./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:04:10,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:04:10,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 12:04:10,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:04:10,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:04:10,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:04:10,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:04:10,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:04:10,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:04:10,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:04:10,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:04:10,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:04:10,761 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:04:10,762 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 12:04:10,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:04:10,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:04:10,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:04:10,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:04:10,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:04:10,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 12:04:10,764 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 12:04:10,764 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_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2024-12-02 12:04:10,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:04:11,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:04:11,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:04:11,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:04:11,006 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:04:11,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2024-12-02 12:04:13,614 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/data/2c39a52f1/402318a18ebf4f87bbf9c8b8896c98b5/FLAG8cc7d4102 [2024-12-02 12:04:13,823 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:04:13,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2024-12-02 12:04:13,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/data/2c39a52f1/402318a18ebf4f87bbf9c8b8896c98b5/FLAG8cc7d4102 [2024-12-02 12:04:14,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/data/2c39a52f1/402318a18ebf4f87bbf9c8b8896c98b5 [2024-12-02 12:04:14,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:04:14,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:04:14,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:04:14,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:04:14,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:04:14,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612b1efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14, skipping insertion in model container [2024-12-02 12:04:14,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:04:14,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:04:14,444 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:04:14,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-12-02 12:04:14,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [153] [2024-12-02 12:04:14,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [276] [2024-12-02 12:04:14,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [343] [2024-12-02 12:04:14,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] [2024-12-02 12:04:14,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [405] [2024-12-02 12:04:14,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [486] [2024-12-02 12:04:14,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [495] [2024-12-02 12:04:14,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:04:14,519 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:04:14,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14 WrapperNode [2024-12-02 12:04:14,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:04:14,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:04:14,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:04:14,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:04:14,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,556 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 36, statements flattened = 229 [2024-12-02 12:04:14,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:04:14,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:04:14,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:04:14,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:04:14,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,565 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,578 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:04:14,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:04:14,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:04:14,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:04:14,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:04:14,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (1/1) ... [2024-12-02 12:04:14,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:04:14,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:04:14,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:04:14,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 12:04:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:04:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:04:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:04:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:04:14,714 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:04:14,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:04:14,909 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-12-02 12:04:14,909 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:04:14,918 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:04:14,919 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 12:04:14,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:04:14 BoogieIcfgContainer [2024-12-02 12:04:14,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:04:14,920 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 12:04:14,920 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 12:04:14,925 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 12:04:14,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 12:04:14,925 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 12:04:14" (1/3) ... [2024-12-02 12:04:14,926 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a17de3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:04:14, skipping insertion in model container [2024-12-02 12:04:14,926 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 12:04:14,927 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:14" (2/3) ... [2024-12-02 12:04:14,927 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a17de3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:04:14, skipping insertion in model container [2024-12-02 12:04:14,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 12:04:14,927 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:04:14" (3/3) ... [2024-12-02 12:04:14,928 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2024-12-02 12:04:14,977 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 12:04:14,978 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 12:04:14,978 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 12:04:14,978 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 12:04:14,978 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 12:04:14,978 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 12:04:14,978 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 12:04:14,978 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 12:04:14,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.368421052631579) internal successors, (104), 76 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:04:15,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2024-12-02 12:04:15,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:04:15,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:04:15,006 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:15,006 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:15,006 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 12:04:15,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.368421052631579) internal successors, (104), 76 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:04:15,010 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2024-12-02 12:04:15,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:04:15,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:04:15,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:15,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:15,015 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 12:04:15,016 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet17#1;test_~tmp___1~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1;" "__utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 12:04:15,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 12:04:15,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:04:15,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281859760] [2024-12-02 12:04:15,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,108 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:04:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:04:15,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash -968942064, now seen corresponding path program 1 times [2024-12-02 12:04:15,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:04:15,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387834597] [2024-12-02 