./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC --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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:48:36,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:48:36,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:48:36,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:48:36,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:48:36,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:48:36,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:48:36,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:48:36,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:48:36,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:48:36,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:48:36,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:48:36,955 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:48:36,955 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:48:36,955 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:48:36,955 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:48:36,955 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:48:36,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:48:36,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:48:36,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:48:36,957 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:48:36,957 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:48:36,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:48:36,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:48:36,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:48:36,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:48:36,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:48:36,957 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:48:36,958 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_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC 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 -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2024-11-24 00:48:37,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:48:37,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:48:37,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:48:37,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:48:37,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:48:37,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-11-24 00:48:40,306 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/data/f4b6bee3a/8db24de51af2493090353bf4caba779f/FLAG896eac7fd [2024-11-24 00:48:40,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:48:40,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-11-24 00:48:40,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/data/f4b6bee3a/8db24de51af2493090353bf4caba779f/FLAG896eac7fd [2024-11-24 00:48:40,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/data/f4b6bee3a/8db24de51af2493090353bf4caba779f [2024-11-24 00:48:40,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:48:40,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:48:40,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:40,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:48:40,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:48:40,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:40" (1/1) ... [2024-11-24 00:48:40,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292521ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:40, skipping insertion in model container [2024-11-24 00:48:40,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:40" (1/1) ... [2024-11-24 00:48:40,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:48:41,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:41,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:48:41,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-24 00:48:41,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] [2024-11-24 00:48:41,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2024-11-24 00:48:41,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] [2024-11-24 00:48:41,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] [2024-11-24 00:48:41,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] [2024-11-24 00:48:41,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] [2024-11-24 00:48:41,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] [2024-11-24 00:48:41,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:41,405 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:48:41,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41 WrapperNode [2024-11-24 00:48:41,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:41,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:41,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:48:41,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:48:41,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,544 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 528 [2024-11-24 00:48:41,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:41,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:48:41,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:48:41,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:48:41,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,573 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,613 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]. [2024-11-24 00:48:41,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:48:41,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:48:41,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:48:41,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:48:41,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (1/1) ... [2024-11-24 00:48:41,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:48:41,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:41,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:48:41,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:48:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:48:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:48:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:48:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:48:41,870 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:48:41,872 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:48:42,373 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-24 00:48:42,373 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:48:42,390 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:48:42,393 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:48:42,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:42 BoogieIcfgContainer [2024-11-24 00:48:42,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:48:42,395 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:48:42,395 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:48:42,401 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:48:42,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:48:42,403 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:48:40" (1/3) ... [2024-11-24 00:48:42,404 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c2f6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:48:42, skipping insertion in model container [2024-11-24 00:48:42,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:48:42,404 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:41" (2/3) ... [2024-11-24 00:48:42,404 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c2f6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:48:42, skipping insertion in model container [2024-11-24 00:48:42,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:48:42,404 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:42" (3/3) ... [2024-11-24 00:48:42,407 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2024-11-24 00:48:42,471 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:48:42,472 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:48:42,473 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:48:42,473 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:48:42,473 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:48:42,473 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:48:42,473 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:48:42,473 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:48:42,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 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) [2024-11-24 00:48:42,509 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-24 00:48:42,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:48:42,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:48:42,520 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:42,520 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:42,520 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:48:42,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 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) [2024-11-24 00:48:42,531 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-24 00:48:42,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:48:42,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:48:42,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:42,532 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:42,538 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~9#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~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:48:42,538 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#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~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:48:42,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:42,544 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 00:48:42,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:48:42,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845437802] [2024-11-24 00:48:42,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:42,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:42,658 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:48:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:42,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:48:42,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:42,706 INFO L85 PathProgramCache]: Analyzing trace with hash 651952576, now seen corresponding path program 1 times [2024-11-24 00:48:42,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:48:42,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756423464] [2024-11-24 00:48:42,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:42,724 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:48:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:42,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:48:42,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash 508170167, now seen corresponding path program 1 times [2024-11-24 00:48:42,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:48:42,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868171310] [2024-11-24 00:48:42,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:43,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:48:43,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868171310] [2024-11-24 00:48:43,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868171310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:43,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457216840] [2024-11-24 00:48:43,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:43,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:43,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:43,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:48:43,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:48:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:43,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:48:43,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:43,218 