./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX --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 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:35:48,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:35:48,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 17:35:48,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:35:48,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:35:48,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:35:48,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:35:48,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:35:48,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:35:48,798 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:35:48,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:35:48,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:35:48,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:35:48,800 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 17:35:48,800 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 17:35:48,801 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 17:35:48,801 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 17:35:48,802 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 17:35:48,802 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 17:35:48,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:35:48,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 17:35:48,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:35:48,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:35:48,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:35:48,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:35:48,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 17:35:48,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 17:35:48,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 17:35:48,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:35:48,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:35:48,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:35:48,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:35:48,814 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 17:35:48,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:35:48,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:35:48,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:35:48,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:35:48,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:35:48,820 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 17:35:48,821 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b [2024-11-08 17:35:49,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:35:49,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:35:49,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:35:49,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:35:49,124 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:35:49,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c Unable to find full path for "g++" [2024-11-08 17:35:51,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:35:51,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:35:51,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2024-11-08 17:35:51,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/data/1f199a580/f98567f8c837492d9788c64a1b4584de/FLAG298910fe1 [2024-11-08 17:35:51,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/data/1f199a580/f98567f8c837492d9788c64a1b4584de [2024-11-08 17:35:51,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:35:51,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:35:51,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:35:51,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:35:51,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:35:51,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:35:51" (1/1) ... [2024-11-08 17:35:51,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7ee7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:51, skipping insertion in model container [2024-11-08 17:35:51,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:35:51" (1/1) ... [2024-11-08 17:35:51,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:35:51,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:35:51,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:35:51,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-08 17:35:51,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-08 17:35:51,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [173] [2024-11-08 17:35:51,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [214] [2024-11-08 17:35:51,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [580] [2024-11-08 17:35:51,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] [2024-11-08 17:35:51,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [798] [2024-11-08 17:35:51,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] [2024-11-08 17:35:52,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:35:52,104 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:35:52,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52 WrapperNode [2024-11-08 17:35:52,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:35:52,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:35:52,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:35:52,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:35:52,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,174 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 44, calls inlined = 37, statements flattened = 245 [2024-11-08 17:35:52,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:35:52,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:35:52,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:35:52,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:35:52,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,211 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:35:52,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:35:52,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:35:52,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:35:52,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:35:52,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (1/1) ... [2024-11-08 17:35:52,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:35:52,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:35:52,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:35:52,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 17:35:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:35:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:35:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:35:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:35:52,375 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:35:52,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:35:52,720 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-08 17:35:52,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:35:52,738 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:35:52,738 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:35:52,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:52 BoogieIcfgContainer [2024-11-08 17:35:52,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:35:52,741 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 17:35:52,741 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 17:35:52,746 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 17:35:52,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:35:52,747 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 05:35:51" (1/3) ... [2024-11-08 17:35:52,749 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67bf4969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:35:52, skipping insertion in model container [2024-11-08 17:35:52,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:35:52,749 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:52" (2/3) ... [2024-11-08 17:35:52,750 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67bf4969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:35:52, skipping insertion in model container [2024-11-08 17:35:52,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:35:52,750 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:52" (3/3) ... [2024-11-08 17:35:52,752 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2024-11-08 17:35:52,821 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 17:35:52,822 