./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product53.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_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/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_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/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_34d7b625-bd6e-459e-9ebd-f50836213f34/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 55ce316e71b3537e039a3a4d2127e4eace2c49bce87df09105114bd008c08800 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:09:14,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:09:15,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 06:09:15,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:09:15,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:09:15,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:09:15,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:09:15,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:09:15,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:09:15,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:09:15,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:09:15,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:09:15,044 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:09:15,044 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 06:09:15,044 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 06:09:15,044 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 06:09:15,044 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 06:09:15,044 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 06:09:15,044 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 06:09:15,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:09:15,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:09:15,046 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 06:09:15,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:09:15,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:09:15,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:09:15,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:09:15,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:09:15,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 06:09:15,046 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 06:09:15,047 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_34d7b625-bd6e-459e-9ebd-f50836213f34/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 -> 55ce316e71b3537e039a3a4d2127e4eace2c49bce87df09105114bd008c08800 [2024-12-02 06:09:15,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:09:15,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:09:15,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:09:15,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:09:15,310 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:09:15,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2024-12-02 06:09:18,028 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/data/613c25c7e/fc6f631c0cb04f9c9f7504685db4281a/FLAG2a829ed19 [2024-12-02 06:09:18,278 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:09:18,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2024-12-02 06:09:18,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/data/613c25c7e/fc6f631c0cb04f9c9f7504685db4281a/FLAG2a829ed19 [2024-12-02 06:09:18,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/data/613c25c7e/fc6f631c0cb04f9c9f7504685db4281a [2024-12-02 06:09:18,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:09:18,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:09:18,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:09:18,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:09:18,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:09:18,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:18,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9ff951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18, skipping insertion in model container [2024-12-02 06:09:18,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:18,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:09:18,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:09:18,865 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:09:18,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-12-02 06:09:18,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2024-12-02 06:09:18,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2024-12-02 06:09:18,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2024-12-02 06:09:18,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2024-12-02 06:09:18,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [786] [2024-12-02 06:09:18,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [851] [2024-12-02 06:09:18,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [886] [2024-12-02 06:09:18,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:09:18,944 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:09:18,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18 WrapperNode [2024-12-02 06:09:18,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:09:18,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:09:18,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:09:18,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:09:18,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:18,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:18,992 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 140, statements flattened = 949 [2024-12-02 06:09:18,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:09:18,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:09:18,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:09:18,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:09:19,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,017 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 06:09:19,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:09:19,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:09:19,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:09:19,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:09:19,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (1/1) ... [2024-12-02 06:09:19,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:09:19,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:09:19,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:09:19,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 06:09:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:09:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:09:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:09:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:09:19,180 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:09:19,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:09:19,726 INFO L? ?]: Removed 235 outVars from TransFormulas that were not future-live. [2024-12-02 06:09:19,726 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:09:19,741 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:09:19,742 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 06:09:19,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:09:19 BoogieIcfgContainer [2024-12-02 06:09:19,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:09:19,743 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 06:09:19,743 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 06:09:19,747 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 06:09:19,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:09:19,748 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:09:18" (1/3) ... [2024-12-02 06:09:19,749 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11fd96ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:09:19, skipping insertion in model container [2024-12-02 06:09:19,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:09:19,749 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:09:18" (2/3) ... [2024-12-02 06:09:19,750 