./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl --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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:21:32,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:32,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:21:32,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:32,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:32,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:32,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:32,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:32,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:32,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:32,759 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:32,760 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:21:32,760 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:21:32,761 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:21:32,762 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:21:32,762 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:21:32,763 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:21:32,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:32,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:21:32,765 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:21:32,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:21:32,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:21:32,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:32,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:21:32,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:21:32,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:21:32,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:21:32,769 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:21:32,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:32,770 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:21:32,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:32,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:32,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:32,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:32,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:21:32,773 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:21:32,774 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_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2023-11-12 02:21:33,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:33,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:33,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:33,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:33,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:33,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2023-11-12 02:21:36,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:21:36,476 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:21:36,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2023-11-12 02:21:36,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/data/3be2093a8/b2c74887a3594353a930afef578d2921/FLAGf14427f7f [2023-11-12 02:21:36,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/data/3be2093a8/b2c74887a3594353a930afef578d2921 [2023-11-12 02:21:36,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:21:36,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:21:36,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:36,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:21:36,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:21:36,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:36" (1/1) ... [2023-11-12 02:21:36,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b80841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:36, skipping insertion in model container [2023-11-12 02:21:36,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:36" (1/1) ... [2023-11-12 02:21:36,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:36,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:37,010 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:37,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-12 02:21:37,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-11-12 02:21:37,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2023-11-12 02:21:37,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] [2023-11-12 02:21:37,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] [2023-11-12 02:21:37,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] [2023-11-12 02:21:37,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] [2023-11-12 02:21:37,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] [2023-11-12 02:21:37,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:37,148 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:37,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37 WrapperNode [2023-11-12 02:21:37,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:37,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:37,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:37,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:37,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,226 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 517 [2023-11-12 02:21:37,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:37,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:21:37,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:21:37,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:21:37,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:21:37,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:21:37,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:21:37,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:21:37,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (1/1) ... [2023-11-12 02:21:37,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:21:37,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:37,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:21:37,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:21:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:21:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:21:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:21:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:21:37,470 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:21:37,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:21:37,982 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:21:37,996 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:21:37,997 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:21:37,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:37 BoogieIcfgContainer [2023-11-12 02:21:38,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:21:38,001 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:21:38,001 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:21:38,005 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:21:38,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:21:38,006 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:21:36" (1/3) ... [2023-11-12 02:21:38,007 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30498886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:21:38, skipping insertion in model container [2023-11-12 02:21:38,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:21:38,007 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:37" (2/3) ... [2023-11-12 02:21:38,007 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30498886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:21:38, skipping insertion in model container [2023-11-12 02:21:38,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:21:38,008 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:37" (3/3) ... [2023-11-12 02:21:38,009 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2023-11-12 02:21:38,079 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:21:38,079 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:21:38,079 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:21:38,080 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:21:38,081 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:21:38,081 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:21:38,081 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:21:38,081 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:21:38,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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) [2023-11-12 02:21:38,144 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2023-11-12 02:21:38,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:21:38,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:21:38,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:38,152 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:38,152 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:21:38,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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) [2023-11-12 02:21:38,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2023-11-12 02:21:38,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:21:38,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:21:38,169 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:38,169 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:38,174 INFO L748 eck$LassoCheckResult]: Stem: 38#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 131#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 107#valid_product_returnLabel#1true main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 124#L963true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 87#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2#L592-2true [2023-11-12 02:21:38,175 INFO L750 eck$LassoCheckResult]: Loop: 2#L592-2true assume !false; 98#L593true assume test_~splverifierCounter~0#1 < 4; 122#L594true havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 18#L602true assume !(0 != test_~tmp~4#1); 62#L602-2true havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 7#L612true assume !(0 != test_~tmp___0~1#1); 156#L612-2true havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 118#L622true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 63#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 56#L630-2true assume { :begin_inline_timeShift } true; 137#L661true assume !