./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1 --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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:44:48,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:44:48,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 15:44:48,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:44:48,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:44:48,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:44:48,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:44:48,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:44:48,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:44:48,513 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:44:48,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:44:48,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:44:48,513 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:44:48,513 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 15:44:48,513 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 15:44:48,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:44:48,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:44:48,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:44:48,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:44:48,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:44:48,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:44:48,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 15:44:48,516 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 15:44:48,516 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1 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 -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2024-12-02 15:44:48,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:44:48,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:44:48,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:44:48,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:44:48,736 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:44:48,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2024-12-02 15:44:51,328 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/data/0130a66ac/8cae47ccb0574b3aa895c4dfbccff3e2/FLAGea9d4fc71 [2024-12-02 15:44:51,549 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:44:51,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2024-12-02 15:44:51,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/data/0130a66ac/8cae47ccb0574b3aa895c4dfbccff3e2/FLAGea9d4fc71 [2024-12-02 15:44:51,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/data/0130a66ac/8cae47ccb0574b3aa895c4dfbccff3e2 [2024-12-02 15:44:51,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:44:51,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:44:51,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:44:51,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:44:51,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:44:51,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:44:51" (1/1) ... [2024-12-02 15:44:51,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330deb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:51, skipping insertion in model container [2024-12-02 15:44:51,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:44:51" (1/1) ... [2024-12-02 15:44:51,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:44:52,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:44:52,188 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:44:52,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-12-02 15:44:52,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [415] [2024-12-02 15:44:52,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [457] [2024-12-02 15:44:52,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [562] [2024-12-02 15:44:52,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] [2024-12-02 15:44:52,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [664] [2024-12-02 15:44:52,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] [2024-12-02 15:44:52,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [879] [2024-12-02 15:44:52,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:44:52,262 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:44:52,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52 WrapperNode [2024-12-02 15:44:52,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:44:52,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:44:52,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:44:52,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:44:52,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,311 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 521 [2024-12-02 15:44:52,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:44:52,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:44:52,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:44:52,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:44:52,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,338 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]. [2024-12-02 15:44:52,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:44:52,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:44:52,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:44:52,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:44:52,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (1/1) ... [2024-12-02 15:44:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 15:44:52,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:44:52,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 15:44:52,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 15:44:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:44:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:44:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:44:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:44:52,477 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:44:52,478 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:44:52,793 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-12-02 15:44:52,793 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:44:52,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:44:52,805 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 15:44:52,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:44:52 BoogieIcfgContainer [2024-12-02 15:44:52,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:44:52,806 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 15:44:52,806 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 15:44:52,811 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 15:44:52,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 15:44:52,812 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 03:44:51" (1/3) ... [2024-12-02 15:44:52,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f759da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 03:44:52, skipping insertion in model container [2024-12-02 15:44:52,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 15:44:52,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:52" (2/3) ... [2024-12-02 15:44:52,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f759da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 03:44:52, skipping insertion in model container [2024-12-02 15:44:52,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 15:44:52,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:44:52" (3/3) ... [2024-12-02 15:44:52,815 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2024-12-02 15:44:52,861 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 15:44:52,862 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 15:44:52,862 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 15:44:52,862 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 15:44:52,862 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 15:44:52,862 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 15:44:52,862 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 15:44:52,862 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 