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11fd96ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:09:19, skipping insertion in model container [2024-12-02 06:09:19,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:09:19,750 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:09:19" (3/3) ... [2024-12-02 06:09:19,751 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product53.cil.c [2024-12-02 06:09:19,798 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 06:09:19,798 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 06:09:19,798 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 06:09:19,798 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 06:09:19,798 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 06:09:19,798 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 06:09:19,798 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 06:09:19,798 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 06:09:19,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 271 states, 270 states have (on average 1.3703703703703705) internal successors, (370), 270 states have internal predecessors, (370), 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 06:09:19,827 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-12-02 06:09:19,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:09:19,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:09:19,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:19,832 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:19,832 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 06:09:19,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 271 states, 270 states have (on average 1.3703703703703705) internal successors, (370), 270 states have internal predecessors, (370), 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 06:09:19,842 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-12-02 06:09:19,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:09:19,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:09:19,843 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:19,843 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:19,848 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 06:09:19,849 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~10#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet45#1;test_~tmp___0~3#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_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~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 06:09:19,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:19,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 06:09:19,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:19,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571913370] [2024-12-02 06:09:19,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:19,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:19,941 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:09:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:19,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:09:19,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:19,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1792926136, now seen corresponding path program 1 times [2024-12-02 06:09:19,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:19,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059413142] [2024-12-02 06:09:19,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:19,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:19,986 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:09:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:19,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:09:19,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:19,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1836649332, now seen corresponding path program 1 times [2024-12-02 06:09:19,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:19,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767908323] [2024-12-02 06:09:19,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:19,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:20,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 06:09:20,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767908323] [2024-12-02 06:09:20,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767908323] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:09:20,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126014747] [2024-12-02 06:09:20,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:20,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:09:20,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:09:20,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:09:20,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:09:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:20,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:09:20,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:09:20,312 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:09:20,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126014747] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:09:20,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:09:20,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 06:09:20,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343769833] [2024-12-02 06:09:20,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:09:20,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 06:09:20,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:09:20,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:09:20,451 INFO L87 Difference]: Start difference. First operand has 271 states, 270 states have (on average 1.3703703703703705) internal successors, (370), 270 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:09:20,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:09:20,538 INFO L93 Difference]: Finished difference Result 265 states and 353 transitions. [2024-12-02 06:09:20,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 353 transitions. [2024-12-02 06:09:20,543 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2024-12-02 06:09:20,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 255 states and 343 transitions. [2024-12-02 06:09:20,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2024-12-02 06:09:20,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2024-12-02 06:09:20,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 343 transitions. [2024-12-02 06:09:20,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 06:09:20,555 INFO L218 hiAutomatonCegarLoop]: Abstraction has 255 states and 343 transitions. [2024-12-02 06:09:20,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 343 transitions. [2024-12-02 06:09:20,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-12-02 06:09:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 255 states have (on average 1.3450980392156864) internal successors, (343), 254 states have internal predecessors, (343), 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 06:09:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 343 transitions. [2024-12-02 06:09:20,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 255 states and 343 transitions. [2024-12-02 06:09:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:09:20,591 INFO L425 stractBuchiCegarLoop]: Abstraction has 255 states and 343 transitions. [2024-12-02 06:09:20,591 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 06:09:20,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 343 transitions. [2024-12-02 06:09:20,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2024-12-02 06:09:20,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:09:20,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:09:20,594 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:20,594 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:20,594 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 