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:48,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:47:48,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:48,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:48,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:48,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:48,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:47:48,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:47:48,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:47:48,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:47:48,729 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:48,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:48,731 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:47:48,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:48,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:48,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:48,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:48,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:48,733 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:47:48,733 INFO L153 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_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f629674af99a09af382dbe6cebebcc4fb4b60762fab54c6aa0b3a2dc7cf784d0 [2023-11-26 10:47:49,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:49,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:49,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:49,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:49,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:49,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2023-11-26 10:47:52,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:52,522 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:52,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2023-11-26 10:47:52,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/data/c25f86df6/1d9d5158238b4a3fb71d4e0a8fa5e6c0/FLAG4543ebbd9 [2023-11-26 10:47:52,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/data/c25f86df6/1d9d5158238b4a3fb71d4e0a8fa5e6c0 [2023-11-26 10:47:52,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:52,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:52,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:52,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:52,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:52,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:52" (1/1) ... [2023-11-26 10:47:52,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e58d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:52, skipping insertion in model container [2023-11-26 10:47:52,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:52" (1/1) ... [2023-11-26 10:47:52,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:53,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:53,027 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:53,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-26 10:47:53,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [135] [2023-11-26 10:47:53,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [163] [2023-11-26 10:47:53,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [236] [2023-11-26 10:47:53,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [387] [2023-11-26 10:47:53,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [425] [2023-11-26 10:47:53,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [521] [2023-11-26 10:47:53,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [887] [2023-11-26 10:47:53,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:53,189 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:53,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53 WrapperNode [2023-11-26 10:47:53,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:53,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:53,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:53,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:53,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,263 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 38, statements flattened = 238 [2023-11-26 10:47:53,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:53,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:53,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:53,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:53,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,303 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:47:53,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:53,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:53,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:53,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:53,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (1/1) ... [2023-11-26 10:47:53,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:47:53,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:53,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:53,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:47:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:53,515 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:53,517 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:53,911 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:53,923 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:53,923 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:47:53,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:53 BoogieIcfgContainer [2023-11-26 10:47:53,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:53,926 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:47:53,926 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:47:53,930 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:47:53,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:47:53,931 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:47:52" (1/3) ... [2023-11-26 10:47:53,932 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d17d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:47:53, skipping insertion in model container [2023-11-26 10:47:53,932 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:47:53,932 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:53" (2/3) ... [2023-11-26 10:47:53,933 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d17d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:47:53, skipping insertion in model container [2023-11-26 10:47:53,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:47:53,933 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:53" (3/3) ... [2023-11-26 10:47:53,935 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2023-11-26 10:47:53,995 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:47:53,995 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:47:53,995 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:47:53,996 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:47:53,996 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:47:53,996 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:47:53,996 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:47:53,996 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:47:54,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2023-11-26 10:47:54,029 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2023-11-26 10:47:54,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:47:54,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:47:54,038 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:54,038 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:54,038 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:47:54,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2023-11-26 10:47:54,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2023-11-26 10:47:54,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:47:54,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:47:54,050 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:54,050 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:54,057 INFO L748 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 29#valid_product_returnLabel#1true main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 43#L508true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 7#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L178-2true [2023-11-26 10:47:54,058 INFO L750 eck$LassoCheckResult]: Loop: 17#L178-2true assume !false; 69#L179true assume test_~splverifierCounter~0#1 < 4; 2#L180true havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 21#L188true assume !