15:44:52,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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) [2024-12-02 15:44:52,887 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-12-02 15:44:52,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 15:44:52,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 15:44:52,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:52,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:52,892 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 15:44:52,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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) [2024-12-02 15:44:52,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-12-02 15:44:52,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 15:44:52,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 15:44:52,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:52,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:52,904 INFO L747 eck$LassoCheckResult]: Stem: "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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 15:44:52,904 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 15:44:52,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:52,908 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-12-02 15:44:52,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 15:44:52,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212747824] [2024-12-02 15:44:52,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:52,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:52,981 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:44:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 15:44:53,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1457851456, now seen corresponding path program 1 times [2024-12-02 15:44:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 15:44:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783149950] [2024-12-02 15:44:53,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,023 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:44:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 15:44:53,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:53,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1314069047, now seen corresponding path program 1 times [2024-12-02 15:44:53,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 15:44:53,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187602403] [2024-12-02 15:44:53,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:53,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:53,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 15:44:53,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187602403] [2024-12-02 15:44:53,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187602403] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:44:53,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353388822] [2024-12-02 15:44:53,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:53,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:44:53,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:44:53,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:44:53,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:44:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:53,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:44:53,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:44:53,330 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:44:53,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353388822] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:44:53,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:44:53,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 15:44:53,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961690284] [2024-12-02 15:44:53,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:44:53,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 15:44:53,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:44:53,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:44:53,468 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-12-02 15:44:53,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:53,539 INFO L93 Difference]: Finished difference Result 149 states and 192 transitions. [2024-12-02 15:44:53,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 192 transitions. [2024-12-02 15:44:53,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2024-12-02 15:44:53,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 139 states and 182 transitions. [2024-12-02 15:44:53,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2024-12-02 15:44:53,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2024-12-02 15:44:53,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 182 transitions. [2024-12-02 15:44:53,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 15:44:53,552 INFO L218 hiAutomatonCegarLoop]: Abstraction has 139 states and 182 transitions. [2024-12-02 15:44:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 182 transitions. [2024-12-02 15:44:53,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-12-02 15:44:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3093525179856116) internal successors, (182), 138 states have internal predecessors, (182), 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) [2024-12-02 15:44:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 182 transitions. [2024-12-02 15:44:53,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 182 transitions. [2024-12-02 15:44:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:44:53,586 INFO L425 stractBuchiCegarLoop]: Abstraction has 139 states and 182 transitions. [2024-12-02 15:44:53,586 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 15:44:53,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 182 transitions. [2024-12-02 15:44:53,588 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2024-12-02 15:44:53,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 15:44:53,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 15:44:53,589 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:53,589 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] [2024-12-02 15:44:53,589 INFO L747 eck$LassoCheckResult]: Stem: "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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 15:44:53,589 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 15:44:53,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:53,590 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-12-02 15:44:53,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 15:44:53,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108307944] [2024-12-02 15:44:53,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:53,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,598 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:44:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 15:44:53,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:53,607 INFO L85 PathProgramCache]: Analyzing trace with hash 27143058, now seen corresponding path program 1 times [2024-12-02 15:44:53,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 15:44:53,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779635475] [2024-12-02 15:44:53,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:53,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,613 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:44:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 15:44:53,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:53,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1399668731, now seen corresponding path program 1 times [2024-12-02 15:44:53,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 15:44:53,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843694948] [2024-12-02 15:44:53,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:53,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,630 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:44:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:53,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 15:44:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:54,482 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:44:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:44:54,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 03:44:54 BoogieIcfgContainer [2024-12-02 15:44:54,531 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 15:44:54,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:44:54,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:44:54,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:44:54,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:44:52" (3/4) ... [2024-12-02 15:44:54,534 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 15:44:54,565 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 15:44:54,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:44:54,566 INFO L158 Benchmark]: Toolchain (without parser) took 2658.73ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 91.9MB in the end (delta: 24.