06:09:20,595 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~10#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet45#1;test_~tmp___0~3#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret33#1, isMethaneAlarm_~retValue_acc~4#1;havoc isMethaneAlarm_~retValue_acc~4#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "isMethaneAlarm_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~4#1 := isMethaneAlarm_#t~ret33#1;havoc isMethaneAlarm_#t~ret33#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1;" "processEnvironment_#t~ret32#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret33#1, isMethaneAlarm_~retValue_acc~4#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~7#1 := processEnvironment_#t~ret32#1;havoc processEnvironment_#t~ret32#1;" "assume 0 != processEnvironment_~tmp~7#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 06:09:20,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:20,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 06:09:20,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:20,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447765492] [2024-12-02 06:09:20,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,604 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:09:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:09:20,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:20,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1554606849, now seen corresponding path program 1 times [2024-12-02 06:09:20,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:20,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166725846] [2024-12-02 06:09:20,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:20,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 06:09:20,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166725846] [2024-12-02 06:09:20,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166725846] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:09:20,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101650824] [2024-12-02 06:09:20,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:20,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:09:20,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:09:20,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:09:20,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:09:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:20,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:09:20,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:09:20,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:09:20,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101650824] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:09:20,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:09:20,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 06:09:20,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90068630] [2024-12-02 06:09:20,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:09:20,699 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 06:09:20,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 06:09:20,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:09:20,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:09:20,699 INFO L87 Difference]: Start difference. First operand 255 states and 343 transitions. cyclomatic complexity: 90 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 06:09:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:09:20,815 INFO L93 Difference]: Finished difference Result 263 states and 334 transitions. [2024-12-02 06:09:20,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 334 transitions. [2024-12-02 06:09:20,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-12-02 06:09:20,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 263 states and 334 transitions. [2024-12-02 06:09:20,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2024-12-02 06:09:20,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2024-12-02 06:09:20,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 334 transitions. [2024-12-02 06:09:20,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 06:09:20,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 334 transitions. [2024-12-02 06:09:20,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 334 transitions. [2024-12-02 06:09:20,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2024-12-02 06:09:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 263 states have (on average 1.2699619771863118) internal successors, (334), 262 states have internal predecessors, (334), 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 06:09:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 334 transitions. [2024-12-02 06:09:20,830 INFO L240 hiAutomatonCegarLoop]: Abstraction has 263 states and 334 transitions. [2024-12-02 06:09:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:09:20,831 INFO L425 stractBuchiCegarLoop]: Abstraction has 263 states and 334 transitions. [2024-12-02 06:09:20,831 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 06:09:20,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 334 transitions. [2024-12-02 06:09:20,833 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-12-02 06:09:20,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:09:20,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:09:20,834 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:20,834 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:09:20,834 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 06:09:20,834 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~10#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet45#1;test_~tmp___0~3#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret31#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret42#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret42#1;havoc isHighWaterLevel_#t~ret42#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret30#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret30#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret31#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 06:09:20,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:20,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-12-02 06:09:20,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:20,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575934800] [2024-12-02 06:09:20,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:20,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,842 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:09:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:09:20,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:20,850 INFO L85 PathProgramCache]: Analyzing trace with hash 301882040, now seen corresponding path program 1 times [2024-12-02 06:09:20,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:20,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194719037] [2024-12-02 06:09:20,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:20,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,857 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:09:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:09:20,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:20,866 INFO L85 PathProgramCache]: Analyzing trace with hash -949099908, now seen corresponding path program 1 times [2024-12-02 06:09:20,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:09:20,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461276837] [2024-12-02 06:09:20,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:20,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,877 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:09:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:20,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:09:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:21,739 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:09:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:09:21,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:09:21 BoogieIcfgContainer [2024-12-02 06:09:21,785 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 06:09:21,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:09:21,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:09:21,786 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:09:21,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:09:19" (3/4) ... [2024-12-02 06:09:21,788 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 06:09:21,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:09:21,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:09:21,827 INFO L158 Benchmark]: Toolchain (without parser) took 3211.81ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 44.7MB in the end (delta: 70.7MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-12-02 06:09:21,827 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:09:21,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.59ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 96.