./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product34.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_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB --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 2a152d19fa28b0169076b34a0513a75c542cc933ab1c694f300fdf3273b66e93 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:33:48,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:33:48,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 20:33:48,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:33:48,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:33:48,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:33:48,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:33:48,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:33:48,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:33:48,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:33:48,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:33:48,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:33:48,472 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:33:48,472 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:33:48,472 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:33:48,473 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:33:48,473 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:33:48,473 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:33:48,473 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:33:48,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:33:48,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:33:48,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:33:48,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:33:48,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:33:48,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:33:48,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:33:48,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:33:48,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:33:48,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:33:48,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:33:48,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:33:48,475 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:33:48,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:33:48,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:33:48,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:33:48,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:33:48,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:33:48,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:33:48,476 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:33:48,476 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_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2a152d19fa28b0169076b34a0513a75c542cc933ab1c694f300fdf3273b66e93 [2024-11-27 20:33:48,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:33:48,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:33:48,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:33:48,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:33:48,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:33:48,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c [2024-11-27 20:33:51,931 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/data/6878adc17/5fb595bad54b41248c274316b17b681b/FLAGc3f3d83e8 [2024-11-27 20:33:52,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:33:52,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c [2024-11-27 20:33:52,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/data/6878adc17/5fb595bad54b41248c274316b17b681b/FLAGc3f3d83e8 [2024-11-27 20:33:52,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/data/6878adc17/5fb595bad54b41248c274316b17b681b [2024-11-27 20:33:52,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:33:52,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:33:52,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:33:52,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:33:52,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:33:52,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:52,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b674da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52, skipping insertion in model container [2024-11-27 20:33:52,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:52,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:33:52,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:33:52,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:33:52,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2024-11-27 20:33:52,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] [2024-11-27 20:33:52,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [182] [2024-11-27 20:33:52,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [217] [2024-11-27 20:33:52,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [285] [2024-11-27 20:33:52,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [451] [2024-11-27 20:33:52,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [545] [2024-11-27 20:33:52,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [554] [2024-11-27 20:33:52,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:33:52,923 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:33:52,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52 WrapperNode [2024-11-27 20:33:52,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:33:52,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:33:52,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:33:52,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:33:52,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:52,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:52,981 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 51, statements flattened = 340 [2024-11-27 20:33:52,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:33:52,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:33:52,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:33:52,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:33:52,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:52,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,000 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,030 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]. [2024-11-27 20:33:53,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,045 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:33:53,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:33:53,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:33:53,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:33:53,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (1/1) ... [2024-11-27 20:33:53,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:33:53,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:53,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:33:53,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:33:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:33:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:33:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:33:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:33:53,255 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:33:53,257 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:33:53,657 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-27 20:33:53,657 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:33:53,674 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:33:53,674 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 20:33:53,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:33:53 BoogieIcfgContainer [2024-11-27 20:33:53,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:33:53,676 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:33:53,676 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:33:53,683 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:33:53,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:33:53,686 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:33:52" (1/3) ... [2024-11-27 20:33:53,687 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@301a5906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:33:53, skipping insertion in model container [2024-11-27 20:33:53,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:33:53,688 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:52" (2/3) ... [2024-11-27 20:33:53,689 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@301a5906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:33:53, skipping