12:04:15,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,148 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:04:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:04:15,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:15,157 INFO L85 PathProgramCache]: Analyzing trace with hash 386477012, now seen corresponding path program 1 times [2024-12-02 12:04:15,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:04:15,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100711831] [2024-12-02 12:04:15,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:15,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 12:04:15,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100711831] [2024-12-02 12:04:15,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100711831] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:04:15,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185612456] [2024-12-02 12:04:15,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:04:15,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:04:15,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:04:15,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:04:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:15,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:04:15,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:04:15,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:04:15,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185612456] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:04:15,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:04:15,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 12:04:15,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019355812] [2024-12-02 12:04:15,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:04:15,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 12:04:15,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:04:15,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:15,631 INFO L87 Difference]: Start difference. First operand has 77 states, 76 states have (on average 1.368421052631579) internal successors, (104), 76 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:04:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:15,696 INFO L93 Difference]: Finished difference Result 71 states and 87 transitions. [2024-12-02 12:04:15,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 87 transitions. [2024-12-02 12:04:15,699 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2024-12-02 12:04:15,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 61 states and 77 transitions. [2024-12-02 12:04:15,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61 [2024-12-02 12:04:15,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2024-12-02 12:04:15,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 77 transitions. [2024-12-02 12:04:15,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 12:04:15,707 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 77 transitions. [2024-12-02 12:04:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 77 transitions. [2024-12-02 12:04:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-12-02 12:04:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 60 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:04:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2024-12-02 12:04:15,728 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 77 transitions. [2024-12-02 12:04:15,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:15,732 INFO L425 stractBuchiCegarLoop]: Abstraction has 61 states and 77 transitions. [2024-12-02 12:04:15,732 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 12:04:15,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 77 transitions. [2024-12-02 12:04:15,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2024-12-02 12:04:15,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:04:15,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:04:15,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:15,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:15,734 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 12:04:15,734 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet17#1;test_~tmp___1~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1;" "__utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 12:04:15,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 12:04:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:04:15,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777147963] [2024-12-02 12:04:15,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:04:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:04:15,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash 655587161, now seen corresponding path program 1 times [2024-12-02 12:04:15,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:04:15,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942655393] [2024-12-02 12:04:15,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,761 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:04:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:04:15,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:15,767 INFO L85 PathProgramCache]: Analyzing trace with hash -276094443, now seen corresponding path program 1 times [2024-12-02 12:04:15,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:04:15,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117343121] [2024-12-02 12:04:15,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,779 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:04:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:15,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:04:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:16,621 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:04:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:16,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 12:04:16 BoogieIcfgContainer [2024-12-02 12:04:16,667 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 12:04:16,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:04:16,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:04:16,668 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:04:16,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:04:14" (3/4) ... [2024-12-02 12:04:16,670 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 12:04:16,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:04:16,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:04:16,701 INFO L158 Benchmark]: Toolchain (without parser) took 2504.70ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 48.8MB in the end (delta: 67.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-12-02 12:04:16,701 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.1MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:04:16,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.62ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 98.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:04:16,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.83ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:04:16,702 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:04:16,703 INFO L158 Benchmark]: RCFGBuilder took 326.15ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 79.6MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:04:16,703 INFO L158 Benchmark]: BuchiAutomizer took 1747.30ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 50.9MB in the end (delta: 28.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-02 12:04:16,703 INFO L158 Benchmark]: Witness Printer took 32.76ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:04:16,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.1MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.62ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 98.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.83ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 326.15ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 79.6MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1747.30ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 50.9MB in the end (delta: 28.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 32.76ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [153] - GenericResultAtLocation [Line: 276]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [276] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [343] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [405] - GenericResultAtLocation [Line: 486]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [486] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [495] * 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 61 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 156 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 157 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 82 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: 289]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___2)) [L323] tmp___1 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___1) [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 289]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___2)) [L323] tmp___1 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___1) [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 12:04:16,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:04:16,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372606a2-18e7-4691-bd61-fedabe5c0a7b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)