./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/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_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/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_47ce34e5-d3bf-49d2-b2fd-8329c801021d/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 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:53:52,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:53:52,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 05:53:52,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:53:52,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:53:52,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:53:52,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:53:52,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:53:52,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:53:52,307 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:53:52,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:53:52,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:53:52,308 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:53:52,308 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 05:53:52,308 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 05:53:52,308 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 05:53:52,308 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 05:53:52,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 05:53:52,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:53:52,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:53:52,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:53:52,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:53:52,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 05:53:52,311 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 05:53:52,311 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_47ce34e5-d3bf-49d2-b2fd-8329c801021d/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 -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda [2024-12-02 05:53:52,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:53:52,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:53:52,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:53:52,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:53:52,545 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:53:52,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-12-02 05:53:55,342 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/data/60e47de25/d8fa32fbddb64899a8563cfcc378ce54/FLAGaebf329d1 [2024-12-02 05:53:55,579 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:53:55,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-12-02 05:53:55,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/data/60e47de25/d8fa32fbddb64899a8563cfcc378ce54/FLAGaebf329d1 [2024-12-02 05:53:55,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/data/60e47de25/d8fa32fbddb64899a8563cfcc378ce54 [2024-12-02 05:53:55,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:53:55,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:53:55,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:53:55,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:53:55,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:53:55,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:53:55" (1/1) ... [2024-12-02 05:53:55,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1c6625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:55, skipping insertion in model container [2024-12-02 05:53:55,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:53:55" (1/1) ... [2024-12-02 05:53:55,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:53:56,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:53:56,161 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:53:56,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-12-02 05:53:56,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-12-02 05:53:56,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2024-12-02 05:53:56,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2024-12-02 05:53:56,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2024-12-02 05:53:56,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2024-12-02 05:53:56,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2024-12-02 05:53:56,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2024-12-02 05:53:56,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:53:56,234 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:53:56,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56 WrapperNode [2024-12-02 05:53:56,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:53:56,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:53:56,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:53:56,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:53:56,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,270 INFO L138 Inliner]: procedures = 52, calls = 97, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 314 [2024-12-02 05:53:56,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:53:56,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:53:56,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:53:56,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:53:56,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,293 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 05:53:56,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:53:56,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:53:56,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:53:56,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:53:56,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (1/1) ... [2024-12-02 05:53:56,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:53:56,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:56,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:53:56,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 05:53:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:53:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:53:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:53:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:53:56,415 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:53:56,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:53:56,674 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-12-02 05:53:56,674 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:53:56,683 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:53:56,683 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 05:53:56,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:53:56 BoogieIcfgContainer [2024-12-02 05:53:56,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:53:56,684 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 05:53:56,684 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 05:53:56,688 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 05:53:56,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 05:53:56,689 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 05:53:55" (1/3) ... [2024-12-02 05:53:56,690 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14e5f644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 05:53:56, skipping insertion in model container [2024-12-02 05:53:56,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 05:53:56,690 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:56" (2/3) ... [2024-12-02 05:53:56,690 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14e5f644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 05:53:56, skipping insertion in model container [2024-12-02 05:53:56,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 05:53:56,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:53:56" (3/3) ... [2024-12-02 05:53:56,692 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2024-12-02 05:53:56,731 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 05:53:56,731 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 05:53:56,731 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 05:53:56,731 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 05:53:56,731 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 05:53:56,732 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 05:53:56,732 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 05:53:56,732 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 05:53:56,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:53:56,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-12-02 05:53:56,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 05:53:56,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 05:53:56,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:56,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:56,754 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 05:53:56,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:53:56,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-12-02 05:53:56,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 05:53:56,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 05:53:56,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:56,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:56,763 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 05:53:56,763 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 05:53:56,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 05:53:56,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:53:56,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331459963] [2024-12-02 05:53:56,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:56,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:56,835 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:53:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:56,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:53:56,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:56,862 