(0 != test_~tmp~1#1); 13#L188-2true havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 10#L198true assume !(0 != test_~tmp___0~1#1); 18#L198-2true havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 48#L208true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet14#1;test_~tmp___1~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 47#L216true assume !(0 != test_~tmp___1~0#1); 37#L216-2true assume { :begin_inline_timeShift } true; 49#L247true assume !(0 != ~pumpRunning~0); 14#L247-2true assume !(0 != ~systemActive~0); 16#L254-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 76#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1; 26#L146true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 27#L146-1true havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 17#L178-2true [2023-11-26 10:47:54,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:54,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-26 10:47:54,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:54,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959294188] [2023-11-26 10:47:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:54,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:54,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:54,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:47:54,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash 522916049, now seen corresponding path program 1 times [2023-11-26 10:47:54,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:54,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86907040] [2023-11-26 10:47:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:54,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:54,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:47:54,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:54,387 INFO L85 PathProgramCache]: Analyzing trace with hash -408765555, now seen corresponding path program 1 times [2023-11-26 10:47:54,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:54,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098092790] [2023-11-26 10:47:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:54,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:54,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:54,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098092790] [2023-11-26 10:47:54,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098092790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:54,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:54,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:54,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351338910] [2023-11-26 10:47:54,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:54,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:54,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:47:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:55,002 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2023-11-26 10:47:55,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:55,193 INFO L93 Difference]: Finished difference Result 279 states and 350 transitions. [2023-11-26 10:47:55,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 350 transitions. [2023-11-26 10:47:55,208 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 178 [2023-11-26 10:47:55,218 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 239 states and 310 transitions. [2023-11-26 10:47:55,219 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2023-11-26 10:47:55,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2023-11-26 10:47:55,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 310 transitions. [2023-11-26 10:47:55,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:55,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 239 states and 310 transitions. [2023-11-26 10:47:55,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 310 transitions. [2023-11-26 10:47:55,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 119. [2023-11-26 10:47:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 118 states have internal predecessors, (155), 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) [2023-11-26 10:47:55,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 155 transitions. [2023-11-26 10:47:55,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 155 transitions. [2023-11-26 10:47:55,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:47:55,280 INFO L428 stractBuchiCegarLoop]: Abstraction has 119 states and 155 transitions. [2023-11-26 10:47:55,281 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:47:55,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 155 transitions. [2023-11-26 10:47:55,284 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 87 [2023-11-26 10:47:55,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:47:55,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:47:55,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:55,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:55,286 INFO L748 eck$LassoCheckResult]: Stem: 430#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 421#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 422#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 417#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 418#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 386#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 387#L178-2 [2023-11-26 10:47:55,287 INFO L750 eck$LassoCheckResult]: Loop: 387#L178-2 assume !false; 403#L179 assume test_~splverifierCounter~0#1 < 4; 380#L180 havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 381#L188 assume !(0 != test_~tmp~1#1); 396#L188-2 havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 390#L198 assume !(0 != test_~tmp___0~1#1); 391#L198-2 havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 404#L208 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet14#1;test_~tmp___1~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 437#L216 assume !(0 != test_~tmp___1~0#1); 424#L216-2 assume { :begin_inline_timeShift } true; 425#L247 assume !