./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a980eb28c166cc2413133a58258bd0330d7e4ef715989f4b0f1fe0e46631b0a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:23:01,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:23:01,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 18:23:01,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:23:01,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:23:01,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:23:01,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:23:01,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:23:01,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:23:01,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:23:01,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:23:01,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:23:01,985 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:23:01,989 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 18:23:01,989 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 18:23:01,990 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 18:23:01,990 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 18:23:01,990 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 18:23:01,991 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 18:23:01,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:23:01,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 18:23:01,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:23:01,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:23:01,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:23:01,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:23:01,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 18:23:01,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 18:23:01,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 18:23:01,997 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:23:01,997 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:23:01,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:23:01,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:23:01,998 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 18:23:01,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:23:01,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:23:01,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:23:01,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:23:02,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:23:02,002 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 18:23:02,002 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a980eb28c166cc2413133a58258bd0330d7e4ef715989f4b0f1fe0e46631b0a [2024-11-08 18:23:02,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:23:02,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:23:02,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:23:02,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:23:02,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:23:02,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c Unable to find full path for "g++" [2024-11-08 18:23:04,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:23:05,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:23:05,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2024-11-08 18:23:05,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/data/c91d08ac5/da648c74172d4ae6840d16342f64e176/FLAG9cfca610c [2024-11-08 18:23:05,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/data/c91d08ac5/da648c74172d4ae6840d16342f64e176 [2024-11-08 18:23:05,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:23:05,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:23:05,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:23:05,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:23:05,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:23:05,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:23:05" (1/1) ... [2024-11-08 18:23:05,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a0c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:05, skipping insertion in model container [2024-11-08 18:23:05,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:23:05" (1/1) ... [2024-11-08 18:23:05,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:23:06,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:23:06,081 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:23:06,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-08 18:23:06,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-11-08 18:23:06,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [247] [2024-11-08 18:23:06,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [613] [2024-11-08 18:23:06,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [778] [2024-11-08 18:23:06,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [845] [2024-11-08 18:23:06,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [880] [2024-11-08 18:23:06,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [915] [2024-11-08 18:23:06,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:23:06,332 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:23:06,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06 WrapperNode [2024-11-08 18:23:06,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:23:06,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:23:06,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:23:06,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:23:06,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,428 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 54, statements flattened = 361 [2024-11-08 18:23:06,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:23:06,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:23:06,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:23:06,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:23:06,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,487 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:23:06,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:23:06,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:23:06,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:23:06,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:23:06,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (1/1) ... [2024-11-08 18:23:06,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:23:06,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:23:06,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:23:06,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 18:23:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:23:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:23:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:23:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:23:06,743 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:23:06,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:23:07,202 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-08 18:23:07,203 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:23:07,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:23:07,234 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:23:07,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:07 BoogieIcfgContainer [2024-11-08 18:23:07,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:23:07,236 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 18:23:07,236 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 18:23:07,240 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 18:23:07,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:23:07,241 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:23:05" (1/3) ... [2024-11-08 18:23:07,243 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d42e44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:23:07, skipping insertion in model container [2024-11-08 18:23:07,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:23:07,243 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:06" (2/3) ... [2024-11-08 18:23:07,244 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d42e44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:23:07, skipping