./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.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_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a980eb28c166cc2413133a58258bd0330d7e4ef715989f4b0f1fe0e46631b0a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:00:35,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:00:35,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-01 23:00:35,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:00:35,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:00:35,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:00:35,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:00:35,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:00:35,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:00:35,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:00:35,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:00:35,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:00:35,912 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:00:35,912 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-01 23:00:35,912 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-01 23:00:35,912 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-01 23:00:35,912 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-01 23:00:35,912 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-01 23:00:35,912 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-01 23:00:35,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-01 23:00:35,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:00:35,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:00:35,914 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-01 23:00:35,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:00:35,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:00:35,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:00:35,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:00:35,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:00:35,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-01 23:00:35,914 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-01 23:00:35,915 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_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a980eb28c166cc2413133a58258bd0330d7e4ef715989f4b0f1fe0e46631b0a [2024-12-01 23:00:36,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:00:36,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:00:36,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:00:36,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:00:36,171 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:00:36,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2024-12-01 23:00:38,851 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/data/906952b16/9bed09804b1f41c3812ccf7fbe1a73ed/FLAG731f127f5 [2024-12-01 23:00:39,098 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:00:39,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2024-12-01 23:00:39,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/data/906952b16/9bed09804b1f41c3812ccf7fbe1a73ed/FLAG731f127f5 [2024-12-01 23:00:39,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/data/906952b16/9bed09804b1f41c3812ccf7fbe1a73ed [2024-12-01 23:00:39,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:00:39,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:00:39,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:00:39,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:00:39,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:00:39,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307cd6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39, skipping insertion in model container [2024-12-01 23:00:39,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:00:39,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:00:39,688 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:00:39,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-12-01 23:00:39,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-12-01 23:00:39,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [247] [2024-12-01 23:00:39,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [613] [2024-12-01 23:00:39,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [778] [2024-12-01 23:00:39,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [845] [2024-12-01 23:00:39,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [880] [2024-12-01 23:00:39,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [915] [2024-12-01 23:00:39,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:00:39,757 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:00:39,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39 WrapperNode [2024-12-01 23:00:39,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:00:39,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:00:39,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:00:39,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:00:39,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,796 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 54, statements flattened = 361 [2024-12-01 23:00:39,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:00:39,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:00:39,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:00:39,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:00:39,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,819 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-01 23:00:39,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:00:39,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:00:39,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:00:39,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:00:39,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (1/1) ... [2024-12-01 23:00:39,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:00:39,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:00:39,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:00:39,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-01 23:00:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:00:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:00:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:00:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:00:39,939 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:00:39,940 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:00:40,173 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-12-01 23:00:40,173 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:00:40,183 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:00:40,184 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-01 23:00:40,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:00:40 BoogieIcfgContainer [2024-12-01 23:00:40,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:00:40,185 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-01 23:00:40,185 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-01 23:00:40,188 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-01 23:00:40,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:00:40,189 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 11:00:39" (1/3) ... [2024-12-01 23:00:40,190 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d0568e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 11:00:40, skipping insertion in model container [2024-12-01 23:00:40,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:00:40,190 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:00:39" (2/3) ... [2024-12-01 23:00:40,190 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d0568e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 11:00:40, skipping insertion in model container [2024-12-01 23:00:40,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:00:40,190 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:00:40" (3/3) ... [2024-12-01 23:00:40,191 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product18.cil.c [2024-12-01 23:00:40,227 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-01 23:00:40,227 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-01 23:00:40,228 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-01 23:00:40,228 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-01 23:00:40,228 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-01 23:00:40,228 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-01 23:00:40,228 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-01 23:00:40,228 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-01 23:00:40,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:00:40,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-12-01 23:00:40,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:00:40,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:00:40,253 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:00:40,253 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:00:40,253 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-01 23:00:40,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:00:40,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-12-01 