(0 != ~pumpRunning~0); 397#L247-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 398#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 401#L254-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 402#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1; 411#L146 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 413#L146-1 havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 414#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 387#L178-2 [2023-11-26 10:47:55,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:55,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-26 10:47:55,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:55,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866069646] [2023-11-26 10:47:55,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:55,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:55,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:55,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:47:55,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:55,319 INFO L85 PathProgramCache]: Analyzing trace with hash -341451579, now seen corresponding path program 1 times [2023-11-26 10:47:55,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:55,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934778387] [2023-11-26 10:47:55,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:55,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:55,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:55,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:47:55,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:55,338 INFO L85 PathProgramCache]: Analyzing trace with hash 841189769, now seen corresponding path program 1 times [2023-11-26 10:47:55,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:55,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808724252] [2023-11-26 10:47:55,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:55,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:55,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:47:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:56,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:56,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:47:56 BoogieIcfgContainer [2023-11-26 10:47:56,758 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:47:56,761 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:47:56,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:47:56,762 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:47:56,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:53" (3/4) ... [2023-11-26 10:47:56,764 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 10:47:56,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:47:56,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:47:56,830 INFO L158 Benchmark]: Toolchain (without parser) took 4262.68ms. Allocated memory is still 172.0MB. Free memory was 141.6MB in the beginning and 70.2MB in the end (delta: 71.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-26 10:47:56,831 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:56,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.04ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 122.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:47:56,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.19ms. Allocated memory is still 172.0MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:56,832 INFO L158 Benchmark]: Boogie Preprocessor took 74.48ms. Allocated memory is still 172.0MB. Free memory was 120.2MB in the beginning and 117.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:56,833 INFO L158 Benchmark]: RCFGBuilder took 581.08ms. Allocated memory is still 172.0MB. Free memory was 117.6MB in the beginning and 102.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:47:56,833 INFO L158 Benchmark]: BuchiAutomizer took 2834.52ms. Allocated memory is still 172.0MB. Free memory was 102.5MB in the beginning and 72.3MB in the end (delta: 30.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:56,833 INFO L158 Benchmark]: Witness Printer took 68.23ms. Allocated memory is still 172.0MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:56,836 INFO L338 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 113.2MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.04ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 122.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.19ms. Allocated memory is still 172.0MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.48ms. Allocated memory is still 172.0MB. Free memory was 120.2MB in the beginning and 117.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.08ms. Allocated memory is still 172.0MB. Free memory was 117.6MB in the beginning and 102.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2834.52ms. Allocated memory is still 172.0MB. Free memory was 102.5MB in the beginning and 72.3MB in the end (delta: 30.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 68.23ms. Allocated memory is still 172.0MB. Free memory was 72.3MB in the beginning and 70.2MB 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.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [135] - GenericResultAtLocation [Line: 163]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [163] - GenericResultAtLocation [Line: 236]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [236] - GenericResultAtLocation [Line: 387]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [387] - GenericResultAtLocation [Line: 425]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [425] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [521] - GenericResultAtLocation [Line: 887]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [887] * 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 119 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. 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, 120 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, 494 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 494 mSDsluCounter, 715 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 623 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 92 mSDtfsCounter, 49 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: 178]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L240] int pumpRunning = 0; [L241] int systemActive = 1; [L426] int cleanupTimeShifts = 4; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L417] int retValue_acc ; [L420] retValue_acc = 1 [L421] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L493] CALL test() [L169] int splverifierCounter ; [L170] int tmp ; [L171] int tmp___0 ; [L172] int tmp___1 ; [L173] int tmp___2 ; [L176] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L178] COND TRUE 1 [L180] COND TRUE splverifierCounter < 4 [L186] tmp = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp)) [L196] tmp___0 = __VERIFIER_nondet_int() [L198] COND FALSE !(\read(tmp___0)) [L206] tmp___2 = __VERIFIER_nondet_int() [L208] COND FALSE !(\read(tmp___2)) [L214] tmp___1 = __VERIFIER_nondet_int() [L216] COND FALSE !(\read(tmp___1)) [L225] CALL timeShift() [L247] COND FALSE !(\read(pumpRunning)) [L254] COND TRUE \read(systemActive) [L256] FCALL processEnvironment() [L262] CALL __utac_acc__Specification4_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L144] RET, EXPR getWaterLevel() [L144] tmp = getWaterLevel() [L146] COND FALSE !(tmp == 0) [L262] RET __utac_acc__Specification4_spec__1() [L225] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 178]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L240] int pumpRunning = 0; [L241] int systemActive = 1; [L426] int cleanupTimeShifts = 4; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L417] int retValue_acc ; [L420] retValue_acc = 1 [L421] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L493] CALL test() [L169] int splverifierCounter ; [L170] int tmp ; [L171] int tmp___0 ; [L172] int tmp___1 ; [L173] int tmp___2 ; [L176] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L178] COND TRUE 1 [L180] COND TRUE splverifierCounter < 4 [L186] tmp = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp)) [L196] tmp___0 = __VERIFIER_nondet_int() [L198] COND FALSE !(\read(tmp___0)) [L206] tmp___2 = __VERIFIER_nondet_int() [L208] COND FALSE !(\read(tmp___2)) [L214] tmp___1 = __VERIFIER_nondet_int() [L216] COND FALSE !(\read(tmp___1)) [L225] CALL timeShift() [L247] COND FALSE !(\read(pumpRunning)) [L254] COND TRUE \read(systemActive) [L256] FCALL processEnvironment() [L262] CALL __utac_acc__Specification4_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L144] RET, EXPR getWaterLevel() [L144] tmp = getWaterLevel() [L146] COND FALSE !(tmp == 0) [L262] RET __utac_acc__Specification4_spec__1() [L225] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:47:56,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd834b-8e8e-4d0f-9d2f-6e1e3d73d076/bin/uautomizer-verify-VRDe98Ueme/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)