insertion in model container [2024-11-27 20:33:53,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:33:53,690 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:33:53" (3/3) ... [2024-11-27 20:33:53,692 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product34.cil.c [2024-11-27 20:33:53,768 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:33:53,768 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:33:53,769 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:33:53,769 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:33:53,769 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:33:53,769 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:33:53,769 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:33:53,769 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:33:53,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) [2024-11-27 20:33:53,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-27 20:33:53,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:53,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:53,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:53,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:53,818 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:33:53,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) [2024-11-27 20:33:53,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-27 20:33:53,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:53,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:53,834 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:53,834 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:53,841 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-27 20:33:53,842 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet11#1;test_~tmp___1~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-27 20:33:53,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:53,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-27 20:33:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:53,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819279546] [2024-11-27 20:33:53,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:53,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:53,996 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:54,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:54,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:54,058 INFO L85 PathProgramCache]: Analyzing trace with hash 36895440, now seen corresponding path program 1 times [2024-11-27 20:33:54,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:54,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004701773] [2024-11-27 20:33:54,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:54,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:54,079 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:54,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:54,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:54,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1392314516, now seen corresponding path program 1 times [2024-11-27 20:33:54,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:54,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065811889] [2024-11-27 20:33:54,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:54,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:54,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:54,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065811889] [2024-11-27 20:33:54,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065811889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:54,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904396231] [2024-11-27 20:33:54,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:54,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:54,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:54,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:54,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:33:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:54,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:33:54,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:54,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:54,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904396231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:54,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:54,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-27 20:33:54,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472155242] [2024-11-27 20:33:54,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:54,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:33:54,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:33:54,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:33:54,941 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) [2024-11-27 20:33:55,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:33:55,087 INFO L93 Difference]: Finished difference Result 101 states and 129 transitions. [2024-11-27 20:33:55,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 129 transitions. [2024-11-27 20:33:55,094 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-27 20:33:55,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 119 transitions. [2024-11-27 20:33:55,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2024-11-27 20:33:55,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2024-11-27 20:33:55,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 119 transitions. [2024-11-27 20:33:55,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:33:55,119 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-27 20:33:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 119 transitions. [2024-11-27 20:33:55,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-27 20:33:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 90 states have internal predecessors, (119), 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) [2024-11-27 20:33:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2024-11-27 20:33:55,166 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-27 20:33:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:33:55,175 INFO L425 stractBuchiCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-27 20:33:55,175 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:33:55,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 119 transitions. [2024-11-27 20:33:55,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-27 20:33:55,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:55,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:55,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:55,182 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] [2024-11-27 20:33:55,183 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-27 20:33:55,183 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet11#1;test_~tmp___1~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-27 20:33:55,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:55,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-27 20:33:55,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:55,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461043399] [2024-11-27 20:33:55,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:55,210 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:55,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:55,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:55,241 INFO L85 PathProgramCache]: Analyzing trace with hash 962736539, now seen corresponding path program 1 times [2024-11-27 20:33:55,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:55,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051012317] [2024-11-27 20:33:55,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:55,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:55,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051012317] [2024-11-27 20:33:55,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051012317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:55,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001467870] [2024-11-27 20:33:55,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:55,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:55,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:33:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:55,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:33:55,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:55,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:55,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001467870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:55,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:55,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:33:55,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851428491] [2024-11-27 