INFO L85 PathProgramCache]: Analyzing trace with hash -457195912, now seen corresponding path program 1 times [2024-12-02 05:53:56,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:53:56,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550993749] [2024-12-02 05:53:56,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:56,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:56,870 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:53:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:56,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:53:56,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash -413472716, now seen corresponding path program 1 times [2024-12-02 05:53:56,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:53:56,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376336848] [2024-12-02 05:53:56,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:57,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 05:53:57,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376336848] [2024-12-02 05:53:57,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376336848] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:57,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166269857] [2024-12-02 05:53:57,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:57,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:57,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:57,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:57,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:53:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:57,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 05:53:57,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:57,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:57,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166269857] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:53:57,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:53:57,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 05:53:57,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730486056] [2024-12-02 05:53:57,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:53:57,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 05:53:57,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:53:57,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:53:57,315 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:53:57,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:57,417 INFO L93 Difference]: Finished difference Result 245 states and 311 transitions. [2024-12-02 05:53:57,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 245 states and 311 transitions. [2024-12-02 05:53:57,423 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 153 [2024-12-02 05:53:57,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 245 states to 215 states and 281 transitions. [2024-12-02 05:53:57,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2024-12-02 05:53:57,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2024-12-02 05:53:57,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 281 transitions. [2024-12-02 05:53:57,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 05:53:57,433 INFO L218 hiAutomatonCegarLoop]: Abstraction has 215 states and 281 transitions. [2024-12-02 05:53:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 281 transitions. [2024-12-02 05:53:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 135. [2024-12-02 05:53:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.3111111111111111) internal successors, (177), 134 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:53:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 177 transitions. [2024-12-02 05:53:57,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 177 transitions. [2024-12-02 05:53:57,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:53:57,460 INFO L425 stractBuchiCegarLoop]: Abstraction has 135 states and 177 transitions. [2024-12-02 05:53:57,460 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 05:53:57,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 177 transitions. [2024-12-02 05:53:57,462 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2024-12-02 05:53:57,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 05:53:57,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 05:53:57,462 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:57,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:57,462 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 05:53:57,463 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 05:53:57,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:57,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 05:53:57,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:53:57,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353918486] [2024-12-02 05:53:57,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:57,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:57,473 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:53:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:57,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:53:57,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:57,482 INFO L85 PathProgramCache]: Analyzing trace with hash 125572444, now seen corresponding path program 1 times [2024-12-02 05:53:57,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:53:57,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521399196] [2024-12-02 05:53:57,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:57,487 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:53:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:57,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:53:57,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:57,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1308213792, now seen corresponding path program 1 times [2024-12-02 05:53:57,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:53:57,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965000409] [2024-12-02 05:53:57,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:57,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:57,503 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:53:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:57,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:53:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:58,317 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:53:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:58,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 05:53:58 BoogieIcfgContainer [2024-12-02 05:53:58,363 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 05:53:58,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:53:58,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:53:58,364 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:53:58,364 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:53:56" (3/4) ... [2024-12-02 05:53:58,366 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 05:53:58,413 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 05:53:58,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:53:58,413 INFO L158 Benchmark]: Toolchain (without parser) took 2507.81ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 112.2MB in the end (delta: 7.2MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2024-12-02 05:53:58,414 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:53:58,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.66ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 101.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:53:58,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.87ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:53:58,415 INFO L158 Benchmark]: Boogie Preprocessor took 33.33ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:53:58,415 INFO L158 Benchmark]: RCFGBuilder took 378.37ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 79.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:53:58,415 INFO L158 Benchmark]: BuchiAutomizer took 1679.32ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 39.8MB in the end (delta: 39.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-12-02 05:53:58,415 INFO L158 Benchmark]: Witness Printer took 49.14ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 112.2MB in the end (delta: -72.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:53:58,417 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 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.66ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 101.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.87ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.33ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 378.37ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 79.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1679.32ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 39.8MB in the end (delta: 39.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Witness Printer took 49.14ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 112.2MB in the end (delta: -72.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 80 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 212 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 701 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 585 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 116 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 114]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 114]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 05:53:58,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:53:58,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce34e5-d3bf-49d2-b2fd-8329c801021d/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)