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 17:35:52,822 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 17:35:52,822 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 17:35:52,822 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 17:35:52,822 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 17:35:52,823 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 17:35:52,823 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 17:35:52,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:35:52,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2024-11-08 17:35:52,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:35:52,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:35:52,864 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:52,865 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:52,865 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 17:35:52,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:35:52,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2024-11-08 17:35:52,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:35:52,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:35:52,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:52,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:52,886 INFO L745 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 45#select_features_returnLabel#1true 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; 21#valid_product_returnLabel#1true main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 46#L667true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 4#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 42#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 28#L809-2true [2024-11-08 17:35:52,887 INFO L747 eck$LassoCheckResult]: Loop: 28#L809-2true assume !false; 5#L810true assume test_~splverifierCounter~0#1 < 4; 10#L811true havoc test_#t~nondet45#1;test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 57#L819true assume !(0 != test_~tmp~5#1); 43#L819-2true havoc test_#t~nondet46#1;test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 13#L829true assume !(0 != test_~tmp___0~1#1); 31#L829-2true havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 35#L839true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet48#1;test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 49#L847true assume 0 != test_~tmp___1~0#1; 79#L847-2true assume { :begin_inline_timeShift } true; 44#L691true assume !(0 != ~pumpRunning~0); 41#L691-2true assume !(0 != ~systemActive~0); 30#L698-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 67#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 70#L193true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 38#L193-1true havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 28#L809-2true [2024-11-08 17:35:52,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:52,899 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 17:35:52,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:52,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886891976] [2024-11-08 17:35:52,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:52,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:35:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:35:53,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:53,129 INFO L85 PathProgramCache]: Analyzing trace with hash -404648309, now seen corresponding path program 1 times [2024-11-08 17:35:53,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:53,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280977162] [2024-11-08 17:35:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:35:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:35:53,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:53,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1140589886, now seen corresponding path program 1 times [2024-11-08 17:35:53,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:53,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352919025] [2024-11-08 17:35:53,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:53,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:35:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:35:53,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:35:53,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352919025] [2024-11-08 17:35:53,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352919025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:35:53,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:35:53,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:35:53,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228398523] [2024-11-08 17:35:53,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:35:53,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:35:53,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:35:53,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:35:53,741 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 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 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:35:53,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:35:53,867 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2024-11-08 17:35:53,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 96 transitions. [2024-11-08 17:35:53,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-08 17:35:53,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 67 states and 86 transitions. [2024-11-08 17:35:53,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2024-11-08 17:35:53,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2024-11-08 17:35:53,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2024-11-08 17:35:53,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:35:53,883 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-08 17:35:53,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2024-11-08 17:35:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-08 17:35:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 66 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:35:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2024-11-08 17:35:53,917 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-08 17:35:53,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:35:53,925 INFO L425 stractBuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-08 17:35:53,925 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 17:35:53,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 86 transitions. [2024-11-08 17:35:53,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-08 17:35:53,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:35:53,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:35:53,930 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:53,931 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:35:53,931 INFO L745 eck$LassoCheckResult]: Stem: 216#$Ultimate##0 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 208#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 209#select_features_returnLabel#1 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; 205#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 206#L667 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 178#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 179#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 210#L809-2 [2024-11-08 17:35:53,931 INFO L747 eck$LassoCheckResult]: Loop: 210#L809-2 assume !false; 180#L810 assume test_~splverifierCounter~0#1 < 4; 181#L811 havoc test_#t~nondet45#1;test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 190#L819 assume !(0 != test_~tmp~5#1); 231#L819-2 havoc test_#t~nondet46#1;test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 192#L829 assume !(0 != test_~tmp___0~1#1); 194#L829-2 havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 213#L839 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 219#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 235#L847-2 assume { :begin_inline_timeShift } true; 229#L691 assume !