20:33:55,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:55,393 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:33:55,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:33:55,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:33:55,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:33:55,398 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. cyclomatic complexity: 30 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-27 20:33:55,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:33:55,492 INFO L93 Difference]: Finished difference Result 142 states and 180 transitions. [2024-11-27 20:33:55,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 180 transitions. [2024-11-27 20:33:55,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-27 20:33:55,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 180 transitions. [2024-11-27 20:33:55,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2024-11-27 20:33:55,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2024-11-27 20:33:55,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 180 transitions. [2024-11-27 20:33:55,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:33:55,503 INFO L218 hiAutomatonCegarLoop]: Abstraction has 142 states and 180 transitions. [2024-11-27 20:33:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 180 transitions. [2024-11-27 20:33:55,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-27 20:33:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.267605633802817) internal successors, (180), 141 states have internal predecessors, (180), 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) [2024-11-27 20:33:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 180 transitions. [2024-11-27 20:33:55,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 180 transitions. [2024-11-27 20:33:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:33:55,524 INFO L425 stractBuchiCegarLoop]: Abstraction has 142 states and 180 transitions. [2024-11-27 20:33:55,524 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:33:55,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 180 transitions. [2024-11-27 20:33:55,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-27 20:33:55,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:55,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:55,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:55,529 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, 1, 1, 1, 1, 1] [2024-11-27 20:33:55,529 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-27 20:33:55,530 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet11#1;test_~tmp___1~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret22#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret22#1;havoc isHighWaterLevel_#t~ret22#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment_#t~ret12#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret12#1;havoc processEnvironment_#t~ret12#1;" "assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-27 20:33:55,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:55,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-27 20:33:55,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:55,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546093377] [2024-11-27 20:33:55,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:55,551 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:55,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:55,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:55,577 INFO L85 PathProgramCache]: Analyzing trace with hash 772650213, now seen corresponding path program 1 times [2024-11-27 20:33:55,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:55,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740247324] [2024-11-27 20:33:55,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:55,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:55,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740247324] [2024-11-27 20:33:55,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740247324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:55,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452635825] [2024-11-27 20:33:55,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:55,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:55,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:55,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:33:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:55,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:33:55,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:55,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:55,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452635825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:55,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:55,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-27 20:33:55,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889336190] [2024-11-27 20:33:55,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:55,765 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:33:55,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:33:55,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:33:55,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:33:55,766 INFO L87 Difference]: Start difference. First operand 142 states and 180 transitions. cyclomatic complexity: 40 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-27 20:33:55,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:33:55,850 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2024-11-27 20:33:55,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 186 transitions. [2024-11-27 20:33:55,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-27 20:33:55,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 186 transitions. [2024-11-27 20:33:55,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2024-11-27 20:33:55,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2024-11-27 20:33:55,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 186 transitions. [2024-11-27 20:33:55,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:33:55,859 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-11-27 20:33:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 186 transitions. [2024-11-27 20:33:55,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-27 20:33:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.2567567567567568) internal successors, (186), 147 states have internal predecessors, (186), 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) [2024-11-27 20:33:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 186 transitions. [2024-11-27 20:33:55,928 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-11-27 20:33:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:33:55,933 INFO L425 stractBuchiCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-11-27 20:33:55,933 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 20:33:55,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 186 transitions. [2024-11-27 20:33:55,935 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-27 20:33:55,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:55,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:55,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:55,940 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, 1, 1, 1, 1, 1] [2024-11-27 20:33:55,940 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-27 20:33:55,940 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet11#1;test_~tmp___1~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret22#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret22#1;havoc isHighWaterLevel_#t~ret22#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment_#t~ret12#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret12#1;havoc processEnvironment_#t~ret12#1;" "assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-27 20:33:55,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:55,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-27 20:33:55,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:55,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322868162] [2024-11-27 20:33:55,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:55,957 