./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/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_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:14:19,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:14:19,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:14:19,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:14:19,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:14:19,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:14:19,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:14:19,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:14:19,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:14:19,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:14:19,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:14:19,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:14:19,901 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:14:19,902 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:14:19,902 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:14:19,902 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:14:19,902 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:14:19,902 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:14:19,902 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:14:19,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:14:19,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:14:19,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:14:19,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:14:19,904 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:14:19,904 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:14:19,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:14:19,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:14:19,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:14:19,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:14:19,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:14:19,906 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:14:19,906 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_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda [2024-11-24 01:14:20,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:14:20,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:14:20,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:14:20,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:14:20,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:14:20,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-11-24 01:14:23,972 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/data/0e4f062be/39c2bfb5e69e4af68760df6bb5b3a2c9/FLAG479556a7f [2024-11-24 01:14:24,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:14:24,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-11-24 01:14:24,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/data/0e4f062be/39c2bfb5e69e4af68760df6bb5b3a2c9/FLAG479556a7f [2024-11-24 01:14:24,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/data/0e4f062be/39c2bfb5e69e4af68760df6bb5b3a2c9 [2024-11-24 01:14:24,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:14:24,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:14:24,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:24,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:14:24,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:14:24,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:24,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1953c4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24, skipping insertion in model container [2024-11-24 01:14:24,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:24,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:14:24,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:24,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:14:24,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-24 01:14:24,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-24 01:14:24,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2024-11-24 01:14:24,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2024-11-24 01:14:24,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2024-11-24 01:14:24,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2024-11-24 01:14:24,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2024-11-24 01:14:24,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2024-11-24 01:14:24,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:24,960 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:14:24,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24 WrapperNode [2024-11-24 01:14:24,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:24,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:24,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:14:24,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:14:24,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:24,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,044 INFO L138 Inliner]: procedures = 52, calls = 97, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 314 [2024-11-24 01:14:25,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:25,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:14:25,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:14:25,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:14:25,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,094 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:14:25,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,101 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:14:25,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:14:25,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:14:25,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:14:25,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (1/1) ... [2024-11-24 01:14:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:14:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:25,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:14:25,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:14:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:14:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:14:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:14:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:14:25,300 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:14:25,303 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:14:25,717 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-24 01:14:25,717 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:14:25,740 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:14:25,740 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:14:25,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:25 BoogieIcfgContainer [2024-11-24 01:14:25,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:14:25,742 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:14:25,742 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:14:25,752 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:14:25,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:14:25,754 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:14:24" (1/3) ... [2024-11-24 01:14:25,756 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a364ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:14:25, skipping insertion in model container [2024-11-24 01:14:25,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:14:25,756 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:24" (2/3) ... [2024-11-24 01:14:25,756 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a364ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:14:25, skipping insertion in model container [2024-11-24 01:14:25,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:14:25,756 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:25" (3/3) ... [2024-11-24 01:14:25,758 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2024-11-24 01:14:25,827 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:14:25,827 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:14:25,828 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:14:25,828 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:14:25,828 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:14:25,828 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:14:25,828 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:14:25,828 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:14:25,835 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) [2024-11-24 01:14:25,858 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-24 01:14:25,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:14:25,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:14:25,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:25,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:25,868 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:14:25,869 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) [2024-11-24 01:14:25,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-24 01:14:25,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:14:25,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:14:25,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:25,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:25,884 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;" [2024-11-24 01:14:25,885 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;" [2024-11-24 01:14:25,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:25,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 01:14:25,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:14:25,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716008075] [2024-11-24 01:14:25,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:25,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:26,037 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:26,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:14:26,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash -457195912, now seen corresponding path program 1 times [2024-11-24 01:14:26,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:14:26,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482368613] [2024-11-24 01:14:26,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:26,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:26,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:26,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:14:26,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash -413472716, now seen corresponding path program 1 times [2024-11-24 01:14:26,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:14:26,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209336283] [2024-11-24 01:14:26,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:26,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:26,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:14:26,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209336283] [2024-11-24 01:14:26,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209336283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:14:26,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070599855] [2024-11-24 01:14:26,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:26,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:14:26,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:26,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:14:26,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:14:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:26,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:14:26,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:14:26,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:14:26,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070599855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:14:26,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:14:26,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:14:26,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736964164] [2024-11-24 01:14:26,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:14:26,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:14:26,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:14:26,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:14:26,940 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) [2024-11-24 01:14:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:27,124 INFO L93 Difference]: Finished difference Result 245 states and 311 transitions. [2024-11-24 01:14:27,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 245 states and 311 transitions. [2024-11-24 01:14:27,142 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 153 [2024-11-24 01:14:27,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 245 states to 215 states and 281 transitions. [2024-11-24 01:14:27,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2024-11-24 01:14:27,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2024-11-24 01:14:27,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 281 transitions. [2024-11-24 01:14:27,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:14:27,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 215 states and 281 transitions. [2024-11-24 01:14:27,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 281 transitions. [2024-11-24 01:14:27,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 135. [2024-11-24 01:14:27,194 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) [2024-11-24 01:14:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 177 transitions. [2024-11-24 01:14:27,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 177 transitions. [2024-11-24 01:14:27,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:14:27,204 INFO L425 stractBuchiCegarLoop]: Abstraction has 135 states and 177 transitions. [2024-11-24 01:14:27,204 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:14:27,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 177 transitions. [2024-11-24 01:14:27,211 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2024-11-24 01:14:27,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:14:27,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:14:27,211 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:27,212 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:27,212 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;" [2024-11-24 01:14:27,212 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;" [2024-11-24 01:14:27,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:27,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 01:14:27,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:14:27,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229883943] [2024-11-24 01:14:27,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:27,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:27,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:27,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:14:27,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:27,269 INFO L85 PathProgramCache]: Analyzing trace with hash 125572444, now seen corresponding path program 1 times [2024-11-24 01:14:27,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:14:27,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122950528] [2024-11-24 01:14:27,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:27,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:27,285 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:27,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:14:27,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:27,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1308213792, now seen corresponding path program 1 times [2024-11-24 01:14:27,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:14:27,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88991176] [2024-11-24 01:14:27,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:27,331 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:27,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:14:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:28,667 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:28,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:14:28 BoogieIcfgContainer [2024-11-24 01:14:28,741 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:14:28,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:14:28,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:14:28,742 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:14:28,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:25" (3/4) ... [2024-11-24 01:14:28,746 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:14:28,819 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:14:28,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:14:28,821 INFO L158 Benchmark]: Toolchain (without parser) took 4462.40ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 74.1MB in the end (delta: 8.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-24 01:14:28,823 INFO L158 Benchmark]: CDTParser took 2.21ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:28,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.44ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 64.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:14:28,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.74ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 62.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:28,827 INFO L158 Benchmark]: Boogie Preprocessor took 69.18ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 60.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:28,828 INFO L158 Benchmark]: RCFGBuilder took 625.65ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 43.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:14:28,828 INFO L158 Benchmark]: BuchiAutomizer took 2999.34ms. Allocated memory is still 109.1MB. Free memory was 42.7MB in the beginning and 76.7MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:28,828 INFO L158 Benchmark]: Witness Printer took 78.44ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 74.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:28,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.21ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.44ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 64.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.74ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 62.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.18ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 60.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 625.65ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 43.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2999.34ms. Allocated memory is still 109.1MB. Free memory was 42.7MB in the beginning and 76.7MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.44ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 74.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"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 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 701 SdHoareTripleChecker+Invalid, 0.1s 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! [2024-11-24 01:14:28,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:14:29,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b0bb07-403f-4641-9fd2-ad0b258fd6d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)