23:00:40,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:00:40,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:00:40,259 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:00:40,259 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:00:40,262 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-01 23:00:40,262 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-01 23:00:40,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:40,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-01 23:00:40,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:40,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810940249] [2024-12-01 23:00:40,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:40,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,332 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:00:40,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:40,360 INFO L85 PathProgramCache]: Analyzing trace with hash -111036992, now seen corresponding path program 1 times [2024-12-01 23:00:40,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:40,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390810222] [2024-12-01 23:00:40,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,368 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:00:40,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1244382084, now seen corresponding path program 1 times [2024-12-01 23:00:40,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:40,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656200092] [2024-12-01 23:00:40,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:40,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:00:40,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-01 23:00:40,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656200092] [2024-12-01 23:00:40,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656200092] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:00:40,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194854033] [2024-12-01 23:00:40,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:40,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:00:40,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:00:40,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:00:40,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:00:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:00:40,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:00:40,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:00:40,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:00:40,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194854033] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:00:40,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:00:40,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-01 23:00:40,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976127242] [2024-12-01 23:00:40,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:00:40,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-01 23:00:40,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:00:40,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:00:40,797 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:00:40,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:00:40,862 INFO L93 Difference]: Finished difference Result 104 states and 132 transitions. [2024-12-01 23:00:40,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 132 transitions. [2024-12-01 23:00:40,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-12-01 23:00:40,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 94 states and 122 transitions. [2024-12-01 23:00:40,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2024-12-01 23:00:40,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2024-12-01 23:00:40,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 122 transitions. [2024-12-01 23:00:40,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-01 23:00:40,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 122 transitions. [2024-12-01 23:00:40,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 122 transitions. [2024-12-01 23:00:40,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-01 23:00:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.297872340425532) internal successors, (122), 93 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:00:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2024-12-01 23:00:40,893 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 122 transitions. [2024-12-01 23:00:40,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:00:40,897 INFO L425 stractBuchiCegarLoop]: Abstraction has 94 states and 122 transitions. [2024-12-01 23:00:40,897 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-01 23:00:40,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 122 transitions. [2024-12-01 23:00:40,898 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-12-01 23:00:40,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:00:40,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:00:40,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:00:40,898 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] [2024-12-01 23:00:40,899 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-01 23:00:40,899 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-01 23:00:40,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-01 23:00:40,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:40,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020720179] [2024-12-01 23:00:40,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:40,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,908 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:00:40,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:40,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1076334348, now seen corresponding path program 1 times [2024-12-01 23:00:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:40,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45876868] [2024-12-01 23:00:40,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:40,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,923 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:40,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:00:40,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:40,927 INFO L85 PathProgramCache]: Analyzing trace with hash -916489528, now seen corresponding path program 1 times [2024-12-01 23:00:40,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:40,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432030775] [2024-12-01 23:00:40,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:00:41,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-01 23:00:41,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432030775] [2024-12-01 23:00:41,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432030775] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:00:41,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425013681] [2024-12-01 23:00:41,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:41,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:00:41,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:00:41,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:00:41,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:00:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:00:41,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-01 23:00:41,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:00:41,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:00:41,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425013681] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:00:41,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:00:41,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-12-01 23:00:41,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87371807] [2024-12-01 23:00:41,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:00:41,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-01 23:00:41,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:00:41,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:00:41,227 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:00:41,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:00:41,297 INFO L93 Difference]: Finished difference Result 181 states and 233 transitions. [2024-12-01 23:00:41,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 181 states and 233 transitions. [2024-12-01 23:00:41,299 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 126 [2024-12-01 23:00:41,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 181 states to 181 states and 233 transitions. [2024-12-01 23:00:41,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 181 [2024-12-01 23:00:41,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2024-12-01 23:00:41,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 233 transitions. [2024-12-01 23:00:41,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-01 23:00:41,302 INFO L218 hiAutomatonCegarLoop]: Abstraction has 181 states and 233 transitions. [2024-12-01 23:00:41,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 233 transitions. [2024-12-01 23:00:41,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-12-01 