(0 != ~pumpRunning~0); 226#L691-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 203#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 204#L698-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 212#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 243#L193 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 184#L193-1 havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 224#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 210#L809-2 [2024-11-08 17:35:53,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:53,932 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 17:35:53,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:53,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578524554] [2024-11-08 17:35:53,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:53,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:35:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:35:53,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:53,954 INFO L85 PathProgramCache]: Analyzing trace with hash 549084014, now seen corresponding path program 1 times [2024-11-08 17:35:53,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:53,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696734584] [2024-11-08 17:35:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:35:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:35:53,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:35:53,969 INFO L85 PathProgramCache]: Analyzing trace with hash -790268393, now seen corresponding path program 1 times [2024-11-08 17:35:53,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:35:53,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511474413] [2024-11-08 17:35:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:35:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:35:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:53,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:35:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:54,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:35:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:55,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:35:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:35:55,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 05:35:55 BoogieIcfgContainer [2024-11-08 17:35:55,355 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 17:35:55,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:35:55,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:35:55,356 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:35:55,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:52" (3/4) ... [2024-11-08 17:35:55,360 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 17:35:55,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:35:55,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:35:55,435 INFO L158 Benchmark]: Toolchain (without parser) took 3974.78ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 91.8MB in the beginning and 122.4MB in the end (delta: -30.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-08 17:35:55,439 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:35:55,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.24ms. Allocated memory is still 134.2MB. Free memory was 91.4MB in the beginning and 70.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:35:55,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.58ms. Allocated memory is still 134.2MB. Free memory was 70.8MB in the beginning and 68.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:35:55,440 INFO L158 Benchmark]: Boogie Preprocessor took 54.62ms. Allocated memory is still 134.2MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:35:55,441 INFO L158 Benchmark]: RCFGBuilder took 508.72ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 66.3MB in the beginning and 141.1MB in the end (delta: -74.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-08 17:35:55,441 INFO L158 Benchmark]: BuchiAutomizer took 2614.05ms. Allocated memory is still 174.1MB. Free memory was 141.1MB in the beginning and 124.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-08 17:35:55,441 INFO L158 Benchmark]: Witness Printer took 79.22ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:35:55,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.24ms. Allocated memory is still 134.2MB. Free memory was 91.4MB in the beginning and 70.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.58ms. Allocated memory is still 134.2MB. Free memory was 70.8MB in the beginning and 68.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.62ms. Allocated memory is still 134.2MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.72ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 66.3MB in the beginning and 141.1MB in the end (delta: -74.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2614.05ms. Allocated memory is still 174.1MB. Free memory was 141.1MB in the beginning and 124.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 79.22ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [173] - GenericResultAtLocation [Line: 214]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [214] - GenericResultAtLocation [Line: 580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [580] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] - GenericResultAtLocation [Line: 798]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [798] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] * 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 6 locations. The remainder module has 67 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 266 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 91 mSDtfsCounter, 20 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: 809]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int methAndRunningLastTime ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L581] int cleanupTimeShifts = 4; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L651] CALL __utac_acc__Specification2_spec__1() [L181] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L651] RET __utac_acc__Specification2_spec__1() [L652] CALL test() [L800] int splverifierCounter ; [L801] int tmp ; [L802] int tmp___0 ; [L803] int tmp___1 ; [L804] int tmp___2 ; [L807] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L809] COND TRUE 1 [L811] COND TRUE splverifierCounter < 4 [L817] tmp = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp)) [L827] tmp___0 = __VERIFIER_nondet_int() [L829] COND FALSE !(\read(tmp___0)) [L837] tmp___2 = __VERIFIER_nondet_int() [L839] COND TRUE \read(tmp___2) [L841] CALL startSystem() [L794] systemActive = 1 [L841] RET startSystem() [L854] CALL timeShift() [L691] COND FALSE !(\read(pumpRunning)) [L698] COND TRUE \read(systemActive) [L700] FCALL processEnvironment() [L706] CALL __utac_acc__Specification2_spec__2() [L186] int tmp ; [L187] int tmp___0 ; [L191] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L191] RET, EXPR isMethaneLevelCritical() [L191] tmp = isMethaneLevelCritical() [L193] COND FALSE !(\read(tmp)) [L209] methAndRunningLastTime = 0 [L706] RET __utac_acc__Specification2_spec__2() [L854] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 809]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int methAndRunningLastTime ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L581] int cleanupTimeShifts = 4; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L651] CALL __utac_acc__Specification2_spec__1() [L181] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L651] RET __utac_acc__Specification2_spec__1() [L652] CALL test() [L800] int splverifierCounter ; [L801] int tmp ; [L802] int tmp___0 ; [L803] int tmp___1 ; [L804] int tmp___2 ; [L807] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L809] COND TRUE 1 [L811] COND TRUE splverifierCounter < 4 [L817] tmp = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp)) [L827] tmp___0 = __VERIFIER_nondet_int() [L829] COND FALSE !(\read(tmp___0)) [L837] tmp___2 = __VERIFIER_nondet_int() [L839] COND TRUE \read(tmp___2) [L841] CALL startSystem() [L794] systemActive = 1 [L841] RET startSystem() [L854] CALL timeShift() [L691] COND FALSE !(\read(pumpRunning)) [L698] COND TRUE \read(systemActive) [L700] FCALL processEnvironment() [L706] CALL __utac_acc__Specification2_spec__2() [L186] int tmp ; [L187] int tmp___0 ; [L191] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L191] RET, EXPR isMethaneLevelCritical() [L191] tmp = isMethaneLevelCritical() [L193] COND FALSE !(\read(tmp)) [L209] methAndRunningLastTime = 0 [L706] RET __utac_acc__Specification2_spec__2() [L854] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 17:35:55,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffeee206-4e96-4f73-a33c-f358ebcddda2/bin/uautomizer-verify-jihMAELWvX/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)