(0 != ~pumpRunning~0); 37#L661-2true assume !(0 != ~systemActive~0); 145#L668-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 82#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 29#L560true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 129#L560-1true havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 2#L592-2true [2023-11-12 02:21:38,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:38,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:21:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:38,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717862019] [2023-11-12 02:21:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:38,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:21:38,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:38,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1850088515, now seen corresponding path program 1 times [2023-11-12 02:21:38,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:38,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363294505] [2023-11-12 02:21:38,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:38,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:38,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:38,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363294505] [2023-11-12 02:21:38,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363294505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:38,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:38,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:21:38,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625322748] [2023-11-12 02:21:38,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:38,460 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:21:38,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:38,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:38,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:38,491 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-12 02:21:38,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:38,594 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2023-11-12 02:21:38,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 381 transitions. [2023-11-12 02:21:38,604 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2023-11-12 02:21:38,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 275 states and 360 transitions. [2023-11-12 02:21:38,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2023-11-12 02:21:38,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2023-11-12 02:21:38,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 360 transitions. [2023-11-12 02:21:38,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:38,620 INFO L218 hiAutomatonCegarLoop]: Abstraction has 275 states and 360 transitions. [2023-11-12 02:21:38,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 360 transitions. [2023-11-12 02:21:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272. [2023-11-12 02:21:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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) [2023-11-12 02:21:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 356 transitions. [2023-11-12 02:21:38,712 INFO L240 hiAutomatonCegarLoop]: Abstraction has 272 states and 356 transitions. [2023-11-12 02:21:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:38,722 INFO L428 stractBuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2023-11-12 02:21:38,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:21:38,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states and 356 transitions. [2023-11-12 02:21:38,729 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2023-11-12 02:21:38,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:21:38,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:21:38,730 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:38,731 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] [2023-11-12 02:21:38,731 INFO L748 eck$LassoCheckResult]: Stem: 524#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 525#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 518#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 519#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 595#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 596#L963 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 575#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 576#L592-2 [2023-11-12 02:21:38,731 INFO L750 eck$LassoCheckResult]: Loop: 576#L592-2 assume !false; 589#L593 assume test_~splverifierCounter~0#1 < 4; 590#L594 havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 487#L602 assume !(0 != test_~tmp~4#1); 489#L602-2 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 468#L612 assume !(0 != test_~tmp___0~1#1); 470#L612-2 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 603#L622 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 593#L630 assume !(0 != test_~tmp___1~0#1); 546#L630-2 assume { :begin_inline_timeShift } true; 547#L661 assume !(0 != ~pumpRunning~0); 522#L661-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 523#L719 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 556#L693-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 464#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 465#L693-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 476#L719-1 havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 549#L668-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 573#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 509#L560 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 502#L560-1 havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 608#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 576#L592-2 [2023-11-12 02:21:38,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:21:38,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:38,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032595575] [2023-11-12 02:21:38,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:21:38,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:38,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1305332318, now seen corresponding path program 1 times [2023-11-12 02:21:38,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:38,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911335007] [2023-11-12 02:21:38,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:38,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:21:38,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:38,873 INFO L85 PathProgramCache]: Analyzing trace with hash -188489626, now seen corresponding path program 1 times [2023-11-12 02:21:38,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:38,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988773419] [2023-11-12 02:21:38,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:38,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:38,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:21:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:40,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:40,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:21:40 BoogieIcfgContainer [2023-11-12 02:21:40,249 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:21:40,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:21:40,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:21:40,251 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:21:40,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:37" (3/4) ... [2023-11-12 02:21:40,253 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:21:40,349 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:21:40,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:21:40,350 INFO L158 Benchmark]: Toolchain (without parser) took 3823.60ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 77.0MB in the end (delta: 62.1MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2023-11-12 02:21:40,351 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:21:40,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.03ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 119.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:21:40,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.93ms. Allocated memory is still 172.0MB. Free memory was 119.4MB in the beginning and 116.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:21:40,353 INFO L158 Benchmark]: Boogie Preprocessor took 49.91ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:21:40,354 INFO L158 Benchmark]: RCFGBuilder took 721.09ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 91.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 02:21:40,358 INFO L158 Benchmark]: BuchiAutomizer took 2248.56ms. Allocated memory is still 172.0MB. Free memory was 91.4MB in the beginning and 79.1MB in the end (delta: 12.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-12 02:21:40,359 INFO L158 Benchmark]: Witness Printer took 99.06ms. Allocated memory is still 172.0MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:21:40,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.03ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 119.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.93ms. Allocated memory is still 172.0MB. Free memory was 119.4MB in the beginning and 116.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.91ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.09ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 91.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2248.56ms. Allocated memory is still 172.0MB. Free memory was 91.4MB in the beginning and 79.1MB in the end (delta: 12.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 99.06ms. Allocated memory is still 172.0MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] - GenericResultAtLocation [Line: 871]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 272 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 203 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 592]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 592]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:21:40,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d8f53-4d0f-429a-b1aa-6ac7f64826af/bin/uautomizer-verify-uTZkv6EMXl/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)