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-12-02 15:44:54,566 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:44:54,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.96ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 97.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:44:54,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.57ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:44:54,567 INFO L158 Benchmark]: Boogie Preprocessor took 45.94ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 92.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:44:54,567 INFO L158 Benchmark]: RCFGBuilder took 447.47ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 67.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:44:54,568 INFO L158 Benchmark]: BuchiAutomizer took 1725.08ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 95.1MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:44:54,568 INFO L158 Benchmark]: Witness Printer took 33.43ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:44:54,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.96ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 97.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.57ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.94ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 92.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 447.47ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 67.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1725.08ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 95.1MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.43ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.2MB). There was no memory consumed. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [415] - GenericResultAtLocation [Line: 457]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [457] - GenericResultAtLocation [Line: 562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [562] - GenericResultAtLocation [Line: 655]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [664] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] - GenericResultAtLocation [Line: 879]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [879] * 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 7 locations. The remainder module has 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 556 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 187 mSDtfsCounter, 18 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: 892]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int methAndRunningLastTime ; [L458] int cleanupTimeShifts = 4; [L567] int waterLevel = 1; [L568] int methaneLevelCritical = 0; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L540] int retValue_acc ; [L541] int tmp ; [L545] FCALL select_helpers() [L546] FCALL select_features() [L547] CALL, EXPR valid_product() [L691] int retValue_acc ; [L694] retValue_acc = 1 [L695] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L547] RET, EXPR valid_product() [L547] tmp = valid_product() [L549] COND TRUE \read(tmp) [L551] FCALL setup() [L552] CALL runTest() [L530] CALL __utac_acc__Specification2_spec__1() [L424] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] RET __utac_acc__Specification2_spec__1() [L531] CALL test() [L881] int splverifierCounter ; [L882] int tmp ; [L883] int tmp___0 ; [L884] int tmp___1 ; [L885] int tmp___2 ; [L888] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L892] COND TRUE splverifierCounter < 4 [L898] tmp = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp)) [L908] tmp___0 = __VERIFIER_nondet_int() [L910] COND FALSE !(\read(tmp___0)) [L918] tmp___2 = __VERIFIER_nondet_int() [L920] COND TRUE \read(tmp___2) [L933] CALL timeShift() [L709] COND FALSE !(\read(pumpRunning)) [L716] COND TRUE \read(systemActive) [L718] CALL processEnvironment() [L764] int tmp ; [L767] COND FALSE !(\read(pumpRunning)) [L782] CALL processEnvironment__wrappee__lowWaterSensor() [L738] int tmp ; [L741] COND FALSE !(\read(pumpRunning)) [L756] FCALL processEnvironment__wrappee__base() [L782] RET processEnvironment__wrappee__lowWaterSensor() [L718] RET processEnvironment() [L724] CALL __utac_acc__Specification2_spec__2() [L429] int tmp ; [L430] int tmp___0 ; [L434] CALL, EXPR isMethaneLevelCritical() [L606] int retValue_acc ; [L609] retValue_acc = methaneLevelCritical [L610] return (retValue_acc); [L434] RET, EXPR isMethaneLevelCritical() [L434] tmp = isMethaneLevelCritical() [L436] COND FALSE !(\read(tmp)) [L452] methAndRunningLastTime = 0 [L724] RET __utac_acc__Specification2_spec__2() [L933] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 892]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int methAndRunningLastTime ; [L458] int cleanupTimeShifts = 4; [L567] int waterLevel = 1; [L568] int methaneLevelCritical = 0; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L540] int retValue_acc ; [L541] int tmp ; [L545] FCALL select_helpers() [L546] FCALL select_features() [L547] CALL, EXPR valid_product() [L691] int retValue_acc ; [L694] retValue_acc = 1 [L695] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L547] RET, EXPR valid_product() [L547] tmp = valid_product() [L549] COND TRUE \read(tmp) [L551] FCALL setup() [L552] CALL runTest() [L530] CALL __utac_acc__Specification2_spec__1() [L424] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] RET __utac_acc__Specification2_spec__1() [L531] CALL test() [L881] int splverifierCounter ; [L882] int tmp ; [L883] int tmp___0 ; [L884] int tmp___1 ; [L885] int tmp___2 ; [L888] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L892] COND TRUE splverifierCounter < 4 [L898] tmp = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp)) [L908] tmp___0 = __VERIFIER_nondet_int() [L910] COND FALSE !(\read(tmp___0)) [L918] tmp___2 = __VERIFIER_nondet_int() [L920] COND TRUE \read(tmp___2) [L933] CALL timeShift() [L709] COND FALSE !(\read(pumpRunning)) [L716] COND TRUE \read(systemActive) [L718] CALL processEnvironment() [L764] int tmp ; [L767] COND FALSE !(\read(pumpRunning)) [L782] CALL processEnvironment__wrappee__lowWaterSensor() [L738] int tmp ; [L741] COND FALSE !(\read(pumpRunning)) [L756] FCALL processEnvironment__wrappee__base() [L782] RET processEnvironment__wrappee__lowWaterSensor() [L718] RET processEnvironment() [L724] CALL __utac_acc__Specification2_spec__2() [L429] int tmp ; [L430] int tmp___0 ; [L434] CALL, EXPR isMethaneLevelCritical() [L606] int retValue_acc ; [L609] retValue_acc = methaneLevelCritical [L610] return (retValue_acc); [L434] RET, EXPR isMethaneLevelCritical() [L434] tmp = isMethaneLevelCritical() [L436] COND FALSE !(\read(tmp)) [L452] methAndRunningLastTime = 0 [L724] RET __utac_acc__Specification2_spec__2() [L933] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 15:44:54,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:44:54,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07d6b25-e229-4a4c-bd4a-e22083a742d3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)