insertion in model container [2024-11-08 18:23:07,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:23:07,244 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:07" (3/3) ... [2024-11-08 18:23:07,246 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product18.cil.c [2024-11-08 18:23:07,319 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 18:23:07,319 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 18:23:07,319 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 18:23:07,320 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 18:23:07,320 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 18:23:07,320 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 18:23:07,320 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 18:23:07,321 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 18:23:07,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:23:07,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-08 18:23:07,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:23:07,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:23:07,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:23:07,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:23:07,378 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 18:23:07,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:23:07,387 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-08 18:23:07,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:23:07,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:23:07,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:23:07,389 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:23:07,396 INFO L745 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#L-1true 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; 18#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 77#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 49#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 67#setup_returnLabel#1true 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~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 39#L789-2true [2024-11-08 18:23:07,397 INFO L747 eck$LassoCheckResult]: Loop: 39#L789-2true assume !false; 69#L790true assume test_~splverifierCounter~0#1 < 4; 25#L791true havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 106#L799true assume !(0 != test_~tmp~6#1); 27#L799-2true havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 105#L809true assume !(0 != test_~tmp___0~1#1); 82#L809-2true havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 38#L819true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 113#L827true assume 0 != test_~tmp___1~0#1; 94#L827-2true assume { :begin_inline_timeShift } true; 68#L626true assume !(0 != ~pumpRunning~0); 58#L626-2true assume !(0 != ~systemActive~0); 65#L633-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 104#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 71#L891true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 96#L897-1true havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 57#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 39#L789-2true [2024-11-08 18:23:07,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:07,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 18:23:07,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:07,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275116904] [2024-11-08 18:23:07,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:07,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:07,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:07,596 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:23:07,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:07,600 INFO L85 PathProgramCache]: Analyzing trace with hash -625602317, now seen corresponding path program 1 times [2024-11-08 18:23:07,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:07,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851393861] [2024-11-08 18:23:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:07,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:07,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:07,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:23:07,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1557283921, now seen corresponding path program 1 times [2024-11-08 18:23:07,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:07,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243736404] [2024-11-08 18:23:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:07,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:23:07,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:23:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243736404] [2024-11-08 18:23:07,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243736404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:23:07,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:23:07,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:23:07,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802555549] [2024-11-08 18:23:07,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:23:08,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:23:08,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:23:08,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:23:08,191 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:23:08,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:23:08,348 INFO L93 Difference]: Finished difference Result 106 states and 134 transitions. [2024-11-08 18:23:08,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 134 transitions. [2024-11-08 18:23:08,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-08 18:23:08,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 96 states and 124 transitions. [2024-11-08 18:23:08,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2024-11-08 18:23:08,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2024-11-08 18:23:08,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 124 transitions. [2024-11-08 18:23:08,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:23:08,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 96 states and 124 transitions. [2024-11-08 18:23:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 124 transitions. [2024-11-08 18:23:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-08 18:23:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 95 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:23:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2024-11-08 18:23:08,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 96 states and 124 transitions. [2024-11-08 18:23:08,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:23:08,441 INFO L425 stractBuchiCegarLoop]: Abstraction has 96 states and 124 transitions. [2024-11-08 18:23:08,441 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 18:23:08,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 124 transitions. [2024-11-08 18:23:08,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-08 18:23:08,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:23:08,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:23:08,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:23:08,449 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] [2024-11-08 18:23:08,450 INFO L745 eck$LassoCheckResult]: Stem: 298#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 299#L-1 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; 284#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 285#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 278#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 279#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 238#setup_returnLabel#1 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~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 239#L789-2 [2024-11-08 18:23:08,450 INFO L747 eck$LassoCheckResult]: Loop: 239#L789-2 assume !false; 243#L790 assume test_~splverifierCounter~0#1 < 4; 244#L791 havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 300#L799 assume !