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:09:21,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.83ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:09:21,828 INFO L158 Benchmark]: Boogie Preprocessor took 50.60ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 88.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:09:21,828 INFO L158 Benchmark]: RCFGBuilder took 697.91ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 110.2MB in the end (delta: -21.5MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-12-02 06:09:21,828 INFO L158 Benchmark]: BuchiAutomizer took 2042.93ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 47.3MB in the end (delta: 62.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-12-02 06:09:21,828 INFO L158 Benchmark]: Witness Printer took 39.91ms. Allocated memory is still 142.6MB. Free memory was 47.3MB in the beginning and 44.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:09:21,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.59ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 96.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.83ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.60ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 88.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 697.91ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 110.2MB in the end (delta: -21.5MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2042.93ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 47.3MB in the end (delta: 62.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Witness Printer took 39.91ms. Allocated memory is still 142.6MB. Free memory was 47.3MB in the beginning and 44.7MB in the end (delta: 2.6MB). 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 786]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [786] - GenericResultAtLocation [Line: 851]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [851] - GenericResultAtLocation [Line: 886]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [886] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 263 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 526 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 526 mSDsluCounter, 1416 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 805 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 611 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 799]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L888] int waterLevel = 1; [L889] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L878] int retValue_acc ; [L881] retValue_acc = 1 [L882] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L788] int splverifierCounter ; [L789] int tmp ; [L790] int tmp___0 ; [L791] int tmp___1 ; [L792] int tmp___2 ; [L795] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L799] COND TRUE splverifierCounter < 4 [L805] tmp = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp)) [L815] tmp___0 = __VERIFIER_nondet_int() [L817] COND FALSE !(\read(tmp___0)) [L825] tmp___2 = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp___2) [L840] CALL timeShift() [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L580] CALL processEnvironment() [L652] int tmp ; [L655] COND FALSE !(\read(pumpRunning)) [L670] CALL processEnvironment__wrappee__lowWaterSensor() [L626] int tmp ; [L629] COND FALSE !(\read(pumpRunning)) [L644] CALL processEnvironment__wrappee__highWaterSensor() [L600] int tmp ; [L603] COND TRUE ! pumpRunning [L605] CALL, EXPR isHighWaterLevel() [L749] int retValue_acc ; [L750] int tmp ; [L751] int tmp___0 ; [L755] CALL, EXPR isHighWaterSensorDry() [L968] int retValue_acc ; [L971] COND TRUE waterLevel < 2 [L972] retValue_acc = 1 [L973] return (retValue_acc); [L755] RET, EXPR isHighWaterSensorDry() [L755] tmp = isHighWaterSensorDry() [L757] COND TRUE \read(tmp) [L758] tmp___0 = 0 [L762] retValue_acc = tmp___0 [L763] return (retValue_acc); [L605] RET, EXPR isHighWaterLevel() [L605] tmp = isHighWaterLevel() [L607] COND FALSE !(\read(tmp)) [L613] FCALL processEnvironment__wrappee__base() [L644] RET processEnvironment__wrappee__highWaterSensor() [L670] RET processEnvironment__wrappee__lowWaterSensor() [L580] RET processEnvironment() [L586] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L927] int retValue_acc ; [L930] retValue_acc = methaneLevelCritical [L931] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L586] RET __utac_acc__Specification1_spec__1() [L840] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 799]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L888] int waterLevel = 1; [L889] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L878] int retValue_acc ; [L881] retValue_acc = 1 [L882] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L788] int splverifierCounter ; [L789] int tmp ; [L790] int tmp___0 ; [L791] int tmp___1 ; [L792] int tmp___2 ; [L795] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L799] COND TRUE splverifierCounter < 4 [L805] tmp = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp)) [L815] tmp___0 = __VERIFIER_nondet_int() [L817] COND FALSE !(\read(tmp___0)) [L825] tmp___2 = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp___2) [L840] CALL timeShift() [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L580] CALL processEnvironment() [L652] int tmp ; [L655] COND FALSE !(\read(pumpRunning)) [L670] CALL processEnvironment__wrappee__lowWaterSensor() [L626] int tmp ; [L629] COND FALSE !(\read(pumpRunning)) [L644] CALL processEnvironment__wrappee__highWaterSensor() [L600] int tmp ; [L603] COND TRUE ! pumpRunning [L605] CALL, EXPR isHighWaterLevel() [L749] int retValue_acc ; [L750] int tmp ; [L751] int tmp___0 ; [L755] CALL, EXPR isHighWaterSensorDry() [L968] int retValue_acc ; [L971] COND TRUE waterLevel < 2 [L972] retValue_acc = 1 [L973] return (retValue_acc); [L755] RET, EXPR isHighWaterSensorDry() [L755] tmp = isHighWaterSensorDry() [L757] COND TRUE \read(tmp) [L758] tmp___0 = 0 [L762] retValue_acc = tmp___0 [L763] return (retValue_acc); [L605] RET, EXPR isHighWaterLevel() [L605] tmp = isHighWaterLevel() [L607] COND FALSE !(\read(tmp)) [L613] FCALL processEnvironment__wrappee__base() [L644] RET processEnvironment__wrappee__highWaterSensor() [L670] RET processEnvironment__wrappee__lowWaterSensor() [L580] RET processEnvironment() [L586] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L927] int retValue_acc ; [L930] retValue_acc = methaneLevelCritical [L931] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L586] RET __utac_acc__Specification1_spec__1() [L840] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 06:09:21,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:09:22,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:09:22,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d7b625-bd6e-459e-9ebd-f50836213f34/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)