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:55,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:55,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:55,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1359456227, now seen corresponding path program 1 times [2024-11-27 20:33:55,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:55,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232394501] [2024-11-27 20:33:55,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:55,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:56,002 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:56,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:56,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:56,022 INFO L85 PathProgramCache]: Analyzing trace with hash 108451487, now seen corresponding path program 1 times [2024-11-27 20:33:56,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:56,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759445920] [2024-11-27 20:33:56,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:56,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:56,046 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:56,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:57,303 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:57,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:33:57 BoogieIcfgContainer [2024-11-27 20:33:57,382 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:33:57,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:33:57,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:33:57,383 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:33:57,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:33:53" (3/4) ... [2024-11-27 20:33:57,386 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-27 20:33:57,442 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:33:57,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:33:57,443 INFO L158 Benchmark]: Toolchain (without parser) took 5156.48ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 78.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-27 20:33:57,443 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:33:57,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.15ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 73.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:33:57,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.35ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 71.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:33:57,444 INFO L158 Benchmark]: Boogie Preprocessor took 76.36ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:33:57,444 INFO L158 Benchmark]: RCFGBuilder took 615.68ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 51.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:33:57,445 INFO L158 Benchmark]: BuchiAutomizer took 3705.85ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 80.6MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:33:57,446 INFO L158 Benchmark]: Witness Printer took 59.32ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:33:57,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.15ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 73.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.35ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 71.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.36ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 615.68ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 51.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3705.85ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 80.6MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.32ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.3MB in the end (delta: 2.3MB). 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [182] - GenericResultAtLocation [Line: 217]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [217] - GenericResultAtLocation [Line: 285]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [285] - GenericResultAtLocation [Line: 451]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [451] - GenericResultAtLocation [Line: 545]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [545] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [554] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 148 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 442 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 442 mSDsluCounter, 891 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 373 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 231]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L79] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L452] int waterLevel = 1; [L453] int methaneLevelCritical = 0; [L724] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L209] int retValue_acc ; [L212] retValue_acc = 1 [L213] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L220] int splverifierCounter ; [L221] int tmp ; [L222] int tmp___0 ; [L223] int tmp___1 ; [L224] int tmp___2 ; [L227] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L231] COND TRUE splverifierCounter < 4 [L237] tmp = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp)) [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND FALSE !(\read(tmp___2)) [L265] tmp___1 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___1) [L274] CALL timeShift() [L299] COND FALSE !(\read(pumpRunning)) [L306] COND TRUE \read(systemActive) [L308] CALL processEnvironment() [L328] int tmp ; [L331] COND TRUE ! pumpRunning [L333] CALL, EXPR isHighWaterLevel() [L425] int retValue_acc ; [L426] int tmp ; [L427] int tmp___0 ; [L431] CALL, EXPR isHighWaterSensorDry() [L532] int retValue_acc ; [L535] COND TRUE waterLevel < 2 [L536] retValue_acc = 1 [L537] return (retValue_acc); [L431] RET, EXPR isHighWaterSensorDry() [L431] tmp = isHighWaterSensorDry() [L433] COND TRUE \read(tmp) [L434] tmp___0 = 0 [L438] retValue_acc = tmp___0 [L439] return (retValue_acc); [L333] RET, EXPR isHighWaterLevel() [L333] tmp = isHighWaterLevel() [L335] COND FALSE !(\read(tmp)) [L341] FCALL processEnvironment__wrappee__base() [L308] RET processEnvironment() [L314] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L523] int retValue_acc ; [L526] retValue_acc = waterLevel [L527] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L314] RET __utac_acc__Specification4_spec__1() [L274] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 231]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L79] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L452] int waterLevel = 1; [L453] int methaneLevelCritical = 0; [L724] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L209] int retValue_acc ; [L212] retValue_acc = 1 [L213] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L220] int splverifierCounter ; [L221] int tmp ; [L222] int tmp___0 ; [L223] int tmp___1 ; [L224] int tmp___2 ; [L227] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L231] COND TRUE splverifierCounter < 4 [L237] tmp = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp)) [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND FALSE !(\read(tmp___2)) [L265] tmp___1 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___1) [L274] CALL timeShift() [L299] COND FALSE !(\read(pumpRunning)) [L306] COND TRUE \read(systemActive) [L308] CALL processEnvironment() [L328] int tmp ; [L331] COND TRUE ! pumpRunning [L333] CALL, EXPR isHighWaterLevel() [L425] int retValue_acc ; [L426] int tmp ; [L427] int tmp___0 ; [L431] CALL, EXPR isHighWaterSensorDry() [L532] int retValue_acc ; [L535] COND TRUE waterLevel < 2 [L536] retValue_acc = 1 [L537] return (retValue_acc); [L431] RET, EXPR isHighWaterSensorDry() [L431] tmp = isHighWaterSensorDry() [L433] COND TRUE \read(tmp) [L434] tmp___0 = 0 [L438] retValue_acc = tmp___0 [L439] return (retValue_acc); [L333] RET, EXPR isHighWaterLevel() [L333] tmp = isHighWaterLevel() [L335] COND FALSE !(\read(tmp)) [L341] FCALL processEnvironment__wrappee__base() [L308] RET processEnvironment() [L314] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L523] int retValue_acc ; [L526] retValue_acc = waterLevel [L527] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L314] RET __utac_acc__Specification4_spec__1() [L274] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-27 20:33:57,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:33:57,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:33:57,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:33:58,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfac6764-c7dc-4290-917a-bd34cdf6975d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)