(0 != test_~tmp~6#1); 302#L799-2 havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 303#L809 assume !(0 != test_~tmp___0~1#1); 292#L809-2 havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 293#L819 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 320#L827 assume 0 != test_~tmp___1~0#1; 310#L827-2 assume { :begin_inline_timeShift } true; 240#L626 assume !(0 != ~pumpRunning~0); 241#L626-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 288#L658 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 258#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 254#L658-1 havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 255#L633-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 329#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 251#L891 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 252#L897-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 313#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 239#L789-2 [2024-11-08 18:23:08,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:08,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 18:23:08,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:08,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227229509] [2024-11-08 18:23:08,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:08,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:08,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:23:08,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:08,483 INFO L85 PathProgramCache]: Analyzing trace with hash -129180743, now seen corresponding path program 1 times [2024-11-08 18:23:08,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:08,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822470304] [2024-11-08 18:23:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:08,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:08,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:08,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:23:08,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:08,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1777178755, now seen corresponding path program 1 times [2024-11-08 18:23:08,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:08,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737113329] [2024-11-08 18:23:08,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:08,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:23:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:23:08,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:23:08,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737113329] [2024-11-08 18:23:08,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737113329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:23:08,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:23:08,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:23:08,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999053313] [2024-11-08 18:23:08,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:23:08,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:23:08,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:23:08,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:23:08,921 INFO L87 Difference]: Start difference. First operand 96 states and 124 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:23:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:23:09,061 INFO L93 Difference]: Finished difference Result 185 states and 237 transitions. [2024-11-08 18:23:09,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 237 transitions. [2024-11-08 18:23:09,068 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2024-11-08 18:23:09,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 185 states and 237 transitions. [2024-11-08 18:23:09,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2024-11-08 18:23:09,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2024-11-08 18:23:09,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 237 transitions. [2024-11-08 18:23:09,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:23:09,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 237 transitions. [2024-11-08 18:23:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 237 transitions. [2024-11-08 18:23:09,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-08 18:23:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 185 states have (on average 1.281081081081081) internal successors, (237), 184 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:23:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 237 transitions. [2024-11-08 18:23:09,094 INFO L240 hiAutomatonCegarLoop]: Abstraction has 185 states and 237 transitions. [2024-11-08 18:23:09,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:23:09,095 INFO L425 stractBuchiCegarLoop]: Abstraction has 185 states and 237 transitions. [2024-11-08 18:23:09,095 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 18:23:09,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185 states and 237 transitions. [2024-11-08 18:23:09,097 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2024-11-08 18:23:09,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:23:09,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:23:09,098 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:23:09,098 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] [2024-11-08 18:23:09,099 INFO L745 eck$LassoCheckResult]: Stem: 594#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 595#L-1 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; 580#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 581#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 574#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 575#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 533#setup_returnLabel#1 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~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 534#L789-2 [2024-11-08 18:23:09,099 INFO L747 eck$LassoCheckResult]: Loop: 534#L789-2 assume !false; 538#L790 assume test_~splverifierCounter~0#1 < 4; 539#L791 havoc test_#t~nondet44#1;test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 596#L799 assume !(0 != test_~tmp~6#1); 626#L799-2 havoc test_#t~nondet45#1;test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 632#L809 assume !(0 != test_~tmp___0~1#1); 587#L809-2 havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 588#L819 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet47#1;test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 618#L827 assume 0 != test_~tmp___1~0#1; 607#L827-2 assume { :begin_inline_timeShift } true; 535#L626 assume !(0 != ~pumpRunning~0); 536#L626-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 585#L658 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 552#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 553#L658-1 havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 671#L633-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 670#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 546#L891 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 547#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 558#L897 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 560#L897-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 610#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 534#L789-2 [2024-11-08 18:23:09,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-08 18:23:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:09,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071501712] [2024-11-08 18:23:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:09,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:09,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:09,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:23:09,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:09,138 INFO L85 PathProgramCache]: Analyzing trace with hash 412549390, now seen corresponding path program 1 times [2024-11-08 18:23:09,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:09,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575192830] [2024-11-08 