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:43,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457216840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:48:43,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:48:43,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 00:48:43,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643801686] [2024-11-24 00:48:43,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:48:43,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:48:43,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:48:43,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:48:43,404 INFO L87 Difference]: Start difference. First operand has 159 states, 158 states have (on average 1.3544303797468353) internal successors, (214), 158 states have internal predecessors, (214), 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) [2024-11-24 00:48:43,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:43,555 INFO L93 Difference]: Finished difference Result 363 states and 474 transitions. [2024-11-24 00:48:43,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 363 states and 474 transitions. [2024-11-24 00:48:43,569 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 231 [2024-11-24 00:48:43,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 363 states to 333 states and 444 transitions. [2024-11-24 00:48:43,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 333 [2024-11-24 00:48:43,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 333 [2024-11-24 00:48:43,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 333 states and 444 transitions. [2024-11-24 00:48:43,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:48:43,592 INFO L218 hiAutomatonCegarLoop]: Abstraction has 333 states and 444 transitions. [2024-11-24 00:48:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states and 444 transitions. [2024-11-24 00:48:43,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 196. [2024-11-24 00:48:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 196 states have (on average 1.336734693877551) internal successors, (262), 195 states have internal predecessors, (262), 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) [2024-11-24 00:48:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 262 transitions. [2024-11-24 00:48:43,634 INFO L240 hiAutomatonCegarLoop]: Abstraction has 196 states and 262 transitions. [2024-11-24 00:48:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:48:43,639 INFO L425 stractBuchiCegarLoop]: Abstraction has 196 states and 262 transitions. [2024-11-24 00:48:43,639 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:48:43,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 262 transitions. [2024-11-24 00:48:43,641 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2024-11-24 00:48:43,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:48:43,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:48:43,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:43,642 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] [2024-11-24 00:48:43,642 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~9#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~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:48:43,642 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#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~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:48:43,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:43,643 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 00:48:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:48:43,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120744279] [2024-11-24 00:48:43,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:43,653 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:48:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:43,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:48:43,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:43,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1446718627, now seen corresponding path program 1 times [2024-11-24 00:48:43,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:48:43,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556960651] [2024-11-24 00:48:43,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:43,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:43,677 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:48:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:43,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:48:43,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:43,690 INFO L85 PathProgramCache]: Analyzing trace with hash -74192954, now seen corresponding path program 1 times [2024-11-24 00:48:43,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:48:43,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816419726] [2024-11-24 00:48:43,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:43,716 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:48:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:43,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:48:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:44,921 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:48:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:44,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:48:44 BoogieIcfgContainer [2024-11-24 00:48:44,999 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:48:44,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:48:45,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:48:45,000 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:48:45,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:42" (3/4) ... [2024-11-24 00:48:45,002 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:48:45,041 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:48:45,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:48:45,042 INFO L158 Benchmark]: Toolchain (without parser) took 4288.92ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 102.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-24 00:48:45,042 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:48:45,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.19ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 98.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:48:45,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.90ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 95.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:48:45,043 INFO L158 Benchmark]: Boogie Preprocessor took 136.15ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 92.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:48:45,043 INFO L158 Benchmark]: RCFGBuilder took 711.61ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 68.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:48:45,043 INFO L158 Benchmark]: BuchiAutomizer took 2604.07ms. Allocated memory is still 142.6MB. Free memory was 68.0MB in the beginning and 105.6MB in the end (delta: -37.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:48:45,044 INFO L158 Benchmark]: Witness Printer took 41.66ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 102.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:48:45,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.19ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 98.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.90ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 95.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.15ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 92.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 711.61ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 68.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2604.07ms. Allocated memory is still 142.6MB. Free memory was 68.0MB in the beginning and 105.6MB in the end (delta: -37.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.66ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 102.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] - GenericResultAtLocation [Line: 387]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] * 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 196 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 137 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, 549 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 549 mSDsluCounter, 1056 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 850 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 206 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 67]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L557] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L754] int methAndRunningLastTime ; [L793] int cleanupTimeShifts = 4; [L891] int waterLevel = 1; [L892] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L867] int retValue_acc ; [L868] int tmp ; [L872] FCALL select_helpers() [L873] FCALL select_features() [L874] CALL, EXPR valid_product() [L379] int retValue_acc ; [L382] retValue_acc = 1 [L383] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] RET, EXPR valid_product() [L874] tmp = valid_product() [L876] COND TRUE \read(tmp) [L878] FCALL setup() [L879] CALL runTest() [L860] CALL __utac_acc__Specification2_spec__1() [L759] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] RET __utac_acc__Specification2_spec__1() [L861] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L156] CALL processEnvironment() [L202] int tmp ; [L205] COND FALSE !(\read(pumpRunning)) [L220] CALL processEnvironment__wrappee__methaneQuery() [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L194] FCALL processEnvironment__wrappee__base() [L220] RET processEnvironment__wrappee__methaneQuery() [L156] RET processEnvironment() [L162] CALL __utac_acc__Specification2_spec__2() [L764] int tmp ; [L765] int tmp___0 ; [L769] CALL, EXPR isMethaneLevelCritical() [L930] int retValue_acc ; [L933] retValue_acc = methaneLevelCritical [L934] return (retValue_acc); [L769] RET, EXPR isMethaneLevelCritical() [L769] tmp = isMethaneLevelCritical() [L771] COND FALSE !(\read(tmp)) [L787] methAndRunningLastTime = 0 [L162] RET __utac_acc__Specification2_spec__2() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 67]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L557] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L754] int methAndRunningLastTime ; [L793] int cleanupTimeShifts = 4; [L891] int waterLevel = 1; [L892] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L867] int retValue_acc ; [L868] int tmp ; [L872] FCALL select_helpers() [L873] FCALL select_features() [L874] CALL, EXPR valid_product() [L379] int retValue_acc ; [L382] retValue_acc = 1 [L383] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] RET, EXPR valid_product() [L874] tmp = valid_product() [L876] COND TRUE \read(tmp) [L878] FCALL setup() [L879] CALL runTest() [L860] CALL __utac_acc__Specification2_spec__1() [L759] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] RET __utac_acc__Specification2_spec__1() [L861] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L156] CALL processEnvironment() [L202] int tmp ; [L205] COND FALSE !(\read(pumpRunning)) [L220] CALL processEnvironment__wrappee__methaneQuery() [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L194] FCALL processEnvironment__wrappee__base() [L220] RET processEnvironment__wrappee__methaneQuery() [L156] RET processEnvironment() [L162] CALL __utac_acc__Specification2_spec__2() [L764] int tmp ; [L765] int tmp___0 ; [L769] CALL, EXPR isMethaneLevelCritical() [L930] int retValue_acc ; [L933] retValue_acc = methaneLevelCritical [L934] return (retValue_acc); [L769] RET, EXPR isMethaneLevelCritical() [L769] tmp = isMethaneLevelCritical() [L771] COND FALSE !(\read(tmp)) [L787] methAndRunningLastTime = 0 [L162] RET __utac_acc__Specification2_spec__2() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:48:45,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:48:45,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ff247-ddf7-4404-886a-fb7c2f6e99c6/bin/uautomizer-verify-LYvppIcaGC/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)