23:00:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 181 states have (on average 1.287292817679558) internal successors, (233), 180 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:00:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 233 transitions. [2024-12-01 23:00:41,311 INFO L240 hiAutomatonCegarLoop]: Abstraction has 181 states and 233 transitions. [2024-12-01 23:00:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:00:41,312 INFO L425 stractBuchiCegarLoop]: Abstraction has 181 states and 233 transitions. [2024-12-01 23:00:41,313 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-01 23:00:41,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 181 states and 233 transitions. [2024-12-01 23:00:41,314 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 126 [2024-12-01 23:00:41,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:00:41,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:00:41,315 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:00:41,315 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] [2024-12-01 23:00:41,315 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-01 23:00:41,315 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#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~ret33#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-01 23:00:41,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:41,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-12-01 23:00:41,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:41,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834981493] [2024-12-01 23:00:41,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:41,322 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:41,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:00:41,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:41,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1521171296, now seen corresponding path program 1 times [2024-12-01 23:00:41,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:41,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846830559] [2024-12-01 23:00:41,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:41,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:41,333 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:41,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:00:41,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:00:41,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1069502116, now seen corresponding path program 1 times [2024-12-01 23:00:41,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:00:41,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735874100] [2024-12-01 23:00:41,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:00:41,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:00:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:41,347 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:41,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:00:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:42,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:00:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:00:42,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 11:00:42 BoogieIcfgContainer [2024-12-01 23:00:42,177 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-01 23:00:42,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:00:42,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:00:42,178 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:00:42,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:00:40" (3/4) ... [2024-12-01 23:00:42,180 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-01 23:00:42,217 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-01 23:00:42,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:00:42,218 INFO L158 Benchmark]: Toolchain (without parser) took 2782.60ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 66.4MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-12-01 23:00:42,218 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:00:42,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.84ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 97.6MB in the end (delta: 18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:00:42,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.06ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:00:42,219 INFO L158 Benchmark]: Boogie Preprocessor took 37.77ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:00:42,219 INFO L158 Benchmark]: RCFGBuilder took 349.41ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 73.4MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:00:42,220 INFO L158 Benchmark]: BuchiAutomizer took 1992.40ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 68.8MB in the end (delta: 4.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-12-01 23:00:42,220 INFO L158 Benchmark]: Witness Printer took 39.30ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:00:42,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.84ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 97.6MB in the end (delta: 18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.06ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.77ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 349.41ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 73.4MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1992.40ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 68.8MB in the end (delta: 4.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 39.30ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 247]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [247] - GenericResultAtLocation [Line: 613]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [613] - GenericResultAtLocation [Line: 778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [778] - GenericResultAtLocation [Line: 845]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [845] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [880] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [915] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 181 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 226 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 226 mSDsluCounter, 817 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 577 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 240 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 791]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L417] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L618] int pumpRunning = 0; [L619] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L872] int retValue_acc ; [L875] retValue_acc = 1 [L876] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp___2)) [L825] tmp___1 = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp___1) [L834] CALL timeShift() [L626] COND FALSE !(\read(pumpRunning)) [L633] COND TRUE \read(systemActive) [L635] CALL processEnvironment() [L655] int tmp ; [L658] COND FALSE !(\read(pumpRunning)) [L673] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment() [L641] CALL __utac_acc__Specification3_spec__1() [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L889] CALL, EXPR isMethaneLevelCritical() [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L889] RET, EXPR isMethaneLevelCritical() [L889] tmp = isMethaneLevelCritical() [L891] COND FALSE !(\read(tmp)) [L895] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L895] RET, EXPR getWaterLevel() [L895] tmp___0 = getWaterLevel() [L897] COND FALSE !(tmp___0 == 2) [L641] RET __utac_acc__Specification3_spec__1() [L834] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 791]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L417] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L618] int pumpRunning = 0; [L619] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L872] int retValue_acc ; [L875] retValue_acc = 1 [L876] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp___2)) [L825] tmp___1 = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp___1) [L834] CALL timeShift() [L626] COND FALSE !(\read(pumpRunning)) [L633] COND TRUE \read(systemActive) [L635] CALL processEnvironment() [L655] int tmp ; [L658] COND FALSE !(\read(pumpRunning)) [L673] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment() [L641] CALL __utac_acc__Specification3_spec__1() [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L889] CALL, EXPR isMethaneLevelCritical() [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L889] RET, EXPR isMethaneLevelCritical() [L889] tmp = isMethaneLevelCritical() [L891] COND FALSE !(\read(tmp)) [L895] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L895] RET, EXPR getWaterLevel() [L895] tmp___0 = getWaterLevel() [L897] COND FALSE !(tmp___0 == 2) [L641] RET __utac_acc__Specification3_spec__1() [L834] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-01 23:00:42,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-01 23:00:42,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:00:42,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f243e968-d5ea-469d-9f6f-06ccaf9abbc5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)