18:23:09,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:09,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:09,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:09,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:23:09,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:23:09,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1529392082, now seen corresponding path program 1 times [2024-11-08 18:23:09,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:23:09,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408449106] [2024-11-08 18:23:09,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:23:09,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:23:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:09,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:09,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:23:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:10,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:23:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:23:10,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:23:10 BoogieIcfgContainer [2024-11-08 18:23:10,546 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 18:23:10,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:23:10,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:23:10,547 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:23:10,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:07" (3/4) ... [2024-11-08 18:23:10,552 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 18:23:10,631 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:23:10,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:23:10,636 INFO L158 Benchmark]: Toolchain (without parser) took 5164.61ms. Allocated memory was 127.9MB in the beginning and 216.0MB in the end (delta: 88.1MB). Free memory was 84.8MB in the beginning and 130.9MB in the end (delta: -46.1MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 18:23:10,636 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:23:10,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.52ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 84.8MB in the beginning and 140.1MB in the end (delta: -55.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-08 18:23:10,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.04ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 140.6MB in the end (delta: -520.9kB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-08 18:23:10,638 INFO L158 Benchmark]: Boogie Preprocessor took 103.13ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 137.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:23:10,638 INFO L158 Benchmark]: RCFGBuilder took 701.20ms. Allocated memory is still 172.0MB. Free memory was 137.3MB in the beginning and 117.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 18:23:10,643 INFO L158 Benchmark]: BuchiAutomizer took 3309.94ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 116.4MB in the beginning and 133.9MB in the end (delta: -17.5MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-08 18:23:10,643 INFO L158 Benchmark]: Witness Printer took 89.17ms. Allocated memory is still 216.0MB. Free memory was 133.9MB in the beginning and 130.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:23:10,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.52ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 84.8MB in the beginning and 140.1MB in the end (delta: -55.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.04ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 140.6MB in the end (delta: -520.9kB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.13ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 137.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 701.20ms. Allocated memory is still 172.0MB. Free memory was 137.3MB in the beginning and 117.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3309.94ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 116.4MB in the beginning and 133.9MB in the end (delta: -17.5MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Witness Printer took 89.17ms. Allocated memory is still 216.0MB. Free memory was 133.9MB in the beginning and 130.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 247]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [247] - GenericResultAtLocation [Line: 613]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [613] - GenericResultAtLocation [Line: 778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [778] - GenericResultAtLocation [Line: 845]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [845] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [880] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [915] * 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 6 locations. The remainder module has 185 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s 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, 229 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 831 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 587 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 244 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 789]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L417] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L618] int pumpRunning = 0; [L619] int systemActive = 1; 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() [L872] int retValue_acc ; [L875] retValue_acc = 1 [L876] 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() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE 1 [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp___2)) [L825] tmp___1 = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp___1) [L834] CALL timeShift() [L626] COND FALSE !(\read(pumpRunning)) [L633] COND TRUE \read(systemActive) [L635] CALL processEnvironment() [L655] int tmp ; [L658] COND FALSE !(\read(pumpRunning)) [L673] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment() [L641] CALL __utac_acc__Specification3_spec__1() [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L889] CALL, EXPR isMethaneLevelCritical() [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L889] RET, EXPR isMethaneLevelCritical() [L889] tmp = isMethaneLevelCritical() [L891] COND FALSE !(\read(tmp)) [L895] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L895] RET, EXPR getWaterLevel() [L895] tmp___0 = getWaterLevel() [L897] COND FALSE !(tmp___0 == 2) [L641] RET __utac_acc__Specification3_spec__1() [L834] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 789]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L417] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L618] int pumpRunning = 0; [L619] int systemActive = 1; 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() [L872] int retValue_acc ; [L875] retValue_acc = 1 [L876] 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() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE 1 [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp___2)) [L825] tmp___1 = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp___1) [L834] CALL timeShift() [L626] COND FALSE !(\read(pumpRunning)) [L633] COND TRUE \read(systemActive) [L635] CALL processEnvironment() [L655] int tmp ; [L658] COND FALSE !(\read(pumpRunning)) [L673] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment() [L641] CALL __utac_acc__Specification3_spec__1() [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L889] CALL, EXPR isMethaneLevelCritical() [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L889] RET, EXPR isMethaneLevelCritical() [L889] tmp = isMethaneLevelCritical() [L891] COND FALSE !(\read(tmp)) [L895] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L895] RET, EXPR getWaterLevel() [L895] tmp___0 = getWaterLevel() [L897] COND FALSE !(tmp___0 == 2) [L641] RET __utac_acc__Specification3_spec__1() [L834] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 18:23:10,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b6686-165